Q. Which of the following motors is preferred for boom hoist of a travelling crane? (Solved)
1. Single phase motor
2. Synchronous motor
3. A.C. slip ring motor
4. Ward-Leonard controlled D.C. shunt motor
- c. A.C. slip ring motor
1. Single phase motor
2. Synchronous motor
3. A.C. slip ring motor
4. Ward-Leonard controlled D.C. shunt motor