ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: Refrigeration devices shall be equipped with a ____ to protect against unexpected pressure due to a malfunction or fire?

  • Circuit Breaker
  • T&P device
  • Relief valve
  • Temperature limiter device

2: A hotel is considered a _______ occupancy.

  • mercantile
  • commercial
  • residential
  • institutional

3: copper and its alloys shall not be used in contact with _____ except as a component of bronze alloys for bearing or other non-refrigerant containing uses.

  • ammonia
  • Lithium bromide
  • CFC-11
  • HCFC-123

4: 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

5: 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

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

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

7: 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.

  • 350
  • 100
  • 250
  • 400

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

  • DOT
  • EPA
  • EPO
  • RSES

9: The main purpose of a refrigerant detector in a machinery room is to

  • inform there is a refrigerant leak int he system
  • detect toxins in the air caused by a refrigerant leak
  • to set off an alarm when there is refrigerant present inside the room
  • all of the above

10: Refrigeration piping before being buried shall be

  • leak tested
  • encased in pipe duct
  • pressure tested
  • All of the above

11: How much refrigerant can be stored in a mechanical room outside of the system?

  • 100
  • 330
  • 150
  • 200

12: It shall be the duty of the person in charge of the premises on which a refrigeration system containing more than ___ lbs of refrigerant is installed to provide a schematic drawing or panel giving directions for the operation of the system.

  • 55
  • 15
  • 50
  • 75

13: What would be the classification of a church?

  • Industrial
  • Large mercantile
  • Institutional
  • Place of assembly

14: Ammonia belongs to Group

  • B-2
  • A-2
  • A-1
  • B-1

15: 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

16: Liquid level gauges must be provided with what?

  • A relief valve
  • A low level mark
  • A red line
  • Automatic shut-offs

17: _____ and its alloys are suitable for use with ammonia systems.

  • Copper
  • Aluminum
  • Zinc
  • Magnesium

18: Which of the following is an inorganic refrigerant?

  • R-22
  • Ammonia
  • Chlorofluorocarbons
  • All of the above

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

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

20: What pipe can not be used for refrigeration?

  • L
  • M
  • K
  • N

21: pressure relief valves must discharge to the atmosphere at a location not less than 15 feet from ground level and ____ feet from any window, ventilation opening, or exits of buildings.

  • 10
  • 20
  • 15
  • 25

22: The discharge relief valve is located (9.4.6)

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

23: How much clearance do you need around the perimeter of electrical panels?

  • 24"
  • 36"
  • 12"
  • 18"

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

  • aluminum
  • zinc
  • magnesium
  • all of the above

25: Who approves containers for refrigerants?

  • E.P.A
  • D.O.T
  • D.O.E
  • D.O.D