【Daily Question】Question from Issue 20151123
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This post was last edited by hjztbwg on 2015-11-30 at 14:23. Reward for participation: 2 Wealth. Reward for correct answer: 9 wealth. Regarding the design of protective ventilation for air-raid shelters, which of the following is correct? The correct answer is D. (A) For ducts used for ventilation through walls, reliable protective sealing measures must be implemented. (B) In air-raid shelters that serve as storage facilities during wartime, pressure measurement devices should be installed in the control room. (C) The rated air flow capacity of blast-proof valves should not be less than that of isolated ventilation systems during peacetime. (D) The rated air flow capacity of filtration and absorption units must be greater than the air intake volume during gas filtration ventilation
Regarding the design of protective ventilation for air-raid shelters, which of the following is correct? For ABCD (A), wall-mounted ventilation ducts shall be equipped with reliable protective sealing measures. (B) In air-raid shelters used as storage facilities during wartime, pressure measurement devices should be installed in the control rooms. (C) The rated air volume of blast-proof valves shall not be less than that of isolated ventilation during wartime. (D) The rated air volume of filtering absorbers must be greater than the air intake volume during gas-filtering ventilation
D) The rated air volume of the filtration absorber must be greater than the air intake volume during gas purification ventilation
B、-------------------------------------------
Regarding the design of protective ventilation for air-raid shelters, which of the following is correct? (C) The rated air volume of the blast-proof valve shall not be less than the post-war airtight ventilation volume
(D) The rated air volume of the filtration absorber must be greater than the air intake volume during gas purification ventilation
Regarding the design of protective ventilation for air-raid shelters, which of the following is correct? (D)
Regarding the design of protective ventilation for air-raid shelters, which of the following is correct? D (A) For wall-mounted ventilation ducts, reliable protective sealing measures must be implemented. (B) In air-raid shelters used as storage facilities during wartime, pressure measurement devices should be installed in the control room. (C) The rated air volume of blast-proof valves should not be less than that of isolated ventilation during peacetime. (D) The rated air volume of filter-absorbers must be greater than the air intake volume during gas-filtering ventilation
B:victory::victory::victory::victory