Electrical Machines Which type of motors uses slip rings? Both Synchronous and Induction motor DC Shunt Motor Induction motors Synchronous motors Both Synchronous and Induction motor DC Shunt Motor Induction motors Synchronous motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at heavy loads only low at rated load only both A and B low at light loads only low at heavy loads only low at rated load only both A and B low at light loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound dc generator is delivering full load current at a terminal voltage of 230 V. Its series-field winding gets short circuited. If its terminal voltage 1. becomes more than 230 V, it is overcompounded generator 2. becomes more than 230 V, it is differentially compounded generator 3. becomes less than 230 V, it is overcompounded generator 4. becomes less than 230 V, it is differentially compounded generator 5. becomes less than 230 V, it is level compounded generator From these, the correct answer is 1, 4 2,3 1, 4, 5 2, 3, 5 1, 4 2,3 1, 4, 5 2, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator without commutator is a DC motor induction motor DC generator AC generator DC motor induction motor DC generator AC generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? saddle shape sine wave peaky in nature flat tapped or trapezoidal saddle shape sine wave peaky in nature flat tapped or trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on stator frame. pole faces. None of these rotor shaft. stator frame. pole faces. None of these rotor shaft. ANSWER DOWNLOAD EXAMIANS APP
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