Electrical Engineering Questions And Answers :: Electrical Engineering Materials: part3



Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part3 : 1 to 5

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

1.________ has the best damping properties.

Diamond
High speed steel
Mild steel
Cast iron

2.Due to which of the following reasons copper and aluminium are not used for heating elements ?

Both have great tendency for oxidation
Both have low melting point
Very large length of wires will be required
All of the above

3.Carbon resistors are used extensively because they are

easy to make
compact
inexpensive
all of the above reasons

4.Which of the following materials is the best conductor of electricity ?

Tungsten
Aluminium
Copper
Carbon

5.The photo-electric effect occurs only when the incident light has more than a certain critical

intensity
speed
frequency
wave length

More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages

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