Top 150+ Solved Measurement and Instrumentation MCQ Questions Answer
Q. The multiplier and the meter coil in a voltmeter are in
a. series
b. parallel
c. series-parallel
d. none of the above
Q. The scale of a rectifier instrument is
a. linear
b. non-linear
c. either (a) or (b)
d. neither (a) nor (b)
Q. For measuring current at high frequency we should use
a. moving iron instrument
b. electrostatic instrument
c. thermocouple instrument
d. none of the above
Q. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
a. almost zero
b. low
c. high
d. none of the above
Q. A dynamometer wattmeter can be used for
a. both D.C. and A.C.
b. D.C. only
c. A.C. only
d. any of the above
Q. An induction wattmeter can be used for
a. both D.C. and A.C.
b. D.C. only
c. A.C. only
d. any of the above
Q. The pressure coil of a wattmeter should be connected on the supply side of the current coilwhen
a. load impedance is high
b. load impedance is low
c. supply voltage is low
d. none of the above
Q. In a low power factor wattmeter the pressure coil is connected
a. to the supply side of the current coil
b. to the load side of the current coil
c. in any of the two meters at connection
d. none of the above
Q. In a low power factor wattmeter the compensating coil is connected
a. in series with current coil
b. in parallel with current coil
c. in series with pressure coil
d. in parallel with pressure coil
Q. In a 3-phase power measurement by two wattmeter method, both the watt meters hadidentical readings. The power factor of the load was
a. unity
b. 0.8 lagging
c. 0.8 leading
d. zero
Q. The adjustment of position of shading bands, in an energy meter is done to provide
a. friction compensation
b. creep compensation
c. braking torque
d. none of the above
Q. An ohmmeter is a
a. moving iron instrument
b. moving coil instrument
c. dynamometer instrument
d. none of the above
Q. When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a lowresistance initially and then slowly came to infinity position. This shows that capacitor is
a. short-circuited
b. all right
c. faulty
d. none