A_PROPERLY_SHUNTED_CENTER_ZERO_GALVANOMETER_IS_CONNECTED_IN_THE_ROTOR_ – McqOptions

MCQOPTIONS

1.	A_PROPERLY_SHUNTED_CENTER_ZERO_GALVANOMETER_IS_CONNECTED_IN_THE_ROTOR_CIRCUIT_OF_A_6-POLE,_50_HZ_WOUND_ROTOR_INDUCTION_MOTOR._IF_THE_MAKES_90_COMPLETE_OSCILLATIONS_IN_ONE_MINUTE,_THE_ROTOR_SPEED_IS?$
A.	1000 rpm
B.	970 rpm
C.	950 rpm
D.	930 rpm
Answer» C. 950 rpm

Discussion

No Comment Found

Related MCQs

The rotor winding for 3-phase slip ring induction motor having delta connected stator must be connected in _________
In a three phase slip ring induction motor, brushes are connected to _________
The rotor of th 3-phase induction motor rotates in the same direction as that of stator field. This can be explained by _________
The 3-phase induction motor with rotor circuit open will _________
Stator flux induces emf in the rotor conductors _________
For a 4-pole, 3-phase induction motor the rotor speed found is 2100 rpm at 50 Hz. Then the phase sequence of the emf generated will be?
A 4-pole, 3-phase slip ring induction motor is used as a frequency changer. Its stator is excited from 3-phase, 50 Hz supply. A load requiring 3-phase, 20 Hz supply is connected to the star-connected rotor through three slip-rings of SRIM. At what two speeds the prime mover should drive the rotor of this SRIM?
A properly shunted center zero galvanometer is connected in the rotor circuit of a 6-pole, 50 hz wound rotor induction motor. If the makes 90 complete oscillations in one minute, the rotor speed is?
A three phase, 50 Hz induction motor has a full load speed of 1440 rpm. Speed of the rotor field w.r.t. stator field is?
A three phase, 50 Hz induction motor has a full load speed of 1440 rpm. Speed of the rotor field w.r.t. rotor structure is?