Electrical Machines Which type of motors are preferred in lifts? DC compound motors. DC shunt motors. DC series motors. None of these DC compound motors. DC shunt motors. DC series motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to any of above. failure of insulation between two turns of coil. failure of insulation between two commutator bars. grounding of two or more turns of the same coil. any of above. failure of insulation between two turns of coil. failure of insulation between two commutator bars. grounding of two or more turns of the same coil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do back to back test load test OC and SC tests None of these back to back test load test OC and SC tests None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability None of these salient pole motor both motors has same stability cylindrical motor None of these salient pole motor both motors has same stability cylindrical motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Both A and C. DC motor. Synchronous motor. Induction motor. Both A and C. DC motor. Synchronous motor. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Closed slot type machines. Semi closed slot type machine. Open slot type machines. Any of the above. Closed slot type machines. Semi closed slot type machine. Open slot type machines. Any of the above. ANSWER DOWNLOAD EXAMIANS APP