The purpose of retardation test on D.C. shunt machines is to find out Options: A . &nbspStray losses B . &nbspEddy current losses C . &nbspField copper losses D . &nbspWindage losses

The purpose of retardation test on D.C. shunt machines is to find out

Question

The purpose of retardation test on D.C. shunt machines is to find out

Options:

A . Stray losses

B . Eddy current losses

C . Field copper losses

D . Windage losses

Answer: Option A

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Question 1. In a D.C. shunt motor, speed is....

Question 2. To get the speed of D.C, motor below the normal without wastage of electrical energy is used.....

Question 3. Which of the following application requires high starting torque?....

Question 4. If the field of a D.C. shunt motor gets opened while motor is running....

Question 5. Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator?....

Question 6. Which of the following loss in a D.C. generator is dissipated in the form of heat?....

Question 7. The hysteresis loss in a D.C. machine least depends on....

Question 8. Hopkinson's test on D.C. machines is conducted at....

Question 9. Regenerative method of braking is based on that....

Question 10. In the D.C. motor the iron losses occur in....

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