The heat released by burning oil and coal is the direct cause of global warming.
A.Right
B.Wrong
C.Not mentioned
A.Right
B.Wrong
C.Not mentioned
The heat released by burning oil and coal is the direct cause of global warming.
A.Right
B.Wrong
C.Not mentioned
管道对环境放出的热量应等于气体所放出的热量,可得确定温度分布的能量方程The heat released by the pipe to the environment should be equal to the heat released by the gas. The energy equation for determining the temperature distribution can be obtained by substituting dQ into equation:
A.Right
B.Wrong
C.Not mentioned
When a material burns in the air, heat is released and new substances are______.
A.separated
B.ruined
C.formed
D.dissolved
To______ the heat released from the inside machine, powerful ventilators were used.
A.dispatch
B.dissipate
C.distract
D.displace
A.latent heat of condensation
B.latent heat of vaporization
C.latent heat of saturation
D.sensible heat of condensation
A.5 kJ
B.10 kJ
C.15 kJ
D.20 kJ
A.increase by one-half.
B.decrease by one-half.
C.increase by one-fourth.
D.decrease by one-fourth.
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