Electrical Machines Which of the following motors has negative speed regulation? Series motors. Differential compound motors. Shunt motors. Both B and C. Series motors. Differential compound motors. Shunt motors. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Cumulative compound motors Differential compound motor Series motor Shunt motor Cumulative compound motors Differential compound motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC Shunt motor. DC compound motor. DC series motor. DC shunt and level Compound motor. DC Shunt motor. DC compound motor. DC series motor. DC shunt and level Compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 Ω rotor resistance and 0.3 Ω standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required 0.78 Ω. 0.24 Ω. 0.66 Ω. 0.45 Ω. 0.78 Ω. 0.24 Ω. 0.66 Ω. 0.45 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a 3 - phase to ground fault. 3 - phase fault. line to ground fault. line to line fault. 3 - phase to ground fault. 3 - phase fault. line to ground fault. line to line fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. remains same. kept constant to certain value. decreased. increased. remains same. kept constant to certain value. decreased. increased. ANSWER DOWNLOAD EXAMIANS APP