Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of Greater than 90o. 90o. 0o. less than 90o. Greater than 90o. 90o. 0o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be same. inversely proportional to MVA rating of transformers. proportionate to MVA rating of transformers. such that actual impedance of all transformers would be same. same. inversely proportional to MVA rating of transformers. proportionate to MVA rating of transformers. such that actual impedance of all transformers would be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 100W 80W 60W 40W 100W 80W 60W 40W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would decrease. None of above. not change. increase. decrease. None of above. not change. increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 750. 500. 100. 200. 750. 500. 100. 200. ANSWER DOWNLOAD EXAMIANS APP
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