DC Generators Permeance is the reciprocal of Flux density Ampere turns Reluctance Resistance Flux density Ampere turns Reluctance Resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Ball bearings Bush bearings Magnetic bearings Needle bearings Ball bearings Bush bearings Magnetic bearings Needle bearings 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 0.025 Ω 0.5 Ω 1 Ω 0.055 Ω 0.025 Ω 0.5 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Half the number of poles Two Same as the number of poles Double the number of poles Half the number of poles Two Same as the number of poles Double the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 4.5% 9.1% 2.8% 11.3% 4.5% 9.1% 2.8% 11.3% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Increase the total flux Decrease the total flux None of the listed here Make the air gap flux uniform Increase the total flux Decrease the total flux None of the listed here Make the air gap flux uniform ANSWER DOWNLOAD EXAMIANS APP