Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load None of these remains unaffected increases decreases None of these remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slot edges in a DC machine are made of Cast iron. Silicon steel. Mild steel. Fibre. Cast iron. Silicon steel. Mild steel. Fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve the power factor improve starting torque All of these reduce hunting improve the power factor improve starting torque All of these reduce hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes 1/2 of the initial value 4 time the initial value 1/4 of the intial value twice the initial value 1/2 of the initial value 4 time the initial value 1/4 of the intial value twice the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start motor All of these Capacitor start capacitor run motor Resistance split phase motor Capacitor start motor All of these Capacitor start capacitor run motor Resistance split phase motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Zener diode shunt regulator. None of these Transistor shunt regulator. Transistor series regulator. Zener diode shunt regulator. None of these Transistor shunt regulator. Transistor series regulator. ANSWER DOWNLOAD EXAMIANS APP