Electrical Machines If the excitation is reduced, the power factor is None of these leading power factor lagging power factor unity power factor None of these leading power factor lagging power factor unity power factor 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 maximum efficiency and maximum starting torque. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. they have maximum efficiency and maximum starting torque. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC series generator. DC series motor. DC shunt motor. DC shunt generator. DC series generator. DC series motor. DC shunt motor. DC shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 2 pole. 6 pole. 4 pole. 8 pole. 2 pole. 6 pole. 4 pole. 8 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is R = S.X 0.5 lagging unity 0.707 lagging zero R = S.X 0.5 lagging unity 0.707 lagging zero ANSWER DOWNLOAD EXAMIANS APP
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