Q. 1Arrange following alloys in decreasing order of their resistivity. A. Constantan- German silver- monel metal B. German silver- constantan- monel metal C. German silver- monel metal- constantan D. constantan- monel metal- German silver Ans.: A Read More …
Month: February 2019
Basic Electrical Engineering MCQ_45 (Engineering Materials)
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Basic Electrical Engineering MCQ_44 (Engineering Materials)
Q.1 The thermionic emission is due to which of the following? A. high temperature B. electromagnetic field C. electrostatic field D. all of the above Ans.: A Q. 2 The electric breakdown strength is affected by Read More …
Basic Electrical Engineering MCQ_43(Engineering Materials)
Q. 1 Dielectric constant for vacuum is___. A. 100 B. 1 C. zero D. infinite Ans.: B Q. 2 Which of the following insulating material used in spark plugs? A. Mica B. Polysterene Read More …
Basic Electrical Engineering MCQ_42 (Engineering Materials)
Q. 1Which type of copper has good conductivity? A. Hard drawn copper B. pure annealed copper C. copper containing traces of silicon D. Induction hardened copper Ans.: B Q. 2 ___ is known as aluminium ore. Read More …
Basic Electrical Engineering MCQ_48 (Electromagnetism)
Q. 1 In the corkscrew rule, advancement of the screw is indicated by____. A. direction of magnetic field B. direction of current C. direction of force D. direction of induced emf Ans.: B Q. 2 _____ Read More …
Basic Electrical Engineering MCQ_47 (Electromagnetism)
Q. 1 The relationship between the magnetism and electric current was first discovered by____. A. Faraday’s B. Oersted C. Ohms D. All of the above Ans.: B Q. 2 A conductor carrying a current Read More …
Basic Electrical Engineering MCQ_41 (Engineering Materials)
Q. 1 Hard ferrites used in A. Generators, Relays, Motors B. Electronics applications C. Holding devices such as seals, latches D. All of the above Ans.: D Q. 2 Supper-paramagnetic materials, made from powdered iron or Read More …
Basic Electrical Engineering MCQ_40 (Engineering Materials)
Q. 1 The properties of soft ferromagnetic materials may be greatly enhanced through _________so as to achieve a high degree of crystal purity. A. Careful manufacturing B. by heating C. slow annealing D. all of the Read More …
Basic Electrical Engineering MCQ_39 (Engineering Materials)
Q. 1 The ___ which repelled by a magnet. A. ferrites B. diamagnetic C. ferromagnetic D. paramagnetic Ans.: B Q. 2 _______ are an examples of a diamagnetic material. A. zinc, mercury B. lead, Read More …