How do environmental variables complicate HVACR testing?
A) Testing conditions, such as air pressure and temperature, can affect testing.
B) When completed, the tester must note testing conditions and type of HVACR testing.
C) Many types of HVACR testing, organizations, and standards exist.
D) Environmental conditions have little impact on testing.
[Ques. 2] How do industry organizations make it easier to compare testing results and rating for HVACR equipment?
A) Industry organizations state that there are too many standards in place to make testing results comparable.
B) Industry organizations use a set of guidelines that are determined by the individual states.
C) Industry organizations determine a set of standard conditions that make all HVACR testing results comparable.
D) Industry organizations simply follow guidelines that are determined by the U.S. government.
[Ques. 3] When the performances of systems are analyzed, it is necessary to:
A) Analyze the systems the same amount of time to ensure an accurate analysis.
B) Analyze the systems at the same location to ensure an accurate analysis.
C) Analyze the systems under the same conditions to ensure an accurate analysis.
D) Analyze the systems at the same time of day to ensure an accurate analysis.
[Ques. 4] A person riding in a car flies forward when the car comes to a sudden stop. What concept does this illustrate?
A) Mass B) Calibration C) Inertia D) Weight
[Ques. 5] What is the difference between the weight and mass of an object?
A) Weight is not affected by gravity.
B) Mass refers to an object's volume while weight measures the effect of gravity on an object.
C) Mass is not affected by gravity.
D) Mass and weight both refer to the same physical property.
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