DC Generators The purpose of providing dummy coils in a generator is To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Field weakening due to armature reaction and armature Armature reaction Armature resistance drop Commutation Field weakening due to armature reaction and armature Armature reaction Armature resistance drop Commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Type of winding Voltage Speed of armature Amount of current to be collected Type of winding Voltage Speed of armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be None of these 150 V Less than 150 V Greater than 150 V None of these 150 V Less than 150 V Greater than 150 V 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 0.025 Ω 0.055 Ω 0.5 Ω 1 Ω 0.025 Ω 0.055 Ω 0.5 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of poles 2 Number of pairs of poles None of the listed here Number of poles 2 Number of pairs of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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