Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 8. 16. 4. 32. 8. 16. 4. 32. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. under-compounded. differential compounded. shunt. over compounded. under-compounded. differential compounded. shunt. over compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is none of these. more than that of second transformer. equal to that of second transformer. less than that of second transformer. none of these. more than that of second transformer. equal to that of second transformer. less than that of second transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. none of these. cylindrical. salient. non uniform cylindrical. none of these. cylindrical. salient. non uniform cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? They are not hard as copper brush All of these In case of any sparking they will be less damaged than copper brushes They are self lubricating in nature They are not hard as copper brush All of these In case of any sparking they will be less damaged than copper brushes They are self lubricating in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by compensating winding and commutating poles. increasing field excitation. shifting the brush axis from GNA to MNA. fixing the brush axis inline with the pole axis. compensating winding and commutating poles. increasing field excitation. shifting the brush axis from GNA to MNA. fixing the brush axis inline with the pole axis. ANSWER DOWNLOAD EXAMIANS APP
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