Question 1

What is one effect of reducing the braking resistance in dynamic braking?

Accepted Answer

The braking current increases

Answer

The braking time increases

Answer

The motor speed decreases

Answer

The motor becomes less efficient

Question 2

In regenerative braking, how does the load torque behave?

Accepted Answer

It reverses its direction

Answer

It remains constant

Answer

It increases

Answer

It decreases

Question 3

What happens to the motor's speed and direction of rotation during regenerative braking?

Accepted Answer

The speed does not change direction but the motor torque reverses direction

Answer

Both speed and direction increase

Answer

The speed remains constant and direction reverses

Answer

The speed and direction both reverse

Question 4

During dynamic braking, what is the purpose of the resistive load?

Accepted Answer

To dissipate the stored kinetic energy

Answer

To reduce friction losses

Answer

To increase motor speed

Answer

To maintain constant current

Question 5

During dynamic braking, what happens to the armature current when the switch is moved to the braking resistance?

Accepted Answer

It flows in the opposite direction

Answer

It remains the same

Answer

It increases to maximum

Answer

It becomes zero

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