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1. Ward Leonard method is suitable for constant torque drive.
2. Field control method faciiitacs speed control below the base speed.
3 . A rmature resistance control method is more efficient when compared to Ward Leonard method.
4. Field control method is suitable for constant power drives.
Of these statements, Options are ⇒ (A) 1,2 and 3 are correct., (B) 1,3 and 4 are correct., (C) 2, 3 and 4 are correct., (D) 1 and 4 are correct., (E) , Leave your comments or Download question paper.
Consider the following statements regarding speed control of dc
motors: 1. Ward Leonard method is suitable for constant torque drive. 2. Field control method faciiitacs speed control below the base speed. 3 . A rmature resistance control method is more efficient when compared to Ward Leonard method. 4. Field control method is suitable for constant power drives. Of these statements | |
A. | 1,2 and 3 are correct. [Wrong Answer] |
B. | 1,3 and 4 are correct. [Wrong Answer] |
C. | 2, 3 and 4 are correct. [Wrong Answer] |
D. | 1 and 4 are correct. [Correct Answer] |