ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: 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

2: The discharge relief valve is located (9.4.6)

  • on top of the condensor
  • between the compressor and reciever
  • between the compressor and oil separator
  • between the compressor and the stop valve

3: Which occupancy can ammonia be used in?

  • redifential
  • commercial
  • industrial
  • depends on the quantity of freon

4: All welding done on any refrigeration system or piping covered by 522 CMR 9.00 shall be performed by a according to Section IX of the ASME code

  • competent welder
  • licensed welder
  • licensed technician
  • welder qualified

5: What section of ASHRAE-15 governs pressure vessels?

  • Section 6 ASHRAE-34 ASME VIII unfired
  • Section 7 ASHRAE-15 ASME VIII fired
  • OSHA
  • Section 9 ASHRAE-15 ASME VIII unfired

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

  • 33
  • 50
  • 18
  • 22

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

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

8: What is not a requirement of a Class T machine room?

  • Self-closing doors
  • Automatic ventilation
  • Fire hose connected to the building fire protection system.
  • Tight fitting doors

9: How many gallons of water do you need per pound of ammonia?

  • 1
  • 100
  • 50
  • 10

10: What is an example of institutional occupancy?

  • Football stadium
  • Shopping mall
  • Hospital
  • Dorms

11: Single compound Refrigerants are classified by what two criteria?

  • Temperature range and hazardousness
  • Weight and color
  • Flammability and toxicity
  • Flammability and temperature range

12: Which refrigerant was still able to be vented to the atmosphere after July 1, 1992?

  • R-22
  • R-11
  • R-12
  • R-113

13: A declaration test is needed when the system contains more than

  • 120 lbs
  • 65 lbs
  • 55 lbs
  • 110 lbs

14: Direct systems using Group II refrigerants

  • shall be installed in Class T machinery rooms
  • shall be allowed to be used for human comfort.
  • shall be installed per instruction of the AHJ
  • shall not be used for air condition for human comfort

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

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

16: Large Mercantile occupancy is a premise or that portion of a premise where more than ____ persons congregate on levels above or below the street level to purchase personal merchandise.

  • 400
  • 350
  • 100
  • 250

17: Ammonia belongs to Group

  • A-1
  • B-2
  • B-1
  • A-2

18: How many different groups of refrigerants are there?

  • 3
  • 15
  • 7
  • 11

19: The Board of Boilers adopts by reference

  • MSCA Code
  • Montreal Protocol Safety Code
  • the MACS Pressure Vessel Code of Massachusetts
  • the 1997 ANSI/ASHRAE Safety Code

20: What happens after your initial inspection of a pressure vessel?

  • Notify the Fire Marshal that the system has been inspected and approved
  • Inspector leaves a metal tag with a certification listed on it
  • There is a temporary shut-down until a final inspection can be performed.
  • Notify the AHJ to let them know that the system been inspected

21: 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'
  • 8'4"
  • 9.00'

22: 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

23: High pressure controls should be set no higher than

  • 80% of set point
  • 10% of set point
  • 90% of set point
  • 25% of set point

24: How many gallons of water per pound of ammonia do you need?

  • 1
  • 15
  • 5
  • 20

25: Pressure vessels nameplate markings must be compliant with the

  • ASHRAE 34 Standards
  • CMR-588 & CMR-528
  • ASME Boiler and Pressure Vessel Code
  • All of the Above