Flame proof motors are used in_________________?
Correct answer: D. explosive atmospheres
- A. paper mills
- B. steel mills
- C. moist atmospheres
- D. explosive atmospheres
Explanation
Flame-proof motors are enclosed so that any internal spark or flame does not ignite the surrounding atmosphere. They are therefore used in locations containing flammable gases, vapours, or dust, known as explosive atmospheres.
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