Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature circuit resistance control. Field resistance control. Any of above. Armature voltage control. Armature circuit resistance control. Field resistance control. Any of above. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? +3.33% -3.33% +3% -3% +3.33% -3.33% +3% -3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 4 point starter 2 point starter 3 point starter All of these 4 point starter 2 point starter 3 point starter All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their rating. leakage reactance. efficiency. percentage impedance. rating. leakage reactance. efficiency. percentage impedance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the speed of motor will be reduced. the motor will attain dangerously high speed. the armature current will reduce. the motor will come to stop. the speed of motor will be reduced. the motor will attain dangerously high speed. the armature current will reduce. the motor will come to stop. ANSWER DOWNLOAD EXAMIANS APP
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