DC Motors MCQ Quiz - Multiple Choice Questions & Answers Page 4

31. Which D.C. motor has got maximum self loading property?

1. Series motor
2. Shunt motor
3. Cumulatively compounded motor
4. Differentially compounded motor

32. Which D.C. motor has got maximum self relieving property ?

1. Series motor
2. Shunt motor
3. Cumulatively compounded motor
4. Differentially compounded motor

33. Which D.C. motor is generally preferred for cranes and hoists ?

1. Series motor
2. Shunt motor
3. Cumulatively compounded motor
4. Differentially compounded motor

34. Which D.C. motor is preferred for elevators ?

1. Shunt motor
2. Series motor
3. Differential compound motor
4. Cumulative compound motor

35. Which D.C. motor will be preferred for machine tools ?

1. Series motor
2. Shunt motor
3. Cumulative compound motor
4. Differential compound motor

36. Which D.C. motor will be suitable alongwith flywheel for intermittent light and heavy loads?

1. Series motor
2. Shunt motor
3. Cumulatively compounded motor
4. Differentially compounded motor

37. Which method of braking is generally used in elevators ?

1. Plugging
2. Regenerative braking
3. Rheostatic braking
4. None of the above

38. Which motor has the poorest speed control?

1. Differentially compounded motor
2. Cumulatively compounded motor
3. Shunt motor
4. Series motor

39. Which motor should not be started on no-load ?

1. Series motor
2. Shunt motor
3. Cumulatively compounded motor
4. Differentially compounded motor.

40. Which of the following application requires high starting torque ?

1. Lathe machine
2. Centrifugal pump
3. Locomotive
4. Air blower