Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these DC. both of above. AC. None of these DC. both of above. AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Squirrel cage IM. Double cage motor. Synchronous motor. Slip ring IM. Squirrel cage IM. Double cage motor. Synchronous motor. Slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? None of these Good voltage regulation High voltage regulation Low short circuit current None of these Good voltage regulation High voltage regulation Low short circuit current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively any of the above 33.33 MW and 66.67 MW respectively 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively any of the above 33.33 MW and 66.67 MW respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 94% 96% 95% 92% 94% 96% 95% 92% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be such that actual impedance of all transformers would be same. inversely proportional to MVA rating of transformers. same. proportionate to MVA rating of transformers. such that actual impedance of all transformers would be same. inversely proportional to MVA rating of transformers. same. proportionate to MVA rating of transformers. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS