Which process results in the increase in entropy of the
universe? ( )
A: the cooling of a hot cup of coffee in room temperature air
B: the evaporation of water from a desk at room temperature
C: the melting of snow above 0 °C
D: all of the above
universe? ( )
A: the cooling of a hot cup of coffee in room temperature air
B: the evaporation of water from a desk at room temperature
C: the melting of snow above 0 °C
D: all of the above
举一反三
- Some diesel engines are fitted with a thermometer in the cooling water outlet from each cylinderIf the cooling water temperature from all cylinders begins to rise above normal, you should suspect （） A: increase blow-by in all cylinders B: incomplete combustion in all cylinder C: overloading in all cylinders D: insufficient fuel delivery to all cylinder
- The<br/>optimal temperature of preserving virus stain is () A: -70℃ B: -20℃ C: 4℃ D: room<br/>temperature E: none<br/>of the above
- Which of the following fluorides has the lowest solubility in water<br/>at room temperature? ( ) A: LiF B: NaF C: KF D: CsF
- As we usually say, the engine room refers to the narrow sense of the engine room. It is_____. A: a cabin contain the engine B: steering gear room C: air conditioning room D: all of the above
- 词汇与结构Hot trim air from the bleed air system is added to the pack conditioned air to _____the temperature in each zone. A: increase B: obtain C: evaluate D: control