Rac 40 - Study guides, Class notes & Summaries

RAC 40 Quiz 7 Practice Study Guide Test 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. ...

RAC 40 Quiz 6 Prediction Exam Questions 2024. 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? - CORRECT ANSWER 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 - CORRECT ANSWER True A wall anchor is a one time fastener - CORRECT ANSWER False A pin rivet must be i...

RAC 40 Quiz 6 Correctly Answered 2024. 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? - CORRECT ANSWER 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 - CORRECT ANSWER True A wall anchor is a one time fastener - CORRECT ANSWER False A pin rivet must be instal...

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 - ...

RAC 40 QUIZ 5 Correct Answer Rated A+ 2024. The tool used to create pipe threads on the outside of a pipe is called a_________ - CORRECT ANSWER Die A(n) ___________ Is used to measure the amount of CO2 in flue products - CORRECT ANSWER CO2/O2 Indicator After brazing a joint in a very tight location, the technician would use a(n) __________ to determine if the joint is properly brazed. - CORRECT ANSWER Inspection mirror The dial type meter used to measure the pressure in heating unit f...

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...

RAC 40 Quiz 7 Correctly Answered & Verified 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...

RAC 40 Quiz 4 Review Study Guide Test 2024. When transferring refrigerants from a cylinder to a refrigeration system or any other container you should always wear ______. - CORRECT ANSWER Goggles with side shields and gloves A fusible plug is a metal fitting that has a hole drilled through it and the hole is filled with ______. - CORRECT ANSWER Material with a low melting point When it is necessary to perform electrical work in an area that has a damp or wet floor, which of the follow...

RAC 40 QUIZ 5 COMPLETE REVIEW EXAM QUESTIONS 2024. The tool used to create pipe threads on the outside of a pipe is called a_________ - CORRECT ANSWER Die A(n) ___________ Is used to measure the amount of CO2 in flue products - CORRECT ANSWER CO2/O2 Indicator After brazing a joint in a very tight location, the technician would use a(n) __________ to determine if the joint is properly brazed. - CORRECT ANSWER Inspection mirror The dial type meter used to measure the pressure in heating ...

RAC 40 Quiz 4 Correctly Answered 2024.When transferring refrigerants from a cylinder to a refrigeration system or any other container you should always wear ______. - CORRECT ANSWER Goggles with side shields and gloves A fusible plug is a metal fitting that has a hole drilled through it and the hole is filled with ______. - CORRECT ANSWER Material with a low melting point When it is necessary to perform electrical work in an area that has a damp or wet floor, which of the following can be...