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單項(xiàng)選擇題

Which of the following equipment can not be used for the waste heat recovery of the M/E to further improve its thermal efficiency?（）

A.M/E turbocharger
B.exhaust gas boiler
C.incinerator
D.fresh water generator

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單項(xiàng)選擇題

When comparing the air with 50% of relative humidity with the air with 100% of relative humidity, which one will hold more water?（）

A.the former
B.the latter
C.not for sure
D.same each other

單項(xiàng)選擇題

What is the result of converting 10℃ into degree of Fahrenheit?（）

A.0°F
B.18°F
C.32°F
D.50°F

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