1000+ Process and Control Instrumentation Objective Questions & Answers - 3

Question: 11

Which of the following is the most accurate instrument?

(A) optical projector

(B) vernier caliper

(C) micrometer screw gauge

(D) steel scale

Question: 12

Response due to a sinusonidal input is

(A) an impulse function

(B) sinusoidal

(C) exponentially decreasing

(D) exponentially increasing

Question: 13

Working principle of mercury in glass thermometer is

(A) linear expansion

(B) pressure rise with temperature

(C) volumetric expansion

(D) none of these

Question: 14

Change of angle of refraction with composition comprises the working principle of a

(A) refractometer

(B) spectrometer

(C) polarograph

(D) polarimeter

Question: 15

Process instrumentation diagram provides

(A) schematic layout without specification of the process and plant equipment but together with instrumentation equipment

(B) requisites for process system analysis and equipment specifications

(C) schematic layout of the process and plant equipment with or without technical specifications

(D) process flow diagram