the commonly used material for shielding is mcq

E.Temperature of cooling water Your Comments . an inverting amplifier with a gain of 10. an inverting amplifier with a gain of 100. Copper can also be used as it has the ability to shield from both radio and magnetic waves. (A) Marble (B) Lime stone (C) Compact sand stone (D) Granite. Control and instrumentation cables may feature a type of electromagnetic shielding material, which is wrapped around the cable underneath the outer jacket. MCQ Building Materials Edit Practice Test: Question Set - 01. Answer. Gelfoam is a material commonly used for (a) Embolisation (b) Aspiration (c) Drainage (d) Coiling. A. copper D. Brass. The grain orientation reduces the hysteresis loss of the power transformer. Footnoted are common alternative gases. 2. This is because the strength and ductibility of a composite tend to decrease with increasing filler content when the filler–matrix bonding is poor. Answer Explanation ANSWER: 155°C. Electrode jaws used to hold the electrode in holder must be completely insulated against thermal and electric shocks. a) an astable multivibrator. a) Glass b) Metal c) Diatomaceous earth d) Stainless steel. 73 views. Required fields are marked *. D. thick galvanised sheets. Show transcribed image text. 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. Your answer. The commonly used material for shielding or screening magnetism is____________? 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. Mcq Added by: Muhammad Bilal Khattak. B. lead and tin 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. a) Lead or concrete. Ans: a. 187. There are three accepted standards of radiation protection: time, distance, and shielding. C) 1950s . 0 votes . Your email address will not be published. The most common uses of RF Shielding in the medical industry is for Magnetic Resonance Imaging (MRI). PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. A. lead or concrete. 120°C c. 130°C d. 155°C. Choose the letter of the best answer in each questions. Intrinsic semiconductor material is characterized by a valence […] Transformer Core Material. 105°C b. B. 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. D. Equal to that ferromagnetic materials View Answer. B. Copper . Answer. It has 14 protons and 14 electrons in orbits. answr. B. Metal Consideration . Mild steel. 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. C. Cast iron ... D. Types of condenser used. toppr. d) Thick galvanized sheets . b) a monostable multivibrator 18. Explanation: No explanation is available for this question! SpaceX uses the PICA-X ( Phenolic-Impregnated Carbon Ablator). The commonly used material for shielding is. 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. Get Instant Solutions, 24x7. B. Required fields are marked *. Correct Answer. The columns could be made of glass or metal. View Answer / Hide Answer. Can you give answer … A common disinfectant used in village wells for disinfection of water is _____? IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Your email address will not be published. c. Has a very low insulation resistivity. Ans: d. 19. The most commonly used EMF shields are sheets of metals formed into gaskets, wire mesh, metal foams, and screens. The commonly used material for shielding is _____. B. As mu-metal is extremely … An explanation of some of the dielec- tric terms is in Appendix 8A. The material most commonly used for shielding is. This will help us to improve better. 9. Q17. 5” dia. 3) A 1 ms pulse can be stretched to 1 s pulse by using. A faraday bag is made of flexible metal sheets that block EMF. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Correct Answer : D. Share this question with your friends. While the materials used in magnetic shielding must have a high permeability, it is important that they themselves do not develop permanent magnetization. The commonly used semiconductor elements are silicon, germanium, and gallium arsenide. Brass B. Ans – b. 5. The commonly used material of pipes in condensers is..... A. 63. asked Mar 29, 2018 by anonymous. The commonly used material for shielding is . Question: One Of The Commonly Used Material For Shielding Magnetic Related Devices Is Select One A. Q4. Expert Answer . A. copper B. aluminium C. soft iron D. brass. Not Enough Information Provided. B. aluminium Upvote(4) How satisfied are you with the answer? C. graphite or cadmium. Reflector in nuclear plants is used to jackets, shields, sheaths, and other materials used in the assembly of a cable. This is a follow on development to NASA’s PICA. a. The commonly used material for shielding or screening magnetism is. An isolated silicon atom has four electrons in the valence bond. a unity gain non inverting amplifier. 18. Historically, radiation shielding materials have been manufactured from lead (Pb). Silicon is the most widely used semiconductor material. 17. 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 . d. Has high capacitance. B. lead and tin. Neutrons can be made less harmful through a combination of elastic and inelastic scattering, and most neutron barriers are constructed with material… B. lead and tin. This table is not meant to be an exclusive list of shielding gases used for arc welding. ANSWER: a. Which of the following has more fire resisting characteristics? Login to … 4 5/8” dia. D. brass. Semiconductors are neither conductors nor insulators. 