Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as A capacitor. an inductor. A resistor. None of these. A capacitor. an inductor. A resistor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will not start automatically. get damaged. start automatically without trouble. develop very low starting torque. not start automatically. get damaged. start automatically without trouble. develop very low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high staring torque only. high staring torque and high power factor. high power factor only. none. high staring torque only. high staring torque and high power factor. high power factor only. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The brushes of a DC machine should be placed on the armature in the polar axis. commutator in the inter polar axis. commutator in the polar axis. armature midway between poles. armature in the polar axis. commutator in the inter polar axis. commutator in the polar axis. armature midway between poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? None of these Cross magnetization Magnetization Demagnetization None of these Cross magnetization Magnetization Demagnetization ANSWER DOWNLOAD EXAMIANS APP
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