DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Inductance Capacitance Resistance None of the listed here Inductance Capacitance Resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Interpole windings Copper brushes Equalisers Compensating windings Interpole windings Copper brushes Equalisers Compensating windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Same as the number of poles Double the number of poles Two Half the number of poles Same as the number of poles Double the number of poles Two Half the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 1 Ω 0.055 Ω 0.5 Ω 0.025 Ω 1 Ω 0.055 Ω 0.5 Ω 0.025 Ω ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS