Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Star - delta Delta - star Star - star Delta - delta Star - delta Delta - star Star - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 76.91 V. 66.91 V. 56.91 V. 86.91 V. 76.91 V. 66.91 V. 56.91 V. 86.91 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 8 KW. 10 KW. 2 KW. 0. 8 KW. 10 KW. 2 KW. 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will run much faster in the same direction. The motor will run in reverse direction. The motor will stop. The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The motor will run in reverse direction. The motor will stop. The motor will run at its normal speed in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases remains constant. increases. decreases. decreases remains constant. increases. decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Vt vs Ia Eg vs Ia Eg vs load current Vt vs load current Vt vs Ia Eg vs Ia Eg vs load current Vt vs load current ANSWER DOWNLOAD EXAMIANS APP
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