Electrical Machines Which type of motors are preferred in lifts? DC series motors. DC shunt motors. None of these DC compound motors. DC series motors. DC shunt motors. None of these DC compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of DC machines bellow 5 kW. fractional kW DC machines. None of these DC machines above 10 kW. DC machines bellow 5 kW. fractional kW DC machines. None of these DC machines above 10 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 45 HZ 48.5 Hz 48 Hz 50 Hz 45 HZ 48.5 Hz 48 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 50Hz 2HZ 2.5Hz 1 Hz 50Hz 2HZ 2.5Hz 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on core loss component. shaft torque. rotor speed. synchronous speed. core loss component. shaft torque. rotor speed. synchronous speed. 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? 24 5 10 12 24 5 10 12 ANSWER DOWNLOAD EXAMIANS APP
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