
Understanding Pressure-Temperature Charts
Quiz
•
Architecture
•
10th Grade
•
Practice Problem
•
Medium
Lucas Neal
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a pressure-temperature (PT) chart provide in the HVACR industry?
The relationship between humidity and temperature
The pressure-temperature relationship of refrigerants
The energy efficiency of HVAC systems
The cost analysis of refrigerants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be present for the pressure-temperature relationship to match on a PT chart?
Gas
Liquid
Solid
Plasma
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a cylinder at 70°F contains liquid R-410A, what pressure will it have according to the PT chart?
150 psig
201 psig
250 psig
300 psig
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can be found by comparing the operating suction or high-side pressure for a refrigerant?
The refrigerant's color
The evaporator or condensing temperature
The refrigerant's weight
The refrigerant's chemical composition
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a use of a PT chart?
Determining the pressure of a refrigerant at a given temperature
Finding the temperature at which a refrigerant evaporates
Calculating the energy consumption of an HVAC system
Identifying the condensing temperature of a refrigerant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of saturation properties in a PT chart?
They determine the color of the refrigerant
They indicate the phase change points of the refrigerant
They show the refrigerant's density
They measure the refrigerant's toxicity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which refrigerant is mentioned in the context of a PT chart in the prompt?
R-22
R-134a
R-410A
R-1234yf
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