Electrical Machines In a DC Shunt Motor if the load current increases then field flux remains constant. increases. decreases decreases. remains constant. increases. decreases decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? slip ring induction motor None of these squirrel cage induction motor either of these slip ring induction motor None of these squirrel cage induction motor either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf remains constant. increases. decreases. increases upto a limit and then remains almost constant. remains constant. increases. decreases. increases upto a limit and then remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? None of these Both A and B. Inter pole winding will act in interpolar region. Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. Compensating winding will act under the pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to 1/V 1/V² V² supply voltage V 1/V 1/V² V² supply voltage V 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 1 and 4 3 and 5 2, 3 and 4 1, 2 and 5 1 and 4 3 and 5 ANSWER DOWNLOAD EXAMIANS APP