ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: Large mercantile occupancy is

  • a premise or that portion of a premise where more than 200 persons congregate on levels above or below street level to purchase personal merchandise
  • a premise of that portion of a premise where more than 100 persons congregate on levels above of below street level to purchase personal merchandise.
  • a premise of that portion of a premise where more than 50 persons congregate on levels above of below street level to purchase personal merchandise.
  • a premise or that portion of a premise where more than 1500 persons congregate on levels above or below street level to purchase personal merchandise

2: Refrigerants shall be classified by

  • color codes
  • toxicity and flammability
  • maximum permissible quantities of each group
  • requirements for commercial, industrial, and residential occupancies

3: Class A refrigerants are considered

  • non-toxic
  • non-flammable
  • toxic
  • flammable

4: R-11 belongs to Group

  • B-1
  • B-3
  • A-1
  • A-2

5: A premise or that portion of a premise where people transact business, receive personal service, or purchase foods, other goods is considered a

  • public assembly occupancy.
  • business occupancy
  • commercial occupancy
  • mercantile occupancy

6: Methyl Chloride is a halogenated refrigerant and should not come in contact with

  • aluminum
  • zinc
  • magnesium
  • all of the above

7: What is the refrigerant chlorodifluoromethane?

  • R-123
  • R-134a
  • R-22
  • R-12

8: Where are the three places that the discharge from an ammonia relief valve be piped?

  • atmosphere, tank containing water, where the A.H.J. indicates
  • underground, into drain, into mechanical room
  • to chemical neutralizing tank only
  • none of the above

9: Pressure vessels with an internal volume of 3 cubic feet or less

  • shall use fusible plugs
  • shall use pressure relief devices or fusible plugs
  • do not need pressure relief protection
  • shall use pressure relief devices

10: R-12. R-22, and R-40 are considered Group I refrigerants.

  • True
  • False

11: What would be the classification of a prison?

  • Institutional
  • Place of assembly
  • Industrial
  • Large mercantile

12: 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

13: When releasing a hydrogenated hydrocarbon refrigerant to the atmosphere, ample ventilation must be provided and

  • no flames shall be permitted
  • the owner shall be informed
  • gas masks must be worn
  • explosion precautions must be taken

14: The pressure relief device of a positive displacement compressor shall discharge in the ______________or in accordance with 9.7.8

  • low side of the system
  • high side of the system
  • the vapor side of the system
  • the liquid side of the system

15: The dial of a pressure gauge, when installed on the high side of a system be graduated 1.2 times the designed pressure.

  • True
  • False

16: Fusible plugs shall not be used with pressure vessels of

  • 3 cubic feet or more
  • 15 cubic feet or more
  • 15 square feet or less
  • 3 cubic feet or less

17: A restaurant is classified as a

  • commercial occupancy
  • mixed occupancy
  • large mercantile occupancy
  • public assembly occupancy

18: What refrigerant has zero ozone depletion

  • HFC
  • CFC
  • HCFC
  • None of the above

19: System design pressures must take into consideration, not only, pressures found during normal operation but also what?

  • When it's cold out
  • When there is a malfunction on the high side
  • When its warm out
  • All of the above

20: Pressure limiting devices are not required for systems containing less then ________ refrigerants.

  • 22 lbs
  • 6.6 lbs
  • 13.9 lbs
  • 44 lbs

21: A machine room with a refrigerant system using ammonia shall

  • be provided with a continuously operated ventilation system
  • be considered a non-hazardous location in accordance with National Electrical code
  • have no flame producing apparatus permanently installed and operated
  • All of the above

22: Pressure-limiting device isn't required on a factory-sealed system containing less than ____ lbs.

  • 50
  • 18
  • 33
  • 22

23: R-22 is considered a(n)

  • HFC
  • HCFC
  • HCFCH
  • CFC

24: What is Trichlorotrifluoromethane?

  • R-11
  • R-13
  • R-12
  • R-113

25: What would be the classification for Stop & Shop grocery store?

  • Industrial
  • Instituional
  • Place of assembly
  • Large mercantile