Electrical Machines What is the effect of armature reaction ? Both option B and C. Armature flux weakens the main field flux. None of the options. Armature flux distorts the main field flux. Both option B and C. Armature flux weakens the main field flux. None of the options. Armature flux distorts the main field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be zero. less than core loss. more than core loss. equal to core loss. zero. less than core loss. more than core loss. equal to core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along magnetic neutral axis. geometrical neutral axis. load axis. armature axis. magnetic neutral axis. geometrical neutral axis. load axis. armature axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where the load is very high. Where voltage variation is needed over a wide load range. Where a constant voltage is required over a narrow load range. Where often load fluctuation is occurred. Where the load is very high. Where voltage variation is needed over a wide load range. Where a constant voltage is required over a narrow load range. Where often load fluctuation is occurred. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To neutralize the distortion of main field flux due to armature reaction. Both option B and C. To serve the economical aspects. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. To serve the economical aspects. To get a superior commutation. ANSWER DOWNLOAD EXAMIANS APP
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