The efficiency of a material in absorbing heat is described by heat capacity
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举一反三
- 中国大学MOOC: The ______ the heat capacity, the _____ the amount of heat needed to produce a temperature change.
- The ______ the heat capacity, the _____ the amount of heat needed to produce a temperature change. A: larger, greater B: larger, smaller C: lower, greater D: None of above is correct
- () heat efficiency in coal-fired power generation is one way to help meet this policy goal.
- The following sentence is True or False? "This kind of material can constrain heat and moisture."( )
- 4-2。which is the best material for heat insulation?( ) A: water B: cotton C: vacuum
内容
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For energy transport, the heat capacity of air is about 3 400 times greater than that of water.
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The sum of the sensible heat and the latent heat of any substance is known as ________. A: total heat B: residual heat C: specific heat D: superheat
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Which indexes are economic indexes of Rankine Cycle ( ) A: Thermal efficiency B: Coal rate C: Heat rate D: Steam rate
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The red, orange and yellow lights contain ______. A: less heat than the other lights B: more heat than the other lights C: a great deal of heat D: a little heat
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Potato A: A, love chilly and be afraid of heat B: B, love cold and be afraid of heat C: C, love heat and be afraid of cold D: D, love heat and be afraid of cold