Electrical Machines Select the motor that should not be started on no load? Shunt motor. Series motor. Compound motor. Brushless DC motor. Shunt motor. Series motor. Compound motor. Brushless DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers low resistance and low reactance. high resistance and high reactance. high resistance and low reactance. low resistance and high reactance. low resistance and low reactance. high resistance and high reactance. high resistance and low reactance. low resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at rated load only low at light loads only both A and B low at heavy loads only low at rated load only low at light loads only both A and B low at heavy loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements: To control the speed of a dc shunt motor above the base speed over a reasonably wide range, the motor must 1. have compensating winding 2. have interpole winding 3. be started using a 3-point starter 4. be started using a 4-point starter Of these statements 1, 2 and 4 are correct 1 and 3 are correct 2 and 4 are correct 1, 2 and 3 are correct 1, 2 and 4 are correct 1 and 3 are correct 2 and 4 are correct 1, 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Stator resistance starting. Auto transformer starting. Direct online starting. Rotor resistance starting. Stator resistance starting. Auto transformer starting. Direct online starting. Rotor resistance starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 850 rpm 900 rpm 1000 rpm 950 rpm 850 rpm 900 rpm 1000 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP