Q. DC motor is still widely used in tractions due to its excellent braking properties.

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Q. Which of the following is not the method of electrical braking?

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Q. Which of the following is the plugging method of braking?

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Q. Which of the following is correct formula for braking torque in plugging?

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Q. Electrical braking of any variety becomes less effective as ________________

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Q. Plugging is applied in a motor, if we don’t make the switch OFF what will happen?

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Q. Plugging is used in ____________

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Q. Which of the following is dynamic braking?

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Q. Braking time in the dynamic braking is the function of _____________

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Q. In dynamic braking, when braking is applied system acts as ___________

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Q. In which of the following electrical braking method, energy is supplied back to the supply?

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Q. Regenerative braking is used when duty cycle ____________

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Q. Regeneration is not easily possible for ____________

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Q. Which of the following method is not used for regeneration?

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Q. If the terminals of armature of DC motor are interchanged, this action will offer following kind of electrical braking ______________

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Q. The plugging braking gives the _____________

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Q. Regenerative method of braking is based on ___________

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Q. During regenerative braking of DC motors ____________

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Q. Where dynamic braking is used?

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

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