Which of the following motors is usually preferred for kiln drives ?
Correct answer: D. Any of the above
- A. Cascade controlled A.C. motor
- B. Slip ring induction motor
- C. Three phase shunt wound com-mutator motor
- D. Any of the above
Explanation
Kiln drives require high starting torque and controlled speed, which can be obtained with cascade-controlled AC motors, slip-ring induction motors, or suitable commutator motors. Therefore, all the listed motor types may be used depending on the drive arrangement.
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