ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: What is an example of institutional occupancy?

  • Dorms
  • Shopping mall
  • Football stadium
  • Hospital

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

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

3: A professional or office building would be considered what type of occupancy?

  • mercantile
  • public assembly
  • commercial
  • business

4: Before you change the type of refrigerant in a refrigeration system, what three things must be done?

  • Make sure its compatible, notify owner, and notify AHJ.
  • Nothing must be done
  • you can never change refrigerants
  • Place sign, check for leaks, and insulate suction line

5: When air is ducted through a machine room that services occupied space, What must be done?

  • Insulated and cross broke
  • Ducted and sealed
  • Flanged and gasketed
  • Welded and seamed.

6: A premise where large numbers of people congregate and from which occupants can not quickly vacate the space is considered

  • commercial occupancy
  • mixed occupancy
  • institutional occupancy
  • public assembly occupancy

7: Where a refrigeration or air conditioning system is installed,

  • A field inspection shall be made before it is put into service
  • the form or certificate shall be authorized by the Department of Public Safety
  • The company who installed the system must notify the fire department in the jurisdiction where installed
  • it shall not be operated below prescribed pressuers

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

  • 15
  • 20
  • 50
  • 75

9: What type of copper is not permitted on refrigeration systems?

  • Type M
  • Type N
  • Type L
  • Type K

10: R-22 is classified as a ____ refrigerant on the safety matrix.

  • B-1
  • A-1
  • B-2
  • A-2

11: What is R-22?

  • Chlorodifluoromethane
  • HFC
  • CCFCM
  • Chlorofluoromethane

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

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

13: Who authorizes changes to the safety codes?

  • Contractor who last serviced the system.
  • Board of Boilers
  • Person who pulled the permit
  • Person in charge of the facility

14: The total amount of refrigerant stored in a machinery room in all containers not provided with relief valves shall not exceed

  • 550 lbs
  • 55 lbs
  • 330 lbs.
  • 660 lbs

15: Stop valves shall not be permitted between the system and the

  • service valve
  • bleed valve
  • condenser
  • relief valve

16: Emergency shutdown procedures, including precautions to be observed in case of a breakdown or leak over 55 lbs of refrigerant charge, shall be displayed on a conspicuous card located as near as possible to the

  • outside the machinery room
  • compressor
  • boiler
  • evaporator

17: A hotel is considered a _______ occupancy.

  • mercantile
  • institutional
  • residential
  • commercial

18: The Department that certifies the transportation of refrigerant is the

  • DOT
  • RSES
  • EPA
  • EPO

19: What is R-611’s ASHRAE Safety Code?

  • C3
  • B3
  • B2
  • A2

20: R-717 is

  • ammonia
  • trichloromethane
  • carbon dioxide
  • water

21: The test pressure applied to the high side of each factory-assembled refrigerating system shall be at least equal to the design pressure of

  • 2.5 times the design pressure
  • the high side
  • the aggregate of the high side and low side
  • the low side

22: Which of the following are considered inorganic refrigerants?

  • R-717 and R-718
  • 410A and R-407C
  • R-500 and R-502
  • None of the above

23: Ammonia can come in contact with _______ ?

  • Copper
  • Brass
  • Aluminum
  • Copper tubing

24: Whoever owns/uses a refrigeration or air conditioning system covered by this code

  • must notify the Department of Public Safety prior to starting the system
  • shall be licensed by the Commonwealth of Massachusetts according to CMR 522
  • shall make application for inspections to the Chief of Inspectors
  • None of the above

25: Name a CFC refrigerant(s):

  • R-11
  • R-12
  • R-123
  • both a & b