Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -1.92 1.92 0.08 -0.08 -1.92 1.92 0.08 -0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer None of these increases the weigh per KVA reduces the weigh per KVA has no relation with the weight of transformer None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of mild steel. stainless steel. aluminium. cast iron. mild steel. stainless steel. aluminium. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is magnetic field poles. core. armature. none of these. magnetic field poles. core. armature. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Magnetization Demagnetization Cross magnetization None of these Magnetization Demagnetization Cross magnetization None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a step down transformer which one of the following statements is true? Secondary current is less than primary current. Number of secondary turns is less than primary turns. Secondary power is less than primary power. Number of secondary turns is more than that of primary. Secondary current is less than primary current. Number of secondary turns is less than primary turns. Secondary power is less than primary power. Number of secondary turns is more than that of primary. ANSWER DOWNLOAD EXAMIANS APP
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