Which of the following are direct expansion evaporators?
1. bare tube
2. the plate surface
3. the shell and tube
4. the finned tube
a. 1,3
b. 2,3
c. 1,2,4
d. 1,2,3,4
Answer: D
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Power Engineering Chapter 117
- Evaporative condenser can save up to __ to __ percent in water consumption
- Which one is NOT true about the shell and tube condenser?
- Which of the following are direct expansion evaporators and flooded evaporators? 1. bare tube 2. the plate surface 3. the shell and tube 4. the finned tube
- Bare tube evaporators are applied where the space temperature is maintained below
- The common types of evaporators used in refrigeration systems are: 1. bare tube 2. the shell and coil 3. the plate surface 4. the shell and tube 5. double tube 6. the finned tube
- The purpose of a condenser in a refrigeration system is
- Defective condenser operation is a result of the presence of all of the following except
- The common types of water-cooled condensers used in refrigeration systems are: 1. the shell and tube 2. the shell and coil 3. the double tube 4. the plate surface
- Which of the following statements about the shell and tube evaporator type is false?
- The amount of water used in the evaporative condenser of a refrigeration plant is only a small percentage of that used in a water condenser of the same capacity, because
- Which of the following statements about the shell and tube refrigeration evaporator is false?
- All refrigeration evaporators:
- Of the following refrigeration system evaporators, the ___________ evaporators require the greatest refrigerant charge.
- The refrigeration condenser design that requires the tubes to be cleaned with acid and then neutralized, is the:
- Which of the following statements about double tube refrigeration condensers is true?
- With regard to refrigeration systems, large-capacity air-cooled condensers are found mainly
- Dry and flooded evaporators differ principally in what respect?
- Which of the following is NOT a form of refrigeration evaporator construction?
- The refrigeration evaporator that increases heat exchange by crimping several thin metal plates to single-wall tubes is a
- An evaporator that contains only a small amount of liquid refrigerant at any time is what type of evaporator?
- The amount of heat absorbed by water when it evaporates at atmospheric pressure is
- Which of the following is NOT a common type of refrigeration condenser?
- In a refrigeration system, which of the following is NOT a cause of poor condenser performance?
- An evaporator that can easily be cleaned and defrosted manually without interrupting the cooling process is which type of evaporator?