[Oil Transport Quiz with Prizes] 103

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Multiple-choice questions. 5 questions per day; 2 wealth points for answering one question correctly, and an additional 10 wealth points if all questions are answered correctly. To prevent some members from copying other members’ answers, please hide your posts when answering questions. To hide the method, click here: Hide Method. Answers using the same IP are valid only for the first post. Also, be careful when posting; edits are invalid! 1. The chimney draft is generated by the density difference resulting from the difference in gas conditions ( ) inside and outside the chimney. (A) Temperature (B) Pressure (C) Flow rate (D) Viscosity 2. Due to changes in season, the draft in chimneys also varies; the season with the greatest draft in chimneys is ( ). (A) Spring (B) Summer (C) Autumn (D) Winter 3. Before heating the furnace after its construction or major repair, all openings and flue dampers should be opened to allow natural ventilation for ( ) days, in order to achieve natural drying. (A)1-2 (B)2-3 (C)3-4 (D)4-5 4. At the beginning of heating the furnace, three or four piles of wood can be placed at the bottom of the radiation chamber, and the heating process can be carried out at a temperature rise rate of ( ) °C/h. (A)2-3 (B)3~6 (C)6-8 (D)8-10 5. When heating a furnace, once the temperature rises above 150°C, one burner can be turned on at its lowest setting, with the rate of temperature increase controlled at ( ) °C/h. (A)2-3 (B)3-5 (C)5-7 (D)7-9 Answer key: 1.A 2.D 3.B 4.B 5.C