Measurement and Instrumentation Objective Questions and Answers pdf - 2

Question: 6

An induction wattmeter measures

(A) the true power and the reactive power

(B) the apparent power

(C) the reactive power

(D) only the true power

Ans: D

only the true power

Question: 7

Which of the following can be measured by a hot wire anemometer?

(A) pressure of gases

(B) very low pressure

(C) liquid discharges

(D) gas velocities

Ans; D

gas velocities

Question: 8

Rosette gauges are used to

(A) measure strain in more than one direction

(B) compensate from temperature variations

(C) measure variable strain

(D) amplify strain values

Ans: A

measure strain in more than one direction

Question: 9

Electrodynamic types of instruments are used commonly for the measurement of

(A) power

(B) voltage

(C) resistance

(D) current

Ans: A

power

Question: 10

Which of the following are integrating instruments?

(A) ammeters

(B) wattmeters

(C) voltmeters

(D) ampere-hour and watt-hour meters

Ans: D

ampere-hour and watt-hour meters

Related Questions
Read More Engineering Topics