Multiple-choice questions on the exhaust gas temperature of waste heat boilers 1
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Except for special requirements of the process system, the flue gas temperature for various types of waste heat boilers is as follows: for D (evaporation rate) ≥ 10 t/h, the flue gas temperature ≤ ( ); for D (evaporation rate) < 10 t/h, the flue gas temperature is ( ). For small waste heat boilers that utilize natural ventilation through chimneys, tail heating surfaces may not be required. But the flue gas temperature shall not exceed 320°C. A. ≤220°C, ≤250°C B. ≤300°C, ≤350°C C. ≤150°C, ≤250°C D. ≤200°C, ≤300°C 5 points for a correct answer, 2 points for an incorrect one. The top 50 are valid; in principle, replies should be given within 48 hours. Please hide the answers.
Reply 1# ssun*nhong Reference answer: A
Reply 1# ssun*nhong C
A. ≤220℃, ≤250℃$ G
C. ≤150℃, ≤250℃
A. ≤220℃, ≤250℃