The purpose of designing some waste heat boilers with sinuous fire tubes, is to()

A . increase exhaust gas velocity through the boiler B . reduce accumulations of carbon deposits on the heat transfer surfaces C . eliminate exhaust gas pulsations and noise D . increase the rate of heat transfer to the waterside

时间:2022-09-04 07:26:49 所属题库:船舶电气与船舶安全题库

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