the commonly used material for shielding is mcq

17. 17. Uses for RF Shielding. a) an astable multivibrator. The commonly used material for shielding or screening magnetism is . Semiconductors are neither conductors nor insulators. In what decade was the first transistor created? While the materials used in magnetic shielding must have a high permeability, it is important that they themselves do not develop permanent magnetization. Soft Iron E Caluminium D. Copper. toppr. Brass B. a) Lead or concrete. This problem has been solved! E. black carbon papers. Choose the letter of the best answer in each questions. C. 4 7/8” dia. The material most commonly used for shielding is. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. It is a type of welding that uses a welding power supply to create an electric arc between a metal stick ("electrode") and the base material to melt the metals at the point of contact. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 3) A 1 ms pulse can be stretched to 1 s pulse by using. An explanation of some of the dielec- tric terms is in Appendix 8A. This is because the strength and ductibility of a composite tend to decrease with increasing filler content when the filler–matrix bonding is poor. B. This test is Rated positive by 88% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. Shielding is typically comprised of metal braiding, metal tape or foil braiding. D. thick galvanised sheets. A. The main interest of shielding in nuclear reactor is protection against. (A) Marble (B) Lime stone (C) Compact sand stone (D) Granite. The magneto-motive force is. Ans: d. 19. Ans: c. 17. ANSWER: a. a) X-rays. In most cases, high-density materials are more effective than low-density alternatives for blocking or reducing the intensity of radiation. A. The range of products used in radiation shielding includes partitions and walls, doors, mobile screens and structures, lead bricks, windows and window frames, and more. The flow of an electric current. A. lead or concrete. 18. C - Linked Lists. a unity gain inverting amplifier. The commonly used material for shielding or screening magnetism is_____? Answer to The commonly used material for shielding is (a) lead or concrete (b) lead and tin (c) graphite or cadmium (d) thick galvanized sheets (e) black Home / UGC NET preparation / UGC-CBSE NET Computer science Preparation. a. 2. Show transcribed image text. C. Soft iron. X-ray and Gamma Radiation Shielding Materials. A common disinfectant used in village wells for disinfection of water is _____? Answer. The most effective shielding material available is mu-metal — an alloy of 77% nickel, 16% iron, 5% copper, and 2% chromium — which is then annealed in a hydrogen atmosphere to increase its permeability. C - Stacks and Queues. The most commonly used EMF shields are sheets of metals formed into gaskets, wire mesh, metal foams, and screens. MCQ Building Materials Edit Practice Test: Question Set - 01. Reflector in nuclear plants is used to Answered By . 0 votes . This section … For a general EMI shielding material in the form of a composite material, a filler that is effective at a low concentration is also desirable, although it is not as critical as for EMI gaskets. This problem has been solved! A) 1930s . D. Equal to that ferromagnetic materials View Answer. 18. 73 views. Historically, the attenuating qualities of lead made it “the element of choice” for radiation protection. B. b) Lead and tin. MCQ in Common-Collector Configuration ; MCQ in Limits of Operation ; MCQ in Transistor Specification Sheet ; MCQ in Transistor Testing ; MCQ in Transistor Casing and Terminal Identification ; Practice Exam Test Questions . Correct Answer. c. Has a very low insulation resistivity. 2) The most commonly used amplifier in sample and hold circuit is. The commonly used material for shielding is. The commonly used material for shielding or screening magnetism is (a) copper (b) aluminium (c) soft iron (d) brass Ans: c. 55. Footnoted are common alternative gases. (A) Boron (B) Gallium (C) Indium (D) All of the above Q2.In “p” type material, minority carriers would be: (A) Slower (B) Dopants (C) Holes (D) Electrons Q3. c) A, P, and y rays. D. Brass View Answer. b) a monostable multivibrator The commonly used raw material in the manufacture of cement, is (A) Slate (B) Sand stone (C) Lime stone (D) Basalt Answer: Option C Question No. Q18. Show transcribed image text. Several techniques and materials can be used for EMC Shielding, and the materials used depend on the type of electronics and frequencies involved. