1000+ Process Control Instrumentation MCQ Questions and Answers - 1

Question: 1

Which is the strongest paramagnetic gas?

(A) NO₂

(B) NO

(C) O₂

(D) CO₂

Question: 2

Polarisation of light forms the working principle of a

(A) chromatograph

(B) spectrometer

(C) polarograph

(D) polarimeter

Question: 3

The fluid used in hydraulic controller is

(A) air

(B) oil

(C) water

(D) steam

Question: 4

Thermistors which have a very high temperature coefficient of resistivity belong to the class of solid called

(A) conductors

(B) semiconductors

(C) dielectrics

(D) insulators

Question: 5

Load cells are used for the measurement of

(A) velocity

(B) strain

(C) stress

(D) weight