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The heat loss of exhaust gas is the loss caused by the sensible heat of the exhaust gas and the flying ash.()
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第2题
第3题
A.conduction.
B.radiation.
C.respiration.
D.evaporation.
第4题
A、tend to
B、more…than
C、with a higher external surface
D、heat loss
第5题
第6题
Which of the following is NOT the exact effect of aerosol layer?
A.It may reflect heat coming from the sun.
B.It facilitates the balance of heat on the Earth.
C.It would start another ice age.
D.It accelerates the loss of heat on the surface of the planet.
第7题
A.increased horsepower
B.reduced efficiency
C.increased heat loss
D.lower cylinder pressures
第8题
According to paragraph 1, the most fundamental adaptation to maintain body temperature is
A.the heat generated by the metabolism
B.a shivering reflex in the muscles
C.migration to a warmer environment
D.higher caloric intake to match heat loss
第9题
A.the working state of the heat production organ
B.the working state of the heat loss organ
C.the working feature of the peripheral thermoreceptor
D.the working feature of the temperature sensitive neuron
第10题
In paragraph 2, the author explains the concept of vasodilation and vasoconstriction by
A.describing the evolution in our ancestors
B.giving an example of heat loss in the extremities
C.comparing the process in humans and animals
D.identifying various types of insulation
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