Topics: ASHRAE/CMR
1: What section of ASHRAE-15 governs pressure vessels?
- Section 6 ASHRAE-34 ASME VIII unfired
- Section 7 ASHRAE-15 ASME VIII fired
- Section 9 ASHRAE-15 ASME VIII unfired
- OSHA
2: 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
3: 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
4: The ____ design is the maximum pressure for which a specific part of a refrigeration system is designed.
- low pressure
- design pressure
- high pressure
- critical pressure
5: What type refrigerant is NOT ozone depleting?
- HCFC
- CFC
- Halon
- HFC
6: Name an HCFC refrigerant(s):
- R-22
- R-123
- R-11
- both a & b
7: A class A3 refrigerant is considered
- non-toxic and non-flammable
- toxic and non-flammable
- non-toxic but highly flammable
- toxic and somewhat flammable
8: Single compound Refrigerants are classified by what two criteria?
- Temperature range and hazardousness
- Weight and color
- Flammability and toxicity
- Flammability and temperature range
9: What type of pressure relief device is used on a CO2 system?
- Fusible plug
- Glove valve
- Gate valve
- Rupture disk
10: What is an example of institutional occupancy?
- Dorms
- Shopping mall
- Football stadium
- Hospital
11: A relief valve discharge capacity is rated in
- PSIG
- Pounds of air per minute.
- PSIA
- temperature minus pounds of air per second divided by release rate squared
12: What kind of material can't be used on the outlet of a relief valve?
- Stainless Steel
- PVC
- Copper
- Aluminum
13: Liquid level gauge glasses shall have automatic closing shut off valves, except Bull's eye or reflex type.
- True
- False
14: Low temperature systems should have what?
- High pour point
- Low pour point
- High viscosity
- None of the above
15: How far from the window does a relief valve need to be according to ASHRAE-15?
- At least 30'
- There is no minimum for relief valve and windows.
- At least 20'
- At least 40'
16: Machinery rooms shall be vented to _____________ and utilizing mechanical ventilation.
- Machinery rooms need not be vented
- the outdoors
- the mechanical room housing the refrigeration system
- the return air ducted system
17: Where must a refrigeration contractor's license number be displayed?
- Trucks, license plates, and uniforms
- Uniforms, checks, and invoices.
- Trucks, invoices, and advertising
- Truck, office, every job, and on all equipment
18: What is Trichlorotrifluoromethane?
- R-12
- R-13
- R-113
- R-11
19: NH3 is
- ammonia
- R-508A
- R-718
- lithium bromide
20: Who authorizes changes to the safety codes?
- Contractor who last serviced the system.
- Board of Boilers
- Person who pulled the permit
- Person in charge of the facility
21: What refrigerant has zero ozone depletion
- HFC
- CFC
- HCFC
- None of the above
22: Liquid level gauges must be provided with what?
- A red line
- A relief valve
- Automatic shut-offs
- A low level mark
23: What is the refrigerant chlorodifluoromethane?
- R-22
- R-134a
- R-123
- R-12
24: When must refrigeration system covered by the code be inspected?
- Not required
- Annually
- Annually and when installed
- Upon installation
25: What type of material can't be used on the outlet of a relief valve?
- PVC
- Stainless steel
- Magnesium alloy
- Copper