Electrical Machines Which of the following motors has low ratings only? Capacitor run Capacitor start Resistance split phase Shaded pole Capacitor run Capacitor start Resistance split phase Shaded pole ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of all of below. less maintenance. less cost. simple in construction. all of below. less maintenance. less cost. simple in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces damping torqe. eddy current torque. no torque. both 1 and 2. damping torqe. eddy current torque. no torque. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. they have very good speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is equal to that of second transformer. less than that of second transformer. none of these. more than that of second transformer. equal to that of second transformer. less than that of second transformer. none of these. more than that of second transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? None of these Inter pole winding will act in interpolar region. Compensating winding will act under the pole. Both A and B. None of these Inter pole winding will act in interpolar region. Compensating winding will act under the pole. Both A and B. ANSWER DOWNLOAD EXAMIANS APP