ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

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