单项选择题

Which of the following condition is likely to develop if the thermocouple element of a pyrometer becomes coated with excessive amounts of combustion by-products?（）

A.Indicated exhaust pressure readings will increase
B.Pyrometer responses will be retarded
C.Indicated cylinder temperature readings will increase
D.Indicated firing pressure readings will increase

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船舶电气与船舶安全

Which of the following condition is likely to develop if the thermocouple element of a pyrometer becomes coated with excessive amounts of combustion by-products?（）