Electrical Machines Tappings of a transformer are provided at the phase end of hv side at the neutral side end of hv side at the middle of hv side at the phase end of lv side at the phase end of hv side at the neutral side end of hv side at the middle of hv side at the phase end of lv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.23Ω. 0.5Ω. 0.25Ω. 1Ω. 0.23Ω. 0.5Ω. 0.25Ω. 1Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Air compressors. Centrifugal pumps. Blowers. Conveyers. Air compressors. Centrifugal pumps. Blowers. Conveyers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is more and maximum torque remains constant more and maximum torque decreases less and maximum torque increases less and maximum torque decreases more and maximum torque remains constant more and maximum torque decreases less and maximum torque increases less and maximum torque decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Normal. Zero. Very high. Very low. Normal. Zero. Very high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Shunt motor Differential compound motor Series motor Cumulative compound motors Shunt motor Differential compound motor Series motor Cumulative compound motors ANSWER DOWNLOAD EXAMIANS APP
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