Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an induction motor. synchronous generator. induction generator. synchronous motor. induction motor. synchronous generator. induction generator. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? rotor resistance R rotor reactance X both 1 and 2 None of these rotor resistance R rotor reactance X both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 10 12 5 24 10 12 5 24 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at region under main pole. throughout the air gap. None of these interpole region. region under main pole. throughout the air gap. None of these interpole region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Output power at the shaft. Power drawn in KVA. Power drawn in KW. Gross power. Output power at the shaft. Power drawn in KVA. Power drawn in KW. Gross power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by field winding commutator armature winding starters field winding commutator armature winding starters ANSWER DOWNLOAD EXAMIANS APP