A.viscosity will decrease
B.volume will increase
C.volume will decrease
D.pour point will be reduced
您可能感興趣的試卷
你可能感興趣的試題
A.a shortage of refrigerant
B.the compressor running continuously
C.liquid refrigerant returning to the compressor
D.the compressor short cycling on the high pressure cutout
A.evaporation is accomplished in a vacuum
B.due to the higher temperature of the incoming feed
C.due to the latent heat of evaporation principle
D.evaporation in a submerged medium produces more distillate
A.the bow
B.the stem
C.the port side
D.the starboard side
A.the distillate produced has greater purity
B.no boiling occurs on heat transfer surfaces
C.evaporation occurs at a higher rate
D.the incoming feed is at a higher temperature
A.the system is fully charged
B.there is air leaking in from the condenser
C.ice crystals are forming in the refrigerant
D.the system contains less than a full charge of refrigerant
最新試題
When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
Which of the listed pumps is NOT a positive displacement pump?（）
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
A pressure drop through the refrigerant liquid line may cause （）.
The major source of chemical contaminants in hydraulic fluid is （）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.