Which of the following is not an advantage of a factory assembled, packaged refrigeration unit?
a. Components are designed to match each other
b. The final installation must be according to code
c. The unit is equipped with all the required auxiliary equipment
d. Space requirements are minimized
e. The unit is factory tested in operation
Answer: B
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Power Engineering Chapter 115
- Refrigerant evaporators
- Which of the following statements about a system that circulates warm brine or water back to a chiller tank is true?
- The primary difference between direct and indirect refrigeration systems is the
- Which of the following are principal parts in a closed cycle compression refrigeration system? i) Absorber ii) Evaporator iii) Compressor iv) Condenser
- Choose the true statement. The economiser of a packaged water chiller, used for air conditioning, does NOT
- In actual systems there will be a gradual pressure drop through each side of the system due to:
- Which of the following is not a component of the low pressure side of a compression refrigeration system?
- The brine pump of a refrigeration system:
- In the evaporator of a refrigeration system:
- In the condenser of a refrigeration system:
- The temperature in the evaporator:
- With regard to economizers installed on packaged air-conditioning chillers, which of the following statements is false?
- Which of the following is not a component of a closed cycle compression refrigeration system?
- For a direct expansion compression refrigeration system, which of the following statements is true?
- A compression refrigeration system can be divided into two parts; a high pressure section carrying the head pressure and a low pressure section carrying the _____ pressure:
- Raising the condensing point (saturation temperature) of the refrigerant vapour above the temperature of the cooling medium is the function of the:
- The type of brine used for skating and hockey rink refrigeration systems is usually:
- In the condenser of a refrigeration system:
- A purpose of a liquid refrigerant control or regulating valve (expansion valve)is to:
- A controlled amount of high temperature, high pressure liquid refrigerant:
- A refrigeration system circulates warm brine back to a chiller. Which of the following statements about this system is true?