Electrical Machines In synchronous generator V curve is drawn between field current on Y-axis and armature current on X-axis. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. either of these. field current on Y-axis and armature current on X-axis. field current on X-axis and armature current on Y-axis. field current on X-axis and power factor on Y-axis. either of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 2 mg of KOH / gm. 1 mg of KOH / gm. 0.5 mg of KOH / gm. 0.3 mg of KOH / gm. 2 mg of KOH / gm. 1 mg of KOH / gm. 0.5 mg of KOH / gm. 0.3 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eg (generated emf) and Eb (back emf) both are different. changes. none of above. same. different. changes. none of above. same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to V. 1 / V. V2. 1 / V2. V. 1 / V. V2. 1 / V2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The compensating winding in a DC machine is located on pole shoes to avoid the sparking at the brushes. is located on pole shoes for avoiding the flashover at the commutator. is located in armature slots for compensation of the armature reaction. is located on commutating poles for improving commutation. is located on pole shoes to avoid the sparking at the brushes. is located on pole shoes for avoiding the flashover at the commutator. is located in armature slots for compensation of the armature reaction. is located on commutating poles for improving commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance machine will generate maximum power. field winding will burn. machine will generate maximum voltage. the voltage generated will be zero. machine will generate maximum power. field winding will burn. machine will generate maximum voltage. the voltage generated will be zero. ANSWER DOWNLOAD EXAMIANS APP
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