Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 230 V. 460 V. 200 V. 115 V. 230 V. 460 V. 200 V. 115 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ slip ring motor has double cage rotor. short-circuited rotor. any of the above. wound rotor. double cage rotor. short-circuited rotor. any of the above. wound rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be any of above. imperfect contact. rough commutator surface. severe sparking. any of above. imperfect contact. rough commutator surface. severe sparking. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Single phase IM. Slip ring IM. Squirrel cage IM. Three phase IM. Single phase IM. Slip ring IM. Squirrel cage IM. Three phase IM. ANSWER DOWNLOAD EXAMIANS APP
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