Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is All of these zero minimum maximum All of these zero minimum maximum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main disadvantage(s) of the ward-Leonard system is/are poor overall efficiency. high maintenance cost. high initial cost. all of above. poor overall efficiency. high maintenance cost. high initial cost. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is less than 50%. more. between 50% and 90%. same. less than 50%. more. between 50% and 90%. same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? Capacitor type induction motors. AC slip ring IM. Reluctance motor. DC series motor. Capacitor type induction motors. AC slip ring IM. Reluctance motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The squirrel cage induction motors are provided with blades in order to facilitate cooling of rotor. none of these. eliminate noise. balance the rotor dynamically. facilitate cooling of rotor. none of these. eliminate noise. balance the rotor dynamically. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? None of these rotor resistance R rotor reactance X both 1 and 2 None of these rotor resistance R rotor reactance X both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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