Electrical Machines Oil is provided in an oil filled transformer for insulating. cooling. both cooling and insulation. lubrication. insulating. cooling. both cooling and insulation. lubrication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means creation of residual magnetism by a DC source. neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. None of these creation of residual magnetism by a DC source. neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to supply voltage V 1/V V² 1/V² supply voltage V 1/V V² 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their per unit impedance efficiency leakage reactance ratings per unit impedance efficiency leakage reactance ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? DC Shunt Motor Synchronous motors Induction motors Both Synchronous and Induction motor DC Shunt Motor Synchronous motors Induction motors Both Synchronous and Induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 44 A. 440 A. 40 A. 400 A. 44 A. 440 A. 40 A. 400 A. ANSWER DOWNLOAD EXAMIANS APP
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