Topics: ASHRAE/CMR
1: The certificate of inspection
- shall be posted and protected from dirt, water, and other elements
- shall be $20 and an additional fee of $1 for each tone above 20 tons
- shall be posted on the compressor shell or electrical panel at the unit
- shall be authorized by a notarized insurance company
2: What would be the classification for Stop & Shop grocery store?
- Place of assembly
- Instituional
- Industrial
- Large mercantile
3: Name a CFC refrigerant(s):
- R-11
- R-12
- R-123
- both a & b
4: 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
5: Class A refrigerants are considered
- non-flammable
- toxic
- non-toxic
- flammable
6: The total amount of refrigerant stored in a machinery room in all containers not provided with relief valves shall not exceed
- 330 lbs
- 500 lbs
- 55 lbs
- 660 lbs
7: When is the space above a drop ceiling calculated as space for refrigerant limit quantities?
- When there are sprinklers above
- When it's used as part of a supply or return air system
- When there is a space 6' or more above it
- When its white
8: How much refrigerant can be stored in a mechanical room outside of the system?
- 150
- 100
- 200
- 330
9: 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.
- 7.25'
- 9.00'
- 8'4"
- 7.00'
10: R-22 falls under which safety classification?
- B-1
- A-1
- A-2
- B-2
11: Pressure limiting devices are not required for systems containing less then ________ refrigerants.
- 6.6 lbs
- 13.9 lbs
- 44 lbs
- 22 lbs
12: A “U” or “UM” marking a on a nameplate of a pressure vessels signifies compliance with Section VIII of
- the ASME Boiler and Pressure Vessel Code
- Section 11.3.1.5 ASHRAE 15 Standard
- the ANSI Standard 10.7.2
- both the ANSI Standard 10.7.2 and ASHRAE 15 Standard 11.3.1.5
13: What kind of material can't be used on the outlet of a relief valve?
- Stainless Steel
- Aluminum
- PVC
- Copper
14: 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
15: How many refrigerant classifications are there for toxicity?
- 3
- 2
- 5
- 1
16: When should a relief valve start to function?
- Before the purge station discharges
- Two times it's working pressure
- At it's set pressure
- 10 psi before it's set pressure
17: Most CFC's are
- inert but toxic
- toxic
- inert
- flammable
18: A movie theater would be considered a
- mixed occupancy
- public assembly occupancy
- institutional occupancy
- commercial occupancy
19: Where must a refrigeration contractor's license number be displayed?
- Trucks, license plates, and uniforms
- Truck, office, every job, and on all equipment
- Uniforms, checks, and invoices.
- Trucks, invoices, and advertising
20: Where a refrigeration or air conditioning system is installed,
- The company who installed the system must notify the fire department in the jurisdiction where installed
- A field inspection shall be made before it is put into service
- it shall not be operated below prescribed pressuers
- the form or certificate shall be authorized by the Department of Public Safety
21: Refrigerant systems containing Group I refrigerants can be installed in or on public stairways.
- True
- False
22: Pressure vessels having design pressures of 15 psig or less shall have the strength to withstand at least ______times the design pressure.
- 2.5
- 3.0
- 2.0
- 5.5
23: Before you change the type of refrigerant in a refrigeration system, what three things must be done?
- Nothing must be done
- you can never change refrigerants
- Place sign, check for leaks, and insulate suction line
- Make sure its compatible, notify owner, and notify AHJ.
24: What is not a requirement of a class T machine room?
- tight fitting doors
- fire hose connection to the building fire protection system
- self-closing doors
- automatic ventilation
25: A professional or office building would be considered what type of occupancy?
- mercantile
- commercial
- public assembly
- business