ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: What type refrigerant is NOT ozone depleting?

  • CFC
  • Halon
  • HCFC
  • HFC

2: Can a R22 line set be reused for a 410A system and if it can be reused, what must be done to it?

  • Flush with RX-11
  • Flush with R-11
  • Flush with R-718
  • Flush with ammonia

3: Insurance companies shall forward each inspection report of all refrigeration or A/C systems to the Chief of Inspections within

  • 14 days
  • 30 days
  • 2 months
  • 1 week

4: Pressure relief valves shall be marked with the data from

  • Section VIII Division of the ASME Boiler & Pressure Code
  • Section IV Division of the ASME Boiler & Pressure Code
  • Section I Division VIII of ASME Boiler & Pressure Code
  • Section XIII Division of the ASME Boiler & Pressure Code

5: The 522 CMR 9.00 has adopted for reference ASHRAE ____

  • III
  • 25
  • 10
  • 15

6: What type of refrigerants are NOT flammable?

  • CHC
  • HFC
  • HCFC
  • All of the above

7: Which refrigerant replaced R-12?

  • R-407A
  • R-134A
  • R-22
  • R-410A

8: What is Trichlorotrifluoromethane?

  • R-11
  • R-12
  • R-13
  • R-113

9: Industrial occupancy is

  • a premise or that portion of a premise that is not open to the public, where access by authorized persons is controlled, and that is used to manufacture, process, or store goods, such as chemicals, food, ice, meat, or petroleum.
  • is a premise or that portion of a premise where large number of people congregate and from which occupants cannot quickly vacate the space.
  • a premise or that portion of a premise where people transact business, receive personal service, or purchase food and other goods.
  • Both a and b are correct

10: Ashrae states that the equipment on a building needs to conform to adjacent buildings classifications when within ____ feet from opening and intakes.

  • 75
  • 50
  • 20
  • 15

11: All serviceable components of a refrigeration system shall be provided with

  • manufactures instructions on start-up procedures
  • safe access
  • name plates with markings referring to pressure and temperature in accordance with ASME Boiler and Pressure Vessel Code
  • service manuals

12: When is the only time you can leave a service container attached to a system?

  • Leaking system
  • Recovery
  • Charging
  • Both b and c

13: What must be done to all doors and access points in duct work going through a mechanical room?

  • Must be hindged
  • Must be screwed shut
  • Must be sealed and gasketed
  • All of the above

14: 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

15: According to the 522 CMR Board of Boilers, refrigerant detectors, alarms, and the refrigeration mechanical room ventilating systems shall be tested

  • regularly
  • quarterly
  • annually
  • bi-annually

16: What is the minimum size of the discharge pipe?

  • Same size as the outlet of the relief valve
  • One pipe size larger that the inlet of the relief valve
  • Depends on size of manifold
  • All of the above

17: 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

18: Doors communicating with outside from a mechanical room must be?

  • Steel, approved, weather-stripped
  • Self-closing, aligned, fire door
  • Self-closing, wooden, fire door
  • Self-closing, approved, fire door

19: What would be the classification of a church?

  • Industrial
  • Institutional
  • Place of assembly
  • Large mercantile

20: Can ammonia be used on domestic system?

  • no, unless there is proper ventilation system installed
  • yes
  • no
  • yes, for systems under 10 tons

21: R-22 is considered a(n)

  • HCFCH
  • HFC
  • CFC
  • HCFC

22: What kind of material can't be used on the outlet of a relief valve?

  • Stainless Steel
  • PVC
  • Aluminum
  • Copper

23: Refrigerant restricted in 2004 but used for transition for decades:

  • R-11
  • R-123
  • R-134A
  • R-22

24: Most CFC's are

  • toxic
  • inert
  • inert but toxic
  • flammable

25: Evaporators within 18" of a heating coil must be equipped with a

  • low limit control
  • zone valve
  • pressure relief device
  • high limit control