Electrical Machines In single phase rotary converter the number of slip rings will be three. four. six. two. three. four. six. two. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these for better cooling of transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Series motor. Shunt motor. Differential compound motor. Cumulative compound motor. Series motor. Shunt motor. Differential compound motor. Cumulative compound motor. 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 have very good speed regulation. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they are capable of operation under range of leading and lagging pf. they have very good speed regulation. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they are capable of operation under range of leading and lagging pf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is unity power factor lagging power factor None of these leading power factor unity power factor lagging power factor None of these leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with main poles series with main poles parallel with armature series with armature parallel with main poles series with main poles parallel with armature series with armature ANSWER DOWNLOAD EXAMIANS APP
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