Electrical Machines Iron losses in a DC machine are independent of variation in speed and voltage. load. speed. voltage. speed and voltage. load. speed. voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? All of these Capacitor start motor Capacitor start capacitor run motor Resistance split phase motor All of these Capacitor start motor Capacitor start capacitor run motor Resistance split phase motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 pole synchronous machine is operating at 3000 rpm. Find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm) ? ωe = 2*ωm ωe = ωm ωe = 4*ωm ωe = 1/2*ωm ωe = 2*ωm ωe = ωm ωe = 4*ωm ωe = 1/2*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For successful parallel operation of two single phase transformers, the most essential condition is that their percentage impedances are equal polarities are properly connected turn- ratios are exactly equal KVA ratings are equal percentage impedances are equal polarities are properly connected turn- ratios are exactly equal KVA ratings are equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Line voltage. Running torque. Slip. Rotor current. Line voltage. Running torque. Slip. Rotor current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Centrifugal pumps All of this. Lathes. Blowers and fans. Centrifugal pumps All of this. Lathes. Blowers and fans. ANSWER DOWNLOAD EXAMIANS APP
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