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English Translations » 历史存档[信息] » One Question per Day on Synthetic Ammonia (Series 17)

One Question per Day on Synthetic Ammonia (Series 17)

2016-02-20View Original

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Multiple-choice questions (fill in the correct option in the brackets). Series 1681: 81. (B-A-005) Topsoe’s LK-821 low-temperature shift catalyst can operate at ( ) and low gas-to-oil ratios. (A) 170 (B) 180 (C) 160 (D) 190 82. (B-A-005) ICI’s 53-1 type low-temperature shift catalyst can complete reduction in ( ) hours. (A) 4 (B) 8 (C) 16 (D) 24 83. (B-A-006) The operating temperature for the A110 series of catalysts is ( ) °C. (A) 380～400 (B) 380～500 (C) 380～450 (D) 420～500 84. (B-A-006) A110-2 is suitable for various axial towers to reduce the catalyst bed layer ( ). (A) Pressure drop (B) Temperature difference in the same plane (C) Temperature (D) Flow rate. 85. (B-A-006) The recommended operating temperature for A106 is ( )°C. (A) 380～450 (B) 400～520 (C) 380～500 (D) 380～520 A B C A B Scoring criteria: 3 points for participation, 8 points for a completely correct answer.
Reply #22016-02-20
81. (B-A-005) Topsoe’s LK-821 low-temperature catalyst can operate at (A) and a low gas-to-solid ratio. (A) 170 (B) 180 (C) 160 (D) 190 82. (B-A-005) ICI’s 53-1 type low-temperature catalyst can complete reduction in (B) hours. (A) 4 (B) 8 (C) 16 (D) 24 83. (B-A-006) The operating temperature for the A110 series of catalysts is (C) °C. (A) 380～400 (B) 380～500 (C) 380～450 (D) 420～500 84. (B-A-006) A110-2 is suitable for various axial towers to reduce the catalyst bed layer (A). (A) Pressure drop (B) Temperature difference in the same plane (C) Temperature (D) Flow rate. 85. (B-A-006) The recommended operating temperature for A106 is (B) °C. (A) 380～450 (B) 400～520 (C) 380～500 (D) 380～520
Reply #32016-02-20
Answer: A B C A B
Reply #42016-02-20
81. (B-A-005) Topsoe’s LK-821 low-temperature catalyst can operate at (A) and a low gas-to-solid ratio. (A) 170 (B) 180 (C) 160 (D) 190 82. (B-A-005) ICI’s 53-1 type low-temperature catalyst can complete reduction in (B) hours. (A) 4 (B) 8 (C) 16 (D) 24 83. (B-A-006) The operating temperature for the A110 series of catalysts is (C) °C. (A) 380～400 (B) 380～500 (C) 380～450 (D) 420～500 84. (B-A-006) A110-2 is suitable for various axial towers to reduce the catalyst bed layer (A). (A) Pressure drop (B) Temperature difference in the same plane (C) Temperature (D) Flow rate. 85. (B-A-006) The recommended operating temperature for A106 is (B) °C. (A) 380～450 (B) 400～520 (C) 380～500 (D) 380～520

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Translated at 2026-07-21 00:50:03

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