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



Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part2 : 16 to 20

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

16.Overhead telephone wires are made of

aluminium
steel
ACSR conductors
copper

17.In thermocouples which of the following pairs is commonly used ?

Copper-constantan
Aluminium-tin
Silver-German silver
Iron-steel

18.Which of the following affect greatly the resistivity of electrical conductors ?

Composition
Pressure
Size
Temperature

19.Piezoelectric materials serve as a source of _____ .

resonant waves
musical waves
microwaves
ultrasonic waves

20.Non-linear resistors

produce harmonic distortion
follows Ohm's law at low tempera�tures only
result in non-uniform heating
none of the above

More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages

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