Electrical Machines Generator works on the principle of production dynamically induced emf. both A and B. None of these static induced emf. dynamically induced emf. both A and B. None of these static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? Field flux. Applied voltage. All of these. Armature current. Field flux. Applied voltage. All of these. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V/2, I and P/2 V, I and P V/2, I/2 and P/4 V, I/2 and P/2 V/2, I and P/2 V, I and P V/2, I/2 and P/4 V, I/2 and P/2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? Synchronous motor. Slip ring induction motor. Stepper motor. DC differential compound motor. Synchronous motor. Slip ring induction motor. Stepper motor. DC differential compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on full load. there is no load on the generator. the generator runs on designed speed. the generator runs on overload. the generator runs on full load. there is no load on the generator. the generator runs on designed speed. the generator runs on overload. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. Residual magnetism of the generator. None of above. Field resistance. Armature resistance. Residual magnetism of the generator. None of above. Field resistance. ANSWER DOWNLOAD EXAMIANS APP
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