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 power factor on Y-axis. either of these. field current on X-axis and armature current on Y-axis. field current on Y-axis and armature current on X-axis. field current on X-axis and power factor on Y-axis. either of these. field current on X-axis and armature current on Y-axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are electrically linked. conductively linked. mechanically linked. inductively linked. electrically linked. conductively linked. mechanically linked. inductively linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Slip induction motor. DC shunt motor. Universal motor. Partial motor. Slip induction motor. DC shunt motor. Universal motor. Partial motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of mild steel. stainless steel. aluminium. cast iron. mild steel. stainless steel. aluminium. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The compensating winding in a DC machine 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements regarding the magnetization characteristics of a dc generator : 1. It represents the variation of field flux with field current. 2. Variation of open-circuit terminal voltage with field current is independent of speed 3. It is non-linear from zero to rated field current 4. It helps to determine the critical field resistance at a given speed 5. It always starts from the origin Which of these statements are correct ? 2, 3 and 4 1, 2 and 5 3 and 5 1 and 4 2, 3 and 4 1, 2 and 5 3 and 5 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
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