ASHRAE/CMR code Prep Quiz

Topics: ASHRAE/CMR

Quiz Result Settings

1: Institutional occupancy is

  • a premise or that portion of a premise where large numbers of people congregate and from which occupants cannot quickly vacate the space.
  • a premise or that portion of a premise from which, because they are disabled, debilitated, or confined, occupants cannot readily leave without the assistance of others.
  • a premise or that portion of a premise where people transact business, receive personal service, or purchase food and other goods.
  • None of the above

2: The main cause of enacting the "no vending rule" of July 1st 1992 was

  • global warming potential
  • ozone depletion
  • both a & b
  • None of the above

3: 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

4: A movie theater would be considered a

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

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

  • 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
  • Notify the Fire Marshal that the system has been inspected and approved
  • Inspector leaves a metal tag with a certification listed on it

6: A Low-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 can not enter the occupied space
  • is a system highly likely to leak form a failed connection or component of such system
  • is such that any leak will cause injury or death to anyone within a 100 square foot area

7: What type of relief valve is used on a CO2 system?

  • gate valve
  • fusible plug
  • glove disc
  • rupture disc

8: 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

9: How far from the window does a relief valve need to be according to ASHRAE-15?

  • At least 40'
  • At least 30'
  • At least 20'
  • There is no minimum for relief valve and windows.

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

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

11: The ASHRAE Standard 34 requires what type of alarm for equipment rooms using HCFC-123?

  • refrigerant sensing
  • CO Sensing
  • phosgene gas sening
  • A group sensing

12: What section governs pressure vessels?

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

13: Pressure vessels shall be provided with ___________in accordance with Section VIII of the ASME Boiler & Pressure Vessel Code

  • over pressure protection and a rupture disc
  • Pressure vessels need no type of protection as long as it is hydrostatically tested every three months
  • over pressure protection as well as a temperature protection device
  • over pressure protection

14: B3 refrigerants are considered

  • toxic but non-flammable
  • toxic and highly flammable
  • non-toxic but non-flammable
  • non-toxic but flammable

15: When should a relief valve start to function?

  • Two times it's working pressure
  • Before the purge station discharges
  • 10 psi before it's set pressure
  • At it's set pressure

16: A 3-cubic foot receiver must have what type of relief valve?

  • fusible plug
  • relief valve
  • rupture device
  • none of the above

17: What refrigerant has zero ozone depletion

  • HFC
  • CFC
  • HCFC
  • None of the above

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

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

19: Setting a pressure relief device shall not exceed ___ of the design pressure

  • 100%
  • 75%
  • 80%
  • 90%

20: What refrigerant were phased out in 2004?

  • R-12
  • R-11
  • R-134a
  • R-22

21: What is the refrigerant dichlorodifluoromethane?

  • R-12
  • R-22
  • R-134A
  • R-123

22: 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

23: A person holding a license as a refrigeration technician may connect or disconnect for the purpose of installation, repair, or replacement, any electrical device or control to be a part of a refrigeration or air conditioning system, from the

  • breaker panel in
  • 24 volt secondary side of the Class 2 transformer to the thermostat
  • first disconnect in
  • load-side of the contactor in

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

  • RSES
  • DOT
  • EPO
  • EPA

25: When a refrigerating machinery room is used, the emergency procedures shall be posted

  • on a conspicuous card located near the compressor
  • inside the room, immediately adjacent to each door
  • on a conspicuous card located near the evaporator
  • outside the room, immediately adjacent to each door