Which method of braking is generally used in elevators ?
A) Plugging
B) Regenerative braking
C) Rheostatic braking
D) None of the above
Correct Answer:
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Q5: The purpose of retardation test on D.C.
Q6: Which of the following tests will be
Q7: Hopkinson's test on D.C. machines is conducted
Q8: During rheostat braking of D.C. series motors
A)motor
Q9: For which types of D.C. motor, dynamic
Q11: In variable speed motor
A)a stronger commutating field
Q12: When the armature of a D.C. motor
Q13: Where D.C. motor of H.P. 12 or
Q14: If a D.C. shunt motor is working
Q15: D.C. motor is to drive a load
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