Electrical Machines Which of the following represents the operating region of slip in a 1-phase induction motor? -2 < S < 2 0 < S < 2 0 < S < 1 -1 < S < 1 -2 < S < 2 0 < S < 2 0 < S < 1 -1 < S < 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are either of these short pitched full pitched None of these either of these short pitched full pitched None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Radiator. Tap changer. Conservator tank. Commutator. Radiator. Tap changer. Conservator tank. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant hp drive below the base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant power drive above base speed. constant hp drive below the base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant power drive above base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between field current on Y-axis and armature current on X-axis. either of these. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. field current on Y-axis and armature current on X-axis. either of these. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the necessity of copper brushes in a dc motors? To absorb the mechanical shocks produced during running condition. None of these. To convert alternating supply current to direct current. To increase the flux cutting by the rotor. To absorb the mechanical shocks produced during running condition. None of these. To convert alternating supply current to direct current. To increase the flux cutting by the rotor. ANSWER DOWNLOAD EXAMIANS APP
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