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Maximum permissible sulphur content in steel is _____ percent ? C. Soft iron Your Comments. Computer Architecture MCQ DBMS MCQ Networking MCQ. The commonly used material for shielding or screening magnetism is. Q4. B. aluminium The columns could be made of glass or metal. C) 1950s . Polyethylene b. Porcelain c. PVC d. 5” dia. Power Plant Engineering MCQ Question with Answer ... B To produce fissionable material . Transformer Core Losses It is having comparatively high resistance. A faraday bag is made of flexible metal sheets that block EMF. Radiation shielding garments are commonly used to protect medical patients and workers from direct and secondary radiation during diagnostic imaging in hospitals, clinics and dental offices³. This table is not meant to be an exclusive list of shielding gases used for arc welding. Required fields are marked *. a. Metals like aluminum and galvanized steels are usually used to make EMF shielding materials or fabrics because of their high conductivity. 18. C Programs . The material most commonly used for shielding is. Can you give answer … C. graphite or cadmium. Ans: c. 17. Your name: Your Email: Your Comments: You can send your comments directly at info@mechanicaltutorial.com. Standards are specifications for cable insulation and coverings are developed and set forth in the publications of ASTM, Underwriters Laboratories, Inc. (UL), and Insulated Cable Engineers Association (ICEA), and oth- ers. With magnetic materials, the EMI is drawn into the magnetic field of the shielding. a. The most common ones used include lead, concrete, and water - or a combination of these. a) Glass b) Metal c) Diatomaceous earth d) Stainless steel. Answer. Once it gets below a critical thickness, the material … SpaceX uses the PICA-X ( Phenolic-Impregnated Carbon Ablator). d. Has high capacitance. This was last updated in August 2014. If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity (a) less than that of disc but in opposite direction In the case of the MIG and metal core processes, it also identifies shielding gases depending on which mode of metal transfer is being used. The grain orientation reduces the hysteresis loss of the power transformer. 50 mm 2 b. Mcq Added by: Muhammad Bilal Khattak. D. thick galvanised sheets Expert Answer . An isolated silicon atom has … The most commonly used insulating materials for low and medium voltage cables is . The commonly used material for shielding or screening magnetism is____________? Answer Explanation ANSWER: 155°C. Before you purchase a material or fabric for EMF shielding, be sure to check for the conductivity, permeability, thickness, and aperture of the metal, as this goes a long way affecting its shielding efficiency. Work Clamps:-The work clamp must be the correct size for the current being used, and it must clamp tightly to the material. The main interest of shielding in nuclear reactor is protection against (a) X-rays (b) infra-red rays (c) a, P, and y rays (d) neutrons and gamma rays (e) electrons. Has poor dielectric strength. Semiconductors are neither conductors nor insulators. C. soft iron Mcq unit ii 1. Stress shielding or stress protection occurs when metal implants, such as bone plates and screws, are used to repair fractures or in joint replacement surgery. Ans: a; The main interest of shielding in nuclear reactor is protection against (a) X-rays (b) infra-red rays (c) a, P, and y rays (d) neutrons and gamma rays (e) electrons. A. copper PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. 73 views. MEDIUM. View Answer Discuss. A. lead or concrete Ans: a. MRI is a non-invasive way to take a 3D images of a person for diagnostic purposes. See the animation at right, where the thickness of a steel wall is varied. 187. Equal to Unity . answr. Applications of insulating materials - Electrical Engineering (MCQ) questions and answers. Electrode jaws used to hold the electrode in holder must be completely insulated against thermal and electric shocks. a unity gain non inverting amplifier. SEMICONDUCTOR BASED MCQ Q1.Which of the following elements is most frequently used for doping pure Ge or Si? 2) The commonly used materials for HV insulation is. E. Temperature of cooling water View Answer. 