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20151227 One question per day

2015-12-27View Original

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20151217 Daily Question: 1-3 points for participation, 3-5 points if answered correctly along with an analysis； In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be selected as ( ). A. Flameproof type B. Explosion-proof type C. Enhanced safety type D. Positive pressure type. The correct answers are AC
Reply #22015-12-27
I believe the answer to this question should be A.
Reply #32015-12-27
A. Flameproof type and C. Increased safety type.
Reply #42015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of type (A. flameproof C. increased safety).
Reply #52015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of type (AC). A. Flameproof type B. Explosion-proof type C. Enhanced safety type D. Positive pressure type
Reply #62015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of the (AC) type. A. Flameproof type B. Explosion-proof type C. Enhanced safety type D. Positive pressure type
Reply #72015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of type (AC). A. Flameproof type B. Explosion-proof type C. Enhanced safety type D. Positive pressure type
Reply #82015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of type (AC). A. Flameproof type B. Explosion-proof type C. Enhanced safety type D. Positive pressure type
Reply #92015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of type (ABC).
Reply #102015-12-27
In Zone 2, a hazardous area with explosive gas atmospheres, fixed lamps should be of type (A).

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Translated at 2026-07-21 01:03:28

Original: https://bbs.hcbbs.com/thread-1525604-1-1.html

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