ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: R-11 belongs to Group

  • B-1
  • B-3
  • A-1
  • A-2

2: What would be the classification of a church?

  • Large mercantile
  • Industrial
  • Place of assembly
  • Institutional

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

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

4: 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

  • boiler
  • outside the machinery room
  • evaporator
  • compressor

5: How many groups of refrigerants are there?

  • 1
  • 5
  • 7
  • 3

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

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

7: A High-Probability System

  • is such that a leak of refrigerant from a failed connection will enter the occupied space
  • is such that a leak of refrigerant from a failed connection will enter an unoccupied space
  • is such that any leak will cause injury or death to anyone within a 100 square foot area
  • is a system highly likely to leak form a failed connection or component of such system

8: Refrigerant systems containing Group I refrigerants can be installed in or on public stairways.

  • True
  • False

9: The pressure relief device of a positive displacement compressor shall discharge in the ______________or in accordance with 9.7.8

  • low side of the system
  • the vapor side of the system
  • high side of the system
  • the liquid side of the system

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

  • 10
  • 15
  • III
  • 25

11: Relief valves are rated in

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

12: When an inspection is needed, how often must it be done?

  • every 18 months
  • annually
  • every 24 months
  • every 36 months

13: Low temperature systems should have what?

  • High pour point
  • Low pour point
  • High viscosity
  • None of the above

14: What refrigerant has zero ozone depletion

  • HFC
  • CFC
  • HCFC
  • None of the above

15: What do you need to do when you install a new system?

  • Add refrigerant
  • Have it inspected
  • Document the superheat and subcooling reading
  • Insulate the suction line before you take a superheat reading

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

  • 1
  • 100
  • 50
  • 10

17: High pressure controls should be set no higher than

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

18: R-410A is classified as a ____ refrigerant on the safety matrix.

  • B-2
  • A-2
  • B-1
  • A-1

19: An evaporator coil located near heating coil shall have a pressure-relief device installed within ______ inches of the evaporator.

  • 48
  • 36
  • 24
  • 18

20: 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

21: Group A1 refrigerants over ____ pounds in a system must discharge to the atmosphere

  • 330
  • 110
  • 1,000
  • 6.6

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

  • mercantile
  • business
  • commercial
  • public assembly

23: How many flammability classifications are refrigerants in?

  • 5
  • 2
  • 7
  • 3

24: What is an example of institutional occupancy?

  • Football stadium
  • Hospital
  • Shopping mall
  • Dorms

25: The certificate of inspection

  • shall be $20 and an additional fee of $1 for each tone above 20 tons
  • shall be authorized by a notarized insurance company
  • shall be posted on the compressor shell or electrical panel at the unit
  • shall be posted and protected from dirt, water, and other elements