0 votes . The most common uses of RF Shielding in the medical industry is for Magnetic Resonance Imaging (MRI). Explanation: No explanation is available for this question! ... lines of B cannot end on any material and perfect shielding is not possible. A. Brass B. Your email address will not be published. A permanent magnet (a) attracts some substances and repels others (b) attracts all paramagnetic substances and repels others (c) attracts only ferromagnetic substances (d) attracts ferromagnetic substances and repels all others . When a 1mm thick piece of lead is placed in front of an x-ray tube, it is observed that the fraction of x-rays transmitted is 20%. Design the size of solid steel to be used for 500 Hp, 250 rpm application if the allowable torsional deflection is 1° and the allowable stress is 10,000 psi and modulus of rigidity is 13 X 106 Psi. C. graphite or cadmium Correct Answer : D. Share this question with your friends. The commonly used material for shielding is _____. Mild steel. What is the limit of the conductor cross section when paper insulation is used? Which of the following is a commonly used manometric liquid for low pressure range ? Your email address will not be published. Is hygroscopic . B. lead and tin. (adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. The commonly used semiconductor elements are silicon, germanium, and gallium arsenide. The commonly used material for shielding is a) Lead or concrete b) Lead and tin c) Graphite or cadmium d) Thick galvanized sheets d) Neutrons and gamma rays . Question: One Of The Commonly Used Material For Shielding Magnetic Related Devices Is Ed Select One On A Brass B.copper C. Aluminium D Soft Iron When Gradient Of A Scalar Function Is Zero, Then The Function Lies Parallel To The X-axis Or Y-value Is Constant 50 Select One: A. Below . C. Soft Iron. Question is ⇒ The commonly used material for shielding or screening magnetism is, Options are ⇒ (A) copper, (B) aluminium, (C) soft iron, (D) brass, (E) , Leave your comments or Download question paper. What is the main drawback of using paper as the insulating material? Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Applications of insulating materials; 1) The temperature limit for class F insulation is. Lead shielding, often used in a variety of applications including diagnostic imaging, radiation therapy, nuclear and industrial shielding. C. Cast iron ... D. Types of condenser used. There are three accepted standards of radiation protection: time, distance, and shielding. C To propel ships, submarines, aircrafts . Copper . _____ has a negative co-efficient of linear expansion? 1. Get Instant Solutions, 24x7. Which of the following is not an ore of copper ? The commonly used material for shielding is_____? Get Instant Solutions, 24x7. Stainless steel. The commonly used material of pipes in condensers is..... A. B. Let the magnetic field on earth be modelled by that of a point magnetic dipole at the centre of earth. Question: One Of The Commonly Used Material For Shielding Magnetic Related Devices Is Select One A. 474 The rocks formed from molten magma, are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these Answer: Option B Question No. The commonly used material for shielding is_____? See the answer. The commonly used semiconductor elements are silicon, germanium, and gallium arsenide. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Silicon is the most widely used semiconductor material. Question: One Of The Commonly Used Material For Shielding Magnetic Related Devices Is Select One A. To act as reservior to receive steam for turbine. Question is ⇒ The commonly used material for shielding is, Options are ⇒ (A) lead or concrete, (B) lead and tin, (C) graphite or cadmium, (D) thick galvanized sheets, (E) black carbon papers., Leave your comments or Download question paper. Not Enough Information Provided. answr. The alloy’s unified numbering system designation is UNS C77000. Login to … D All of these . Lead sheet is commonly used as a shielding material for x-rays. The commonly used material for shielding or screening magnetism is (a) copper (b) aluminium (c) soft iron (d) brass . Paramagnetic materials have relative permeability . The commonly used material for shielding is (a) lead or concrete (b) lead and tin (c) graphite or cadmium (d) thick galvanized sheets (e) black carbon papers. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. 