Electrical Machines Type of single phase motor having highest power factor at full load is capacitor run. split phase. shaded pole type. capacitor start. capacitor run. split phase. shaded pole type. capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of simple in construction. less maintenance. all of below. less cost. simple in construction. less maintenance. all of below. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by interchanging supply terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Stepper motors. Induction motors. Universal motors. Reluctance motors. Stepper motors. Induction motors. Universal motors. Reluctance motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V, 50 Hz, 4 pole single phase induction motor is rotating in the clockwise ( forward ) direction at a speed of 1425 rpm. If the rotor resistance at standstill is 7.8 Ω. Then the effective rotor resistance in the backward branch of the equivalent circuit will be 8 Ω. 10 Ω. 4 Ω. 2 Ω. 8 Ω. 10 Ω. 4 Ω. 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
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