Which of the following pipe joints are permitted for high pressure 31.75 mm or smaller steel piping?
a. Silver brazed
b. Screwed
c. Soldered
d. Flared
e. Glued
Answer: B
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Power Engineering Chapter 120
- Moisture in a system can result in which of the following?
- Which of the following statements about strainers is false?
- Which of the following statements about refrigeration pressure gauges is true?
- A liquid trap located in the suction line before a refrigeration compressor, which evaporates liquid refrigerant and returns it to the compressor as a gas, is called:
- A chemical dot placed under the lens of a sight glass that is exposed to liquid refrigerant monitors
- The emergency discharge line of a refrigeration system:
- An emergency discharge system is installed on a refrigeration system to prevent serious conditions, such as
- A refrigeration system contains 30 kg of an A1 refrigerant. Which of the following system locations does NOT require a stop valve, according to CSA B52 code?
- One function of vibration absorbers is to:
- A pressure relief device on a refrigeration system shall have sufficient capacity to prevent the pressure in the pressure vessel from rising more than _____ above the setting of the pressure relief device.
- According to CSA B52 code, refrigerant discharge from a pressure relief device to the atmosphere shall not be less _____ from any window, ventilation opening or exit in any building.
- A direct expansion type evaporator that has more than one refrigerant circuit requires __________ to provide even refrigerant flow in each circuit.
- The accessory that maintains efficient heat transfer by collecting oil that coats the tubes of the condenser is called: