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At starting, the field excitation of a dc shunt motor is kept at its maximum value to reduce
1 sparking at brushes.
2 acceleration time.
3 starting current
4 voltage dip in supply
Of these statements, Options are ⇒ (A) 1 and 2 are correct, (B) 2, 3 and 4 are correct, (C) 1,3, and 4 are correct, (D) 1. 2,3, and 4 are correct, (E) , Leave your comments or Download question paper.
Consider the following statements: At starting, the field excitation of a dc shunt motor is kept at its maximum value to reduce 1 sparking at brushes. 2 acceleration time. 3 starting current 4 voltage dip in supply Of these statements | |
A. | 1 and 2 are correct [Wrong Answer] |
B. | 2, 3 and 4 are correct [Correct Answer] |
C. | 1,3, and 4 are correct [Wrong Answer] |
D. | 1. 2,3, and 4 are correct [Wrong Answer] |