Electrical Engineering Questions And Answers :: Electrical Engineering Materials: part2



Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part2 : 11 to 15

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.Thermonic emission occurs in

vacuum tubes
copper conductors
ferrite cores
transistors

12.A good electric contact material should have all of the following properties excePt

high resistivity
high resistance to corrosion
good thermal conductivity
high melting point

13.Solder is an alloy of

copper and aluminium
tin and lead
nickel, copper and zinc
silver, copper and lead

14.______ is an example of piezoelectric material.

Glass
Quartz
Corrundum
Neoprene

15.The number of atoms per unit cell in B.C.C. structure is

1
2
4
8

More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages

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