Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Applied voltage. Field flux. Armature current. All of these. Applied voltage. Field flux. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss All of these Rotational loss Stator core loss Stator copper loss All of these Rotational loss Stator core loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Increasing the armature current. Increasing the field current. Increasing the field current. Decreasing the field current. Increasing the armature current. Increasing the field current. Increasing the field current. Decreasing the field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to absorb moisture of air during breathing. absorb moisture from air entering in transformer. filter the transformer oil. provide cold air in transformer. absorb moisture of air during breathing. absorb moisture from air entering in transformer. filter the transformer oil. provide cold air in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by paper insulation. wooden insulation. rubber insulation. cotton insulation. paper insulation. wooden insulation. rubber insulation. cotton insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. none. always opened. always closed. semi closed or semi opened. none. always opened. always closed. ANSWER DOWNLOAD EXAMIANS APP
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