Electrical Machines Equalizer rings are used in which of the followings? None of these lap winding both 1 and 2 wave winding None of these lap winding both 1 and 2 wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. cage. wound. none of these. linear. cage. wound. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.23Ω. 0.5Ω. 0.25Ω. 1Ω. 0.23Ω. 0.5Ω. 0.25Ω. 1Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design None of these reduces the weigh per KVA increases the weigh per KVA has no relation with the weight of transformer None of these reduces the weigh per KVA increases the weigh per KVA has no relation with the weight of transformer ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on color of the paint. surface area. air velocity. temperature difference. color of the paint. surface area. air velocity. temperature difference. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? None of these. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. ANSWER DOWNLOAD EXAMIANS APP
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