1000+ Engineering Materials Quiz Questions and Answers Pdf - 1

Question: 1

Which of the following is the poorest conductor of electricity?

(A) aluminium

(B) silver

(C) steel

(D) carbon

Question: 2

Which of the following high resistance materials has the highest operating temperature?

(A) eureka

(B) nichrome

(C) manganin

(D) kanthal

Question: 3

Thermocouples are mainly used for the measurement of

(A) coupling co-efficient

(B) eddy currents

(C) temperature

(D) resistance

Question: 4

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

(A) wave length

(B) frequency

(C) speed

(D) intensity

Question: 5

The materials having permanent electric moment are called

(A) semiconducting materials

(B) electrets

(C) dielectrics

(D) antiferro electric materials