Top 150+ Solved Measurement and Instrumentation MCQ Questions Answer
Q. In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have adifference of
a. 0.1 Hz
b. 0.25 Hz
c. 0.5 Hz
d. 1.5 Hz
Q. In a Weston frequency meter, the magnetic axes of the two fixed coils are
a. parallel
b. perpendicular
c. inclined at 60°
d. inclined at 120°
Q. A Weston frequency meter is
a. moving coil instrument
b. moving iron instrument
c. dynamometer instrument
d. none of the above
Q. A Weston synchronoscope is a
a. moving coil instrument
b. moving iron instrument
c. dynamometer instrument
d. none of the above
Q. In a Weston synchronoscope, the fixed coils are connected across
a. bus-bars
b. incoming alternator
c. a lamp
d. none of the above
Q. In Weston synchronoscope the moving coil is connected across
a. bus-bars
b. incoming alternator
c. fixed coils
d. any of the above
Q. The power factor of a single phase load can be calculated if the instruments available are
a. one voltmeter and one ammeter
b. one voltmeter, one ammetqr and one wattmeter
c. one voltmeter, one ammeter and one energy meter
d. any of the above
Q. The desirable static characteristics of a measuring system are
a. accuracy and reproducibility
b. accuracy, sensitivity and reproducibility
c. drift and dead zone
d. static error
Q. The ratio of maximum displacement deviation to full scale deviation of the instrument iscalled
a. static sensitivity
b. dynamic deviation
c. linearity
d. precision or accuracy
Q. Systematic errors are
a. instrumental errors
b. environmental errors
c. observational errors
d. all of the above
Q. Commonly used standard capacitor is
a. spherical type
b. concentric cylindrical type
c. electrostatic type
d. multilayer parallel plate type
Q. Operating torques in analogue instruments are
a. deflecting and control
b. deflecting and damping
c. deflecting, control and damping
d. vibration and balancing
Q. Commonly used instruments in power system measurement are
a. induction
b. moving coil or iron
c. rectifier
d. electrostatic
Q. Damping of the Ballistic galvanometer is made small to
a. get first deflection large
b. make the system oscillatory
c. make the system critically damped
d. get minimum overshoot