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
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