ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: How many different groups of refrigerants are there?

  • 7
  • 3
  • 15
  • 11

2: Ammonia (NH3) is a group III refrigerant

  • True
  • False

3: What section governs pressure vessels?

  • Section 1 ASHREA 15 ASME fired
  • Section ASHREA 34
  • OSHA
  • Section 8 ASHREA 15 ASME unfired

4: Large mercantile occupancy is

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

5: 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

6: 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

7: Each machinery room shall contain

  • a refrigerant detector located in an area where the refrigerant from a leak will concentrate
  • high and low pressure controls
  • a toxicity detector where the presence of ammonia or lithium bromide from a leak will concentrate
  • smoke and fire alarms as well as three means of egress and that egress must meet 528 CMR ventilation requirements

8: Can you use Ammonia in industrial applications?

  • Yes, Under certain condidtions
  • No, never
  • When mixed with R-718
  • Yes, always

9: What would be the classification of a prison?

  • Large mercantile
  • Industrial
  • Institutional
  • Place of assembly

10: Machinery rooms must be vented to ______?

  • neutralizing tank
  • unoccupied spaces
  • basement
  • outdoors

11: R-22 is considered a(n)

  • HCFCH
  • CFC
  • HCFC
  • HFC

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

  • DOT
  • RSES
  • EPO
  • EPA

13: When liquid receivers are used, the liquid refrigerant shall not exceed _______percent of the volume at 90F.

  • 99%
  • 80%
  • 75%
  • 90%

14: How many groups of refrigerants are there?

  • 1
  • 7
  • 3
  • 5

15: A movie theater would be considered a

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

16: Pressure vessels having an inside diameter of 6” or less shall be protected by

  • either a fusible plug or a pressure relief device
  • a pressure relief device
  • Pressure vessels having an inside diameter of 6” or less need no such protection unless otherwise specified
  • a fusible plug

17: What must be done to refrigerant pipes before being buried?

  • Coated
  • Certified
  • Encased
  • Leaked checked

18: Relief valves are rated in

  • gallons of water per minute
  • pounds of air per hour
  • gallons of water per hour
  • pounds of air per minute

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

  • 75
  • 50
  • 15
  • 20

20: Field Inspections of refrigeration and A/C systems in Massachusetts shall be made by

  • District Engineering Inspectors
  • Commissioned Inspectors
  • Master licensed Technician
  • both a or b

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

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

22: Refrigerant piping crossing an open space that affords passageway in any building shall not be less than _____ feet above the floor unless piping is located against the ceiling.

  • 7.00'
  • 7.25'
  • 9.00'
  • 8'4"

23: A premise or that portion of a premise where large numbers of people congregate and from which occupants cannot quickly vacate the space such as auditoriums, ballrooms, classrooms, passenger depots, restaurants, and theaters is considered a(n)

  • public assembly occupancy
  • illegal occupancy
  • commercial occupancy
  • institutional occupancy

24: Machinery rooms shall be vented to _____________ and utilizing mechanical ventilation.

  • the outdoors
  • the return air ducted system
  • Machinery rooms need not be vented
  • the mechanical room housing the refrigeration system

25: Joints in refrigeration piping must be _____ before being covered?

  • Inspected
  • Insulated
  • Leak tested
  • Pressurized