Electrical Machine MCQ: Induction Motor #8

Induction Motor MCQ #8

Electrical Machine MCQ: Induction Motor #8 (#86 to #100)

Induction Motor MCQ #8

86) When an induction motor runs at rated load and speed, the iron losses are
87) The EMF induced in the rotor of an induction motor is proportional to
88) The starting torque of an induction motor is maximum when rotor resistance is ________ the rotor reactance.
89) Wattmeter reading in no-load test of induction motor gives
90) The slip frequency of an induction motor is
91) The field of an induction motor rotor rotates relative to the stator at
92) Starters are used in induction motor because
93) Three-phase induction motor is mainly suitable for running
94) The field winding of three-phase synchronous machine is excited by
95) The synchronous speed of an induction motor is defined as
96) Synchronous induction motors are mostly used for driving
97) Number of different speeds that can be obtained from two induction motor in cascade is
98) Which of the following motor is used for traction purpose?
99) Maximum power developed in a synchronous motor occurs at a coupling angle of ________ degree.
100) Squirrel cage induction motor has ________ starting torque.
Electrical Machine MCQ: Induction Motor #8
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