Electrical Machines Which of the following DC Motor is used in paper machines? DC series motor. DC Shunt motor. Separately excited DC motor. DC compound motor. DC series motor. DC Shunt motor. Separately excited DC motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of all of below. simple in construction. less maintenance. less cost. all of below. simple in construction. less maintenance. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A simple method of increasing the voltage of a DC generator is to increase the speed of shaft rotation. increase the number of turns in field coil. increase the number of turns in armature coil. increase the source frequency. increase the speed of shaft rotation. increase the number of turns in field coil. increase the number of turns in armature coil. increase the source frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Will results in open circuit. Nothing will happen. Fail to start. Will results in short circuit. Will results in open circuit. Nothing will happen. Fail to start. Will results in short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will run at very high speed. start haunting. burn. run at very low speed. run at very high speed. start haunting. burn. run at very low speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will stop. The motor will run at its normal speed in the same direction as before. The motor will run in reverse direction. The motor will run much faster in the same direction. The motor will stop. The motor will run at its normal speed in the same direction as before. The motor will run in reverse direction. The motor will run much faster in the same direction. ANSWER DOWNLOAD EXAMIANS APP
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