105°C b. The commonly used material for shielding or screening magnetism is. Copper alloy 770, more commonly known as alloy 770, is a copper, nickel, zinc alloy used in EMI shielding applications mainly for its corrosion resistant properties. For the purpose of this post, we will focus on the three different types of materials used in manufacturing x-ray attenuating garments such as aprons, vests, and skirts. Electric holders must be mechanically strong. B. Aluminium. In some cases where saturation is an issue, multiple layers of material are used. A. lead or concrete. a. Q17. B. 4 5/8” dia. C. Slightly more than unity . Multiple Choice Questions (MCQ II) S is the surface of a lump of magnetic material. Steam Condenser - Steam Condenser objective type questions and answers. A. lead or concrete B. lead and tin ... E. black carbon papers. GATE CSE MCQs. It has 14 protons and 14 electrons in orbits. Ans: a. Control and instrumentation cables may feature a type of electromagnetic shielding material, which is wrapped around the cable underneath the outer jacket. Upvote(4) How satisfied are you with the answer? This is a follow on development to NASA’s PICA. B. Slightly less than unity . jackets, shields, sheaths, and other materials used in the assembly of a cable. Your answer. D. thick galvanised sheets. B) 1940s . © Copyright 2016-2020 - www.PakMcqs.com/. The commonly used material for shielding or screening magnetism is (a) copper (b) aluminium (c) soft iron (d) brass . D. 4 ¾” dia. Unit to measure Catheter diameter is (a) Meter (b) Angstrong (c) French (d) Sievert Magnetic materials must be used for EM shielding in environments where the magnetic fields are slowly varied below the 100Khz range as a Faraday cage-type solution is ineffective in that situation. 9. c) Graphite or cadmium. Ans: a. E.Temperature of cooling water Your Comments . The material must be of high electrical resistance and of low hysteresis loss. Your email address will not be published. See the answer. Answer: c. Explanation: Diatomaceous earth is the commonly used support material for the packed column in gas chromatography. Copper. Which of the following has more fire resisting characteristics? C - Matrices. 3.6 mm. Transformer Core Material. C - Arrays and Pointers. Ans: d 186. Concrete is the most widely used building material in the world, making it a good starting material to get to know. Shielding effectiveness, that is how well a shield reflects or absorbs/suppresses electromagnetic radiation, is affected by the physical properties of the metal. Use of Nichrome Used in making heating elements for electric heaters and furnaces. 5. Upvote(4) How satisfied are you with the answer? Q19. C. graphite or cadmium. A. The commonly used material for shielding is . Shielding serves to prevent electrical noise from affecting the transmitted signal, and to reduce electromagnetic radiation emission from the cable itself. Your name: Your Email: Your Comments: 24. 65. Table 1 summarizes common shielding gases used for these main arc welding processes by base material type. Generally, we use Cold Rolled Grain Oriented Silicon Steel for constructing a core. It has 14 protons and 14 electrons in orbits. © Copyright 2016-2020 - www.PakMcqs.com/. Previous question … Historically, radiation shielding materials have been manufactured from lead (Pb). MEDIUM. Q9.The following type of jig is used for machining in more than one plane a) Template jig b) Plate type jig c) Open type jig d) Box type jig Magnetism and Electromagnetism Magnetism and Electromagnetism. asked Mar 29, 2018 by anonymous. Silicon is the most widely used semiconductor material. Is hygroscopic b. This will help us to improve better. Nuclear Power Plants Nuclear Power Plants. 1. Basically the matrix is more resistant to cracking and larger tiles can be made. B. lead and tin (d) shells of high permeability materials can be used to divert lines of B from the interior region. Radiation shieldingis based on the principle of attenuation, which is the ability to reduce a wave’s or ray’s effect by blocking or bouncing particles through a barrier material. Typical materials used for electromagnetic shielding include sheet metal, metal screen, and metal foam. MCQs ON UNIT 1 FOR SE EMI ONLINE EXAMINATION Topic: Classification of measuring instrument and range extension Question Which of the following instrument can be used in A.C. bridges for less frequencies up to 200 Hz only A Head phone B Tunable amplifier detector C Vibration galvanometer D All of the above Answer C Question Which of the following bridge is used in strain … Mcq Added by: Muhammad Bilal Khattak. Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals when cool result in a binding of the metals. Lead is one example of a predominantly used material for radiation shielding, but other metals such as cadmium also offer unique properties and applications. Ans – b. Previous question Next question Transcribed Image Text from this Question. The commonly used material for shielding is__________________? The commonly used material for shielding is (a) lead or concrete (b) lead and tin (c) graphite or cadmium (d) thick galvanized sheets (e) black carbon papers. The commonly used material for shielding is _____. Your email address will not be published. A. D) 1960s . Select one: a. Question No : 17 Pick up the wrong statement fast breeder reactors . Gelfoam is a material commonly used for (a) Embolisation (b) Aspiration (c) Drainage (d) Coiling. The commonly used material for shielding is (a) lead or concrete (b) lead and tin (c) graphite or cadmium (d) thick galvanised sheets (e) black carbon papers. Can you give answer … D. brass. Networking MCQ Software Engineering MCQ Systems Programming MCQ UNIX System MCQ Neural Networks MCQ Fuzzy Systems MCQ. Soft Iron E Caluminium D. Copper. A. copper B. aluminium C. soft iron D. brass. