Moderate
Which of the following equipment provides fluctuating load?
Correct answer: C. Welding transformer
- A. Exhaust fan
- B. Lathe machine
- C. Welding transformer
- D. All of the above
Explanation
A welding transformer produces a fluctuating load because the welding arc is repeatedly struck, interrupted, and varied during operation. Fans are comparatively steady, while a lathe is generally less erratic than an arc-welding load.
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