Electrical Machines Reactive power generated or delivered significantly depends on excitation. frequency. both 1 and 2. load angle. excitation. frequency. both 1 and 2. load angle. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed? The speed will increase in proportion to reduction in load. The speed will increase gradually. The speed will remains almost constant. The speed will increase abruptly. The speed will increase in proportion to reduction in load. The speed will increase gradually. The speed will remains almost constant. The speed will increase abruptly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will deteriorate and the speed falls. improve and the speed falls. improve and the speed rises. deteriorate and the speed rises. deteriorate and the speed falls. improve and the speed falls. improve and the speed rises. deteriorate and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Limit the speed. Limit the flux. Avoid sparking. Limit the current. Limit the speed. Limit the flux. Avoid sparking. Limit the current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 1 2 0 3 or 4 1 2 0 3 or 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is used in elevators? DC shunt motor. DC series motor. DC compound motor. None of these. DC shunt motor. DC series motor. DC compound motor. None of these. ANSWER DOWNLOAD EXAMIANS APP
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