Rac 40 quiz 1 review - Study guides, Class notes & Summaries
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RAC 40 Quiz 1 Review - Questions and Answers
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RAC 40 Quiz 1 Review - Questions and Answers In ______ heat or hidden heat, heat is known to be added, but no temperature is noticed. Latent PSIA at sea level under standard conditions is 14.696 The two common temperature scales used by air conditioning and refrigeration technicians are called. Fahrenheit and Celsius The Fahrenheit absolute scale is called the Rankin scale Atmospheric pressure in inches of mercury (" Hg) decreases _____ per 1000 feet 1 Inch A gauge that reads 0 psi when opene...
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SOLUTION BUNDLE PACK OF RAC COMPLETE ACTUAL EXAM QUESTIONS 2024.
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DEVICE RAC COMPLETE ACTUAL EXAM QUESTIONS 2024.


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RAC 40 Quiz 2 Complete Study Guide Test 2024.


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RAC 40 Quiz 3 Review Semester 1 Exam 2024.


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RAC 40 Quiz 4 Correctly Answered 2024.


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RAC 40 QUIZ 5 COMPLETE REVIEW EXAM QUESTIONS 2024.


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RAC 40 Quiz 3 Review Semester 1 2024.
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RAC 40 Quiz 3 Review Semester 1 2024. 
 
 
The _____ compressor is another positive displacement compressor and is used for larger air conditioning and refrigeration applications. - CORRECT ANSWER Screw Compressor 
 
The four (4) major components of a vapor compression refrigeration system are the compressor, condenser, evaporator, and ________ ______. - CORRECT ANSWER Metering device 
 
The amount of heat a refrigerant contains with -40F as the 0 heat content reference point is called - CORRECT...
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RAC 40 Quiz 3 Review Semester 1 Exam 2024.
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RAC 40 Quiz 3 Review Semester 1 Exam 2024. 
The _____ compressor is another positive displacement compressor and is used for larger air conditioning and refrigeration applications. - CORRECT ANSWER Screw Compressor 
 
The four (4) major components of a vapor compression refrigeration system are the compressor, condenser, evaporator, and ________ ______. - CORRECT ANSWER Metering device 
 
The amount of heat a refrigerant contains with -40F as the 0 heat content reference point is called - CORREC...
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RAC 40 Quiz 2 Final Review Test 2024.
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RAC 40 Quiz 2 Final Review Test 2024. 
 
 
Boyle's law - CORRECT ANSWER P1 x V1 = P2 x V2 
 
Dalton's law - CORRECT ANSWER Ptotal = Psubstance 1 + Psubstance 2 
 
Charles' law - CORRECT ANSWER V1 / T1 = V2 / T2 
 
Specific Volume - CORRECT ANSWER ft3/lb 
 
Hp - CORRECT ANSWER 33000 ft-lb/min 
 
Specific Gravity - CORRECT ANSWER no units 
 
Density - CORRECT ANSWER lb/ft3 
 
1kW - CORRECT ANSWER 3413 Btu 
 
Work= - CORRECT ANSWER Force x Distance 
 
One watt of electrical energy is equal to - ...
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RAC 40 Quiz 7 Review Study Guide 2024.
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RAC 40 Quiz 7 Review Study Guide 2024. 
 
 
When soldering, flux should be applied to ________. - CORRECT ANSWER C. The male part of the joint only 
 
The size indicated for the diameter of copper tubing used for plumbing is the approximate __________. - CORRECT ANSWER C. Inside dimension 
 
When joining steel pipe, ___________ should be applied to the threads before connecting. - CORRECT ANSWER A. Pipe dope 
 
The maximum temp. at which soft solder is done is __________. - CORRECT ANSWER D. 842...
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RAC 40 Quiz 2 Review - Questions and Answers
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RAC 40 Quiz 2 Review - Questions and Answers Boyle's law P1 x V1 = P2 x V2 Dalton's law Ptotal = Psubstance 1 + Psubstance 2 Charles' law V1 / T1 = V2 / T2 Specific Volume ft3/lb Hp 33000 ft-lb/min Specific Gravity no units Density lb/ft3 1kW 3413 Btu Work= Force x Distance One watt of electrical energy is equal to 3.413 Btu The volume of gas varies inversely with the absolute pressure, provided the temperature remains constant. This is called ______ ___. Boyle's Law A solid material exert...
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RAC 40 Quiz 2 Review | Latest Version | 2024/2025 | Rated A+
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RAC 40 Quiz 2 Review | Latest Version | 
 
2024/2025 | Rated A+ 
 
What is specific gravity? 
 Specific gravity is the ratio of the density of a substance to the density of a reference 
substance (usually water for liquids). 
 
What does Boyle's Law state about pressure and volume in a gas? 
 Boyle's Law states that the pressure of a gas is inversely proportional to its volume when 
temperature is constant. 
 
What does Charles's Law state about temperature and volume in a gas? 
 Charles's L...
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RAC 40 Quiz 4 Review Questions | Latest Version | 2024/2025 | 100% Verified
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RAC 40 Quiz 4 Review Questions | 
Latest Version | 2024/2025 | 100% 
 
Verified 
 
What is the main property of a refrigerant that allows it to change from liquid to gas? 
The main property is its low boiling point, which allows it to evaporate and absorb heat at 
low temperatures. 
 
What is a common environmental concern associated with certain refrigerants? 
Certain refrigerants contribute to ozone depletion and global warming. 
 
What is the difference between a CFC and an HFC refrigerant? 
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RAC 40 Quiz 6 Review - Questions and Answers
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RAC 40 Quiz 6 Review - Questions and Answers When connecting stranded wire under a screw terminal (like a thermostat) what process should be used to ensure a secure and solid connection is obtained? Solder the end of the wire so all copper strands are binded together and no loose wires will fall out Nails are sometimes coated with zinc to protect them from corrosion True A wall anchor is a onetime fastener False A pin rivet must be installed in a properly sized, pre-drilled hole. True Perforat...
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