Topics: ASHRAE/CMR
1: Institutional occupancy is
- a premise or that portion of a premise where large numbers of people congregate and from which occupants cannot quickly vacate the space.
- a premise or that portion of a premise from which, because they are disabled, debilitated, or confined, occupants cannot readily leave without the assistance of others.
- a premise or that portion of a premise where people transact business, receive personal service, or purchase food and other goods.
- None of the above
2: What would be the classification of a church?
- Institutional
- Industrial
- Large mercantile
- Place of assembly
3: A High-Probablity system
- is such that a leak of refrigerant from failed connections will enter the occupied space
- is such that any leak will cause injury or death to anyone within a 100 square foot area
- is a system highly likely to leak from a failed connection or component of such system
- is such that a leak of refrigerant from failed connections will enter the unoccupied space
4: Refrigerant systems containing Group I refrigerants can be installed in or on public stairways.
- True
- False
5: Defined process piping by code CMR (528)
- Any piping that conveys a solid, liquid or gas that is not part of the plumbing or fire protection system
- Any piping in an industrial space
- Any piping in an industrial or commercial space
- All of the above
6: Liquid level gauges shall have _____________ with one exception being that of the liquid level gauge bull’s eye type.
- color-coded glass to determine type of refrigerant
- moisture indicators
- automatic closing shut-off valves
- All of the above
7: The discharge relief valve is located (9.4.6)
- between the compressor and the stop valve
- on top of the condensor
- between the compressor and oil separator
- between the compressor and reciever
8: A class B2 refrigerant is considered
- toxic and non-flammable
- non-toxic and highly flammable
- non-toxic and non-flammable
- toxic and somewhat flammable
9: R-22 is classified as a ____ refrigerant on the safety matrix.
- B-2
- A-2
- B-1
- A-1
10: Low temperature systems should have what?
- High pour point
- Low pour point
- High viscosity
- None of the above
11: When a refrigerating machinery room is used, the emergency procedures shall be posted
- inside the room, immediately adjacent to each door
- on a conspicuous card located near the compressor
- on a conspicuous card located near the evaporator
- outside the room, immediately adjacent to each door
12: Who is permitted to access a refrigeration machine room?
- Contractors only
- Any employee
- Anyone, it's a completely safe area
- Authorized persons only
13: When this is installed on the high side of a system, it must be capable of reading 1.2 times the design pressure (ASHRAE 15 9.11.3)
- Pressure gauge
- Temperature gauge
- Sight glass gauge
- All of the above
14: Can you use Ammonia in industrial applications?
- Yes, Under certain condidtions
- No, never
- Yes, always
- When mixed with R-718
15: Name an HCFC refrigerant(s):
- R-22
- R-123
- R-11
- both a & b
16: Which refrigerant class listed below is the most flammable?
- C3
- A3
- A2
- B2
17: Pipe identification labels are required when the system contains more than
- 110 lbs
- 55 lbs
- 120 lbs
- 65 lbs
18: NH3 is
- lithium bromide
- R-718
- R-508A
- ammonia
19: Pressure vessels with an internal volume of 3 cubic feet or less
- shall use pressure relief devices or fusible plugs
- shall use pressure relief devices
- do not need pressure relief protection
- shall use fusible plugs
20: What was the main reason for enacting the no venting rule of July 1, 1992?
- Ozone depletion
- Green house effect
- Global warming potential
- All of the above
21: A movie theater would be considered a
- commercial occupancy
- public assembly occupancy
- mixed occupancy
- institutional occupancy
22: When must refrigeration system covered by the code be inspected?
- Not required
- Annually
- Upon installation
- Annually and when installed
23: Methyl Chloride is a halogenated refrigerant and should not come in contact with
- aluminum
- zinc
- magnesium
- all of the above
24: The main cause of enacting the "no vending rule" of July 1st 1992 was
- global warming potential
- ozone depletion
- both a & b
- None of the above
25: Ammonia shall be discharged into ____________ or a tank containing one gallon of water for every pound of ammonia.
- the atmosphere
- a de-pressurized recovery tank with a silver top and yellow bottom
- a tank containing two pounds of a water/lithium bromide mix for every pound of ammonia
- All of the above