Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 60° 45° 30° 10° 60° 45° 30° 10° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A small air gap in poly phase induction motor helps to reduce magnetizing current. increase starting torque. reduce chance of crawling. reduce chance of cogging. reduce magnetizing current. increase starting torque. reduce chance of crawling. reduce chance of cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Stepper motor. Reluctance motor. Shaded pole motor. Hysteresis motor. Stepper motor. Reluctance motor. Shaded pole motor. Hysteresis motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 0.5Kw 3KW 1.5KW 2KW 0.5Kw 3KW 1.5KW 2KW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Coulombs law. Amperes law. Newtons law. Faradays law of electromagnetic induction. Coulombs law. Amperes law. Newtons law. Faradays law of electromagnetic induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase breaking torque. power factor. cost of operation. starting torque. breaking torque. power factor. cost of operation. starting torque. ANSWER DOWNLOAD EXAMIANS APP