Electrical Machines Oil is provided in an oil filled transformer for insulating. both cooling and insulation. lubrication. cooling. insulating. both cooling and insulation. lubrication. cooling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is R1 /K K×R1 K²R1 R1 /K² R1 /K K×R1 K²R1 R1 /K² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is directly proportional to slip not dependent on the slip inversely proportional to slip either of these directly proportional to slip not dependent on the slip inversely proportional to slip either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Radiator. Commutator. Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? high current and low voltage low current and high voltage high current and high voltage low current and low voltage high current and low voltage low current and high voltage high current and high voltage low current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Ns Nr Zero S.Ns Ns Nr Zero S.Ns ANSWER DOWNLOAD EXAMIANS APP
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