Electrical Machines Synchronous condensers are used to improve the power factor reduce hunting All of these improve starting torque improve the power factor reduce hunting All of these improve starting torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at 1500 rpm zero speed 1000 rpm 750rpm 1500 rpm zero speed 1000 rpm 750rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Armature control. Field control. Ward-Leonard control. Multiple voltage control. Armature control. Field control. Ward-Leonard control. Multiple voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. None of these The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. None of these The leakage reactance of the induction motor should be small. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P T is independent of P T∝ P² T∝ P³ T∝ P T is independent of P T∝ P² T∝ P³ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is R1 /K² K×R1 K²R1 R1 /K R1 /K² K×R1 K²R1 R1 /K ANSWER DOWNLOAD EXAMIANS APP
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