Electrical Machines A crusher is equipped with DC shunt motor. Reluctance motor. Synchronous motor. Slip ring induction motor. DC shunt motor. Reluctance motor. Synchronous motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Silicon content in steel lamination is kept within 5% as it Increases cost. makes the material brittle. increases hysteresis loss. All of these Increases cost. makes the material brittle. increases hysteresis loss. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What happens if fifth multiples of harmonics is given to induction motor? Fail to start. It will rotates in reverse direction. It will rotates in normal operation. Either short circuit or open circuit occurs. Fail to start. It will rotates in reverse direction. It will rotates in normal operation. Either short circuit or open circuit occurs. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be zero. very small, say about 2 or 3 V. about 100 V. 250 V. zero. very small, say about 2 or 3 V. about 100 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC generator will be in a position to build up without any residual magnetism in the field? Series. Compound. Separately excited. Shunt. Series. Compound. Separately excited. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a cumulative compounded motor in opposite direction differentially compounded motor in the opposite direction cumulative compounded motor in the same direction differentially compounded motor in the same direction cumulative compounded motor in opposite direction differentially compounded motor in the opposite direction cumulative compounded motor in the same direction differentially compounded motor in the same direction ANSWER DOWNLOAD EXAMIANS APP