A. 10 A
B. 30 A
C. 60 A
D. 100 A
Related Mcqs:
- Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to_____________?
A. improve its ventilation
B. eliminate creeping at no load
C. increase its deflecting torque
D. increase its braking torque - The multiplier and the meter coil in a voltmeter are in________________?
A. series
B. parallel
C. series-parallel
D. none of the above - A power factor meter has________________?
A. one current circuit and two pressure circuits
B. one current circuit and one pressure circuit
C. two current circuits and one pres¬sure circuit
D. none of the above - In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of_________________?
A. 0.1 Hz
B. 0.25 Hz
C. 0.5 Hz
D. 1.5 Hz - 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° - In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at_____________?
A. 0°
B. 60°
C. 90°
D. 120° - In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of___________?
A. 0.1 Hz
B. 0.25 Hz
C. 0.5 Hz
D. 1.5 Hz - A Weston frequency meter is_____________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above - To measure radio frequency, the suitable frequency meter is_______________?
A. Weston frequency meter
B. reed vibrator frequency meter
C. heterodoxy frequency meter
D. electrical resonance frequency meter - Various adjustments in an energy meter include_______________?
A. light load or friction
B. lag and creep
C. overload and voltage compensation
D. temperature compensation
E. all of the above
