A. light load or friction
B. lag and creep
C. overload and voltage compensation
D. temperature compensation
E. all of the above
Related Mcqs:
- The household energy meter is_______________?
A. an indicating instrument
B. a recording instrument
C. an integrating instrument
D. none of the above - 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 - 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 - In an energy meter braking torque is produced to________________?
A. safe guard it against creep
B. brake the instrument
C. bring energy meter to stand still
D. maintain steady speed and equal to driving torque - Induction type single phase energy meters measure electric energy in_______________?
A. kW
B. Wh
C. kWh
D. VAR
E. None of the above - An induction meter can handle current up to_____________?
A. 10 A
B. 30 A
C. 60 A
D. 100 A - 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 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 single phase power factor meter the phase difference between the currents in the two pressure coils is___________________?
A. exactly 0°
B. approximately 0°
C. exactly 90°
D. approximately 90° - A Weston frequency meter is_____________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above
