Electronics Instrumentation Engineering Objective Quiz Questions - 1

Question: 1

The generated emf of a dc tachogenerator is

(A) Proportional to square to angular speed

(B) Proportional to square root of angular speed

(C) Inversely proportional to angular speed

(D) Directly proportional to angular speed

Question: 2

Hydrometer is employed for determination of

(A) Fluid level

(B) Relative humidity

(C) Specific gravity of liquids

(D) None of the above

Question: 3

Which of the following transducers measures the pressure by producing emf as a function of its deformation?

(A) Piezoelectric transducer

(B) Inductive transducer

(C) Capacitive transducer

(D) Photoelectric transducer

Question: 4

Which one of the following modulation techniques is the most efficient for pulse telemetry?

(A) PAM

(B) PDM

(C) PPM

(D) PCM

Question: 5

A common element in most of the instrumentation systems for reasons of its compactness and linearity in its characteristics is

(A) Torsion bars

(B) Load cells

(C) Helical spiral springs

(D) Cantilever beams