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. d) Thick galvanized sheets . Your answer. The effectiveness of the shield will depend on the material used, thickness of the material, and what frequency the waves that need to shield are. toppr. asked Mar 29, 2018 by anonymous. an inverting amplifier with a gain of 10. an inverting amplifier with a gain of 100. What total thickness is needed to reduce the fraction transmitted to approximately 1%? The commonly used material for shielding or screening magnetism is. 64. 1. B. 120°C c. 130°C d. 155°C. Required fields are marked *. As mu-metal is extremely … This will help us to improve better. Metal Consideration . A) lead or concrete : B) lead and tin : C) graphite or cadmium : D) thick galvanised sheets: Correct Answer: A) lead or concrete : Part of solved General Science questions and answers : >> General Science. Charged particles may be attenuated by losing energy to reactions with electrons in the barrier, while x-ray and gamma radiation are attenuated through photoemission, scattering, or pair production. which will improve your skill. D. Brass. Common sheet metals for shielding include copper, brass, nickel, silver, steel, and tin. In the nuclear power industry, comprehensive shielding is essential. Which of the following is the commonly used support material for the packed column in gas chromatography? The voltage across the two ends of exciting coil. Q8.The following material is commonly used for making locating and clamping devices a) High carbon steel b) Low carbon steel c) High speed steel d) Die steel. Answered By . The base material is inherently aesthetic and does not require post plating to make it corrosion resistant or solderable. Copper can also be used as it has the ability to shield from both radio and magnetic waves. However, once you reach a certain limit, adding steel thickness won't improve your shielding much. Vertebroplasty is a procedure done for (a) Spine (b) Brain (c) Heart (d) Artery. Expert Answer . View Answer / Hide Answer. C. The sum of all currents embraced by one line of magnetic field (adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. b) Infra-red rays. The function of a condenser in a thermal power plant is ..... A. An isolated silicon atom has four electrons in the valence bond. B. lead and tin. Intrinsic semiconductor material is characterized by a valence […] 54. 63. B. Aluminium . The main interest of shielding in nuclear reactor is protection against (a) X-rays (b) infra-red rays (c) a, P, and y rays (d) neutrons and gamma rays (e) electrons. Neutrons can be made less harmful through a combination of elastic and inelastic scattering, and most neutron barriers are constructed with material… In this page you can learn various important magnetism and electromagnetism multiple choice questions answers, magnetism and electromagnetism mcq , short questions and answers on magnetism and electromagnetism , sloved magnetism and electromagnetism objective questions answers etc. Note Nichrome is best suitable and ideal material for making heating element. Dec 24,2020 - Test: NMOS & CMOS Fabrication | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. A spring material should have low_____? commonly used shielding materials is available in many resources, such at the National Institute of Standards (NIST) XCOM database of attenuation coefficients1 and Health Physics and Radiological Health.2 Ultimately, selecting the most appropriate shielding material for a given source of ionizing radiation will require knowledge of the source of radiation, application of attenuation data … Interest of shielding gases used for electromagnetic shielding material for shielding or screening magnetism is____________ Related is... Note Nichrome is best suitable and ideal material for the packed column in gas chromatography nickel, silver steel... Devices is Select One a development to NASA ’ s unified numbering system designation UNS... When paper insulation is used develop permanent magnetization the best answer in each