[D2L] 101H Flashcards
Which organization administers the B52-05 Mechanical Refrigeration Code in Alberta?
ABSA (Alberta Boilers Safety Association)
What information is in the Scope section of the B52-05 Mechanical Refrigeration Code?
the purpose, applications, language, and measurement units
The B52-05 Mechanical Refrigeration Code does not apply to the use of water or air as a refrigerant or to bulk storage gas tanks not permanently connected to a refrigeration system. What else does the code not apply to?
refrigeration systems installed on railroad cars, motor vehicles, aircrafts, ships and private residences
What is the B52-05 Mechanical Refrigeration Code’s definition for brazed joint?
A sealed joint made by joining metal parts with alloys that melt at temperatures higher than 800 degrees F.
What is the B52-05 code’s definition for receiver? (read Carefully)
The system component that stores the entire liquid refrigerant in a refrigeration system with 10% room to spare
What is the B52-05 code’s definition for zeotropic?
A blend of different refrigerants with varying saturation conditions acting as a single refrigerant
which of the following refrigerants does the B52-05 code list as a single-component refrigerant?
R717
The overpressure protection section of the B52-05 code relates to pressure vessels exceeding certain sizes and the pressure relief and pressure limiting devices used on those vessels. What else does the B52-05 code cover in its Overpressure Protection section?
compressor protection, liquid refrigerant expansion and the sizing of pressure relief devices
What is the main difference between the B52-05 codes annexes and tables?
the annexes provide information of value to the overall code but are not actually part of the code, whereas the tables are part of the code.
What does the B52-05 mechanical Refrigeration code protect?
people and equipment
The B149.1-05 CAN/CSA Gas Code applies to the amount of combustion air required by an appliance
T or F
True
Which of the following gases apply to the fuels used in the HVAC and R industry?
natural gas, propane gases, butane, manufactured gas, methane, ethane, propylene, butylene or a mixture of these
According to the B149.1-05 CAN/CSA Gas Code, which types of pipe may be used for the installation of gas systems?
copper, steel, or plastic piping or tubing
Which area of the plumbing code most affect refrigeration and air conditioning mechanics?
condenser, icemaker, and tower water supply and drains.
The CEC includes protection against fire, thermal effects, overcurrent, fault currents, over-voltages and which other concern?
Electrical shock
