Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces eddy current torque. damping torqe. no torque. both 1 and 2. eddy current torque. damping torqe. no torque. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Gross power. Output power at the shaft. Power drawn in KVA. Power drawn in KW. Gross power. Output power at the shaft. Power drawn in KVA. Power drawn in KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current None of these High voltage regulation Good voltage regulation Low short circuit current None of these High voltage regulation Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The factors that are responsible for decrease in terminal voltage of a shunt generator are armature resistance, inter poles, armature. reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. armature resistance, inter poles, armature. reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they are capable of operation under range of leading and lagging pf. they have very good speed regulation. these are cheaper in cost, simple and rugged in construction. they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. they have very good speed regulation. these are cheaper in cost, simple and rugged in construction. they have maximum efficiency and maximum starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = P/2*θmech θelec = θmech θelec = 2/P*θmech θelec = 4/P*θmech θelec = P/2*θmech θelec = θmech θelec = 2/P*θmech θelec = 4/P*θmech ANSWER DOWNLOAD EXAMIANS APP
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