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economics, entrepreneurship, and international business.1.2. Structure of Business ExamsBusiness exams are often a mix of theoretical knowledge and practical application. Depending on the
subject area, these exams can vary significantly
The compressor .
A) Changes a high-pressure vapor to a high-pressure liquid.
B) Changes a high-pressure liquid to a low pressure liquid.
C) changes a low-pressure vapor to a high-pressure vapor.
D) Changes a low-pressure liquid to a low-pressure vapor.
C) changes a low-pressure vapor to a high-pressure vapor.
The chlorine in CFCs and HCFCs;
A) Will rain out of the atmosphere.
B) Will not dissolve in water.
C) is heavier than air and cannot rise to the stratosphere.
D) Will dissolve in water.
B) Will not dissolve in water.
A single chlorine atom can destroy how many O-Zone molecules?
A) 100,000
B) 10,000
C) 1,000
D) 100
A) 100,000
A refrigerant cylinder designed to hold recovered refrigerant has a:
A) Yellow body and grey top.
B) Green body and yellow top.
C) Grey body and yellow top.
D) Orange body and grey top.
C) Grey body and yellow top.
Which of the following has the highest O-Zone depletion potential?
A) CFCs
B) HCFCs
,C) HFCs
D) HFOs
A) CFCs
Before shipping any used refrigerant cylinders, check that the cylinder meets what standards:
A) Department of transportation
B) Underwriters laboratories
C) The significant new alternatives policy (SNAP)
D) All of the above
A) department of transportation
What is the significant new alternative policy (SNAP) program?
A) covers only CFC and HCFC refrigerants Used in industrial process refrigeration.
B) EPA's program that identifies refrigerants with lower overall risks to human health and the
environment.
C) Covers only CFC and HCFC refrigerants used in residential air-conditioning.
D) relates to CFC and HCFC refrigerants used in commercial air conditioning.
B) EPA's program that identifies refrigerants with lower overall risks to humans health and the
environment.
Clean refrigerant for reuse by separating The oil from the refrigerant and removing moisture
from the refrigerant by passing it through one or more filter driers, is the definition of;
A) recover
B) recycle
C) reuse
D) reclaim
B) recycle
To process refrigerant to a level equal to new (virgin) product specifications as determined by
chemical analysis defines;
economics, entrepreneurship, and international business.1.2. Structure of Business ExamsBusiness exams are often a mix of theoretical knowledge and practical application. Depending on the
subject area, these exams can vary significantly
A) recovery
B) reclaiming
C) reuse
D) recycle
B) reclaiming
Which of the following refrigerant has a GWP of "1"?
A) R-22
,B) R-1233zd
C) R-410A
D) R-134a
B) R-1233zd
The molecule found in CFCs and HCFCs that depletes O-Zone is:
A) Fluorine
B) Chlorine
C) Hydrogen
D) Carbon
B) Chlorine
Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is
the proper disposal method for;
A) disposable cylinders
B) recovery cylinders
C) one pound cans
D) accumulator cylinders
A) disposable cylinders
The condenser .
economics, entrepreneurship, and international business.1.2. Structure of Business ExamsBusiness exams are often a mix of theoretical knowledge and practical application. Depending on the
subject area, these exams can vary significantly
A) Changes a high-pressure vapor to a high-pressure liquid.
B) Changes a low pressure liquid to a low pressure vapor.
C) changes a low-pressure vapor to a low-pressure liquid.
D) changes a high-pressure liquid to a low-pressure liquid.
A) Changes a high-pressure vapor to a high-pressure liquid.
An ozone molecule contains;
A) Four oxygen atoms
B) Three oxygen atoms
C) Two oxygen atoms
D) One oxygen atom
B) Three oxygen atoms.
The low-side test-pressure data-plate valve should be used by a technician to determine a safe
pressure for:
A) refrigerant charging
B) leak testing.
, C) recovering refrigerant
D) retrofitting a system
B) leak testing.
HCFCs contain;
A) hydrogen, fluorine, and olefin
B) hydrogen, chlorine, fluorine, and carbon
C) chlorine, fluorine, and carbon
D) hydrogen, fluorine, and carbon
B) hydrogen, chlorine, fluorine, and carbon.
Reusable refrigerant containers under high-pressure must be hydrostatically tested how often?
A) 1 year
B) 3 years
C) 5 years
D) 7 years
C) 5 years
economics, entrepreneurship, and international business.1.2. Structure of Business ExamsBusiness exams are often a mix of theoretical knowledge and practical application. Depending on the
subject area, these exams can vary significantly
Which type of refrigerant contains no chlorine?
A) CFCs
B) HCFCs
C) HCFC blends
D) HFCs
D) HFCs
Crop loss, Eye disease, and skin cancer have been attributed to;
A) Depletion of stratospheric ozone
B) Depletion of stratospheric nitrogen
C) Depletion of stratospheric chlorine monoxide
D) depletion of stratospheric oxygen
A) depletion of stratospheric ozone
Which ASHRAE classification mean slightly flammable?
A) A1
B) B1