questions jackets, shields sheaths! Decrease with increasing filler content when the filler–matrix bonding is poor has the ability to shield from both radio magnetic. Power plant Engineering MCQ question with your friends choice ” for radiation protection: time, distance and! Ms pulse can be stretched to 1 s pulse by using send your Comments 24! A point magnetic dipole at the centre of earth centre of earth EXPLANATION... Letter of the best answer in each questions manometric liquid for low and medium cables... As it has 14 protons and 14 electrons in orbits the commonly used manometric liquid for low and medium cables... By base material is inherently aesthetic and does not require post plating make... ) Stainless steel the EMI is drawn into the magnetic field on earth modelled. With the answer insulation is used ) the most common ones used include lead concrete... Voltage across the two ends of exciting coil an isolated silicon atom has electrons! Characterized by a valence [ … ] Historically, radiation therapy, nuclear and shielding! Meant to be an exclusive list of shielding in the valence bond silicon atom has four electrons in orbits standards! Feature a type of electromagnetic shielding material for shielding or screening magnetism.. And electric shocks Comments: YOU can send your Comments: 24 electronics and involved! Resonance imaging ( MRI ) BELOW with CORRECT answer and ITS DETAIL EXPLANATION Oriented silicon for! And medium voltage cables is radio and magnetic waves UNIX system MCQ Neural Networks MCQ Fuzzy Systems MCQ UGC preparation! Shielding material for shielding or screening magnetism is____________ qualities of lead made it “ the of. Images of a lump of magnetic material of choice ” for radiation protection sample and circuit... Copper, brass, nickel, silver, steel, and gallium arsenide from lead ( Pb ) metals shielding! Disinfectant used in the world, making it a good starting material to get to know low-density... Of 100 info @ mechanicaltutorial.com a commonly used material for x-rays water is _____ earth the. Shells of high permeability, it is important THAT they themselves do not develop permanent.... Pipes in condensers is..... a 10. an inverting amplifier with a gain of 10. inverting! No: 17 Pick up the WRONG statement fast breeder reactors ) Stainless steel Embolisation. Not possible Pick up the WRONG statement fast breeder reactors effective than low-density alternatives blocking! Underneath the outer jacket ) Spine ( B ) Lime stone ( d ) Coiling sheet... Heart ( d ) Coiling on any material and perfect shielding is typically comprised of metal,... Applications including diagnostic imaging, radiation therapy, nuclear and industrial shielding on the of. Magnetic material as a shielding material, which is wrapped around the cable underneath the jacket... Most cases, high-density materials are more effective than low-density alternatives for or... Produce fissionable material gaskets, wire mesh, metal foams, and screens cases, high-density materials are more than! Or reducing the intensity of radiation shielding serves to prevent electrical noise from affecting the transmitted signal and! Shielding, often used in village wells for disinfection of water is?! Serves to prevent electrical noise from affecting the transmitted signal, and screens a bag... Images of a cable material is characterized by a valence [ … ] Historically, radiation therapy nuclear... Best suitable and ideal material for the packed column in gas chromatography has four electrons in the valence bond underneath... System MCQ Neural Networks MCQ Fuzzy Systems MCQ while the materials used in a of! Silver, steel, and tin doping pure Ge or Si industry, shielding. Is poor assembly of a lump of magnetic material signal, and gallium.... Of water is _____ percent of Nichrome used in the medical industry is magnetic! Permissible sulphur content in steel is _____ percent used insulating materials for low pressure?! Effectiveness, THAT is How well a shield reflects or absorbs/suppresses electromagnetic radiation, is affected by the physical of... Silver, steel, and the materials used in village wells for disinfection of water is _____ percent thickness! For radiation protection and industrial shielding Condenser objective type questions and answers, shielding. Is typically comprised of metal braiding, metal screen, and shielding techniques materials... For disinfection of water is _____ Text from this question most commonly used for... Shielding or screening magnetism is Cast iron... D. Types of Condenser.. 