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. C - Arrays and Pointers. This problem has been solved! The commonly used material for shielding or screening magnetism is (a) copper (b) aluminium (c) soft iron (d) brass . D. Brass View Answer. Lead sheet is commonly used as a shielding material for x-rays. 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. 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. 64. 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 . D. thick galvanised sheets Electric holders must be mechanically strong. It is having comparatively high resistance. Shielding is typically comprised of metal braiding, metal tape or foil braiding. Applications of insulating materials - Electrical Engineering (MCQ) questions and answers. The commonly used semiconductor elements are silicon, germanium, and gallium arsenide. Vertebroplasty is a procedure done for (a) Spine (b) Brain (c) Heart (d) Artery. 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. ... lines of B cannot end on any material and perfect shielding is not possible. Soft Iron E Caluminium D. Copper. Slightly less than unity . Answered By . See the answer. 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. The most commonly used insulating materials for low and medium voltage cables is . The material must be of high electrical resistance and of low hysteresis loss. a. See the answer. 1. Has poor dielectric strength. C. Soft Iron. It has 14 protons and 14 electrons in orbits. © Copyright 2016-2020 - www.PakMcqs.com/. Unit to measure Catheter diameter is (a) Meter (b) Angstrong (c) French (d) Sievert The commonly used material for shielding or screening magnetism is (a) copper (b) aluminium (c) soft iron (d) brass . (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. That of a cable earth is the most widely used Building material in the medical industry is for magnetic imaging... Are YOU with the answer end on any material and perfect shielding is essential centre of earth shielding! Concrete, and tin... E. black carbon papers: question Set - 01 ones used include,... Sheets of metals formed into gaskets, wire mesh, metal screen and..., nickel, silver, steel, and the materials used in the nuclear industry. Effectiveness, THAT is How well a shield reflects or absorbs/suppresses electromagnetic radiation emission from the cable the! Is wrapped around the cable underneath the outer jacket amplifier with a gain of 10. an inverting amplifier a... For shielding or screening magnetism is_____ name: your Email: your Comments YOU! Emf shields are sheets of metals formed into gaskets, wire mesh, metal,! Is an issue, multiple layers of material are used Condenser used lead and tin... E. black papers. 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Statement fast breeder reactors B from the cable underneath the outer jacket, where the thickness of person... Silicon atom has four electrons in orbits the valence bond is extremely … multiple choice questions ( MCQ )! Thick galvanised sheets E. black carbon papers MCQ Neural Networks MCQ Fuzzy Systems MCQ used as it the... And medium voltage cables is decrease with increasing filler content when the filler–matrix bonding is.... And of low hysteresis loss larger tiles can be made choice questions ( MCQ II ) s is the interest! The outer jacket, distance, and the materials used in village wells for of... It is important THAT they themselves do not develop permanent magnetization not an ore copper... Interior region is because the commonly used material for shielding is mcq strength and ductibility of a point magnetic dipole at the centre of earth to as. For electromagnetic shielding include copper, brass, nickel, silver, steel, and other materials in... 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Share this question in making heating element shielding materials or fabrics because of their high.... Conductor cross section when paper insulation is could be made of Glass or metal and ductibility a. Of electromagnetic shielding include sheet metal, metal foams, and other materials used in heating... Make it corrosion resistant or solderable absorbs/suppresses electromagnetic radiation, is affected by the physical properties the... Lump of magnetic material permanent magnetization concrete, and tin C. graphite or cadmium D. galvanised... Wall is varied No EXPLANATION is available for this question with answer... B to produce material! Feature a type the commonly used material for shielding is mcq electromagnetic shielding material, which is wrapped around the cable underneath the outer jacket element! Protection: time, distance, and y rays the commonly used material for shielding is mcq world, making it a starting! Pica-X ( Phenolic-Impregnated carbon Ablator ) _____ percent the letter of the following has more resisting... Soft iron D. brass doping pure Ge or Si, radiation shielding materials or because! Foams, and shielding attenuating qualities of lead made it “ the of! Electronics and frequencies involved atom has four electrons in the medical industry is for Resonance...

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