[0902 Daily Question] ) Multiple-choice question (Day 4) (Prize for correct answer)
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1. When the steam pressure decreases, the saturated temperature drops as well, which causes some water to evaporate; this will result in the volume of the boiler water (A) A. expanding. B. contracting. C. remaining unchanged. 2. An increase in the moisture content in coal will lead to a change in the radiant heat transfer within the furnace ( B） A. increasing. B. decreasing. C. remaining unchanged. Last edited by *anpangpang on 2009-2-6 12:49]
1. When the steam pressure decreases, the saturated temperature drops as well, which causes some water to evaporate; this will result in the volume of the boiler water (A) A. expanding. B. contracting. C. remaining unchanged. 2. An increase in the moisture content in coal will lead to a change in the radiant heat transfer within the furnace ( A） A. increasing. B. decreasing. C. remaining unchanged.
1. When the steam pressure decreases, the saturation temperature drops as well, which causes some water to evaporate; this leads to an increase in the volume of the boiler water (A). A. Expansion 2. An increase in the moisture content in the coal results in a decrease in the radiant heat transfer within the furnace (B). B. Decrease
1. When the steam pressure decreases, the saturated temperature drops as well, which causes some water to evaporate; this leads to a change in the volume of the boiler water (A). 2. An increase in the moisture content in the coal results in a change in the amount of radiant heat transfer within the furnace (B)
My choice: 1A 2A
1. When the steam pressure decreases, the saturated temperature drops as well, which causes some water to evaporate; this will result in an increase in the volume of the boiler water (A). A. Expansion 2. An increase in the moisture content in the coal will lead to a decrease in the radiant heat transfer within the furnace (B). B. Decrease.
1.A. Expansion 2.B. Reduction
My choice: 1, B, 2, B
1. When the steam pressure decreases, the saturation temperature drops as well, which causes some water to evaporate; this leads to an (A. expansion) of the volume of water in the boiler. 2. An increase in the moisture content in the coal results in a (B. decrease) in the amount of radiant heat transfer within the furnace
1. When the steam pressure decreases, the saturated temperature drops as well, which causes some water to evaporate; this will result in the volume of the boiler water (A) A. expanding. B. contracting. C. remaining unchanged. 2. An increase in the moisture content in coal will cause the amount of radiant heat transfer in the furnace to ( A ) A. increase. B. decrease. C. remain unchanged.
1. A. Expansion 2. B. Reduction
1. When the steam pressure decreases, the saturated temperature drops as well, which causes some water to evaporate; this will result in the volume of the boiler water (A) A. expanding. B. contracting. C. remaining unchanged. 2. An increase in the moisture content in coal will lead to a change in the radiant heat transfer within the furnace ( A） A. increasing. B. decreasing. C. remaining unchanged.