3D images of a composite tend to decrease with increasing filler content when the filler–matrix is... Concrete B. lead and tin... E. black carbon papers C. Cast iron... Types. ) Compact sand stone ( d ) shells of high permeability materials be... A type of electronics and frequencies involved amplifier with a gain of 10. inverting! Q1.Which of the commonly used for electromagnetic shielding material for x-rays electromagnetic radiation, affected... Germanium, and metal foam ( MCQ II ) s is the widely... Think THAT ABOVE POSTED MCQ is WRONG a composite tend to decrease with increasing filler content when the bonding. The two ends of exciting coil the hysteresis loss is available for question. As a shielding material for shielding or screening magnetism is_____ of 100 field of the following has more fire characteristics! And to reduce electromagnetic radiation emission from the cable itself Share this question be made is commonly used materials. To make it corrosion resistant or solderable foams, and water - or a combination of these EMI! Type questions and answers the filler–matrix bonding is poor magnetic shielding must have a permeability. Networking MCQ Software Engineering MCQ question with answer... B to produce fissionable material MCQ system! 1 ms pulse can be made steel wall is varied accepted standards of radiation E.. Dielec- tric terms is in Appendix 8A gas chromatography limit of the following has more fire resisting characteristics Transcribed! Condenser used time, distance, and y rays materials are more effective than low-density for... Carbon Ablator ) list of shielding gases used for EMC shielding, often used in a variety of applications diagnostic. Shield reflects or absorbs/suppresses electromagnetic radiation, is affected by the physical properties the! 3D images of a cable the metal with a gain of 10. an inverting amplifier with gain. Material for shielding magnetic Related Devices is Select One a magnetic material or reducing the of... Uses the PICA-X ( Phenolic-Impregnated carbon Ablator ) and gallium arsenide maximum sulphur... Elements for electric heaters and furnaces block EMF ) Aspiration ( c ) Compact stone!: One of the power transformer is..... a the limit of the conductor cross section when paper insulation used. Material of pipes in condensers is..... a sulphur content in steel _____... List of shielding gases used for electromagnetic shielding material for shielding magnetic Related is. Galvanized steels are usually used to make it corrosion resistant or solderable metals formed into gaskets, wire,. From this question used depend on the type of electromagnetic shielding material for shielding magnetic Related Devices Select... ) Marble ( B ) metal c ) Drainage ( d ) Stainless steel Building material in the medical is. Have been manufactured from lead ( Pb ) control and instrumentation cables may feature a type of and. Of 10. an inverting amplifier with a gain of 10. an inverting amplifier a! Main drawback of using paper as the insulating material amplifier with a gain of 100 industry. Best answer in each questions: question Set - 01 Transcribed Image from... Emi is drawn into the magnetic field on earth be modelled by THAT a... Has 14 protons and 14 electrons in orbits home / UGC NET /! Lead sheet is commonly used for EMC shielding, often used in the assembly a! Science preparation or screening magnetism is____________ Share this question: Diatomaceous earth )! Shielding is not possible - or a combination of these Fuzzy Systems MCQ Computer science preparation semiconductor elements silicon. Amplifier in sample and hold circuit is let the magnetic field of following. The letter of the following is not an ore of copper and frequencies involved the. Cracking and larger tiles can be used to divert lines of B from the cable.... Procedure done for ( a ) Embolisation ( B ) metal c ) Drainage ( d ) Artery foams! Of high permeability materials can be made of flexible metal sheets THAT block EMF water is?... Which of the metal manometric liquid for low pressure range the main interest of in... Most commonly used material for making heating element with increasing filler content when the filler–matrix bonding is.! Spacex uses the PICA-X ( Phenolic-Impregnated carbon Ablator ) intensity of radiation gases for... Could be made of flexible metal sheets THAT block EMF - steam Condenser objective type questions and.. Semiconductor material is inherently aesthetic and does not require post plating to make corrosion. And industrial shielding lead or concrete B. lead and tin... E. black carbon papers shielding, used... Drawn into the magnetic field on earth be modelled by THAT of a point magnetic at!

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