Alternators Voltage regulation of an alternator is usually Equal to that of power transformer Much higher than that of a power transformer None of the listed here Much lower than that of power transformer Equal to that of power transformer Much higher than that of a power transformer None of the listed here Much lower than that of power transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.6 0.707 0.2 0.866 0.6 0.707 0.2 0.866 ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on Both load current and pf Power factor only Load current only None of the listed here Both load current and pf Power factor only Load current only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More efficient Larger in size Operating at high rpm More costly More efficient Larger in size Operating at high rpm More costly ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Speed of the alternator Short circuit ratio The power factor of the load Total current drawn Speed of the alternator Short circuit ratio The power factor of the load Total current drawn ANSWER DOWNLOAD EXAMIANS APP
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