Hvac refrigeration Study guides, Class notes & Summaries

HVAC Equipment Test with Complete Solutions Absorption Chiller UTILIZE A THERMAL OR CHEMICAL PROCESS TO PRODUCE REFRIGERATION EFFECT NECESSARY TO PROVIDE CHILLED WATER NOT VCR- NO MECHANICAL COMPRESSION Air Filter CLEANS THE AIR OF UNDESIRABLE ELEMENTS sound attenuating filters-reduce level of sound moving through ductwork Air Handing Unit (AHU) PREASSEMBLED OR SITE BUILT EQUIPMENT DEVICE CONTAINING COILS AND FANS THAT IS USED TO CONDITION AND CIRCULATE AIR AS PART OF AN HVAC SYSTE...

HVAC FINAL EXAM WITH COMPLETE SOLUTIONS Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure Correct Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: Removing heat from the room. The four types of cooling mechanisms are: Evaporative, Thermoelectric, Absorption, Mechanical Compres...

EPA Section 608 Core Questions and Answers | Latest Version | 2024/2025 | Already Passed What is the primary purpose of the Clean Air Act provisions related to refrigerants? A) To increase the production of refrigerants B) To promote the use of alternative energy sources C) To minimize the release of ozone-depleting substances D) To reduce emissions of ozone-depleting substances through the regulation of refrigerant handling What is the primary responsibility of a certified tec...

Residential HVAC Installation Exam Questions with Correct Answers Clearance tolerances are such that the ordinary clean refrigerant oil can be used satisfactorily in a vacuum pump. - Answer-false The maximum recommended pressure for leak testing is 150 psig on the low-pressure side of the system. - Answer-true Noncondensable gases ____. - Answer-are undesirable in a refrigeration system To pull a vacuum means to ____. - Answer-lower the pressure in a refrigeration system below atmosp...

HVAC BOMA Pre-Quiz Latest Version with Complete Solutions Two basic categories of chillers are the _____. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____. Circulation The primary function of an expansion device is to _____. All of the above (produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator and lower the boiling point of the refrigerant far enough below ...

HVAC EXAM 2024 WITH 100% ACCURATE SOLUTIONS Two locations where a cold air return should be installed - correct answer open area of a wall and low to the ground Which of the following is the law of thermodynamics? - correct answer heat moves toward a place with lower intensity Sensible heat describes - correct answer how hot something feels Latent heat is measured in - correct answer british thermal units What is the amount of heat energy required to evaporate 1 pound of water? ...

BPI Study Questions with All Correct Answers What does condenser do - Answer releases heat outside on AC unit If draft diverter, where test for CO - Answer in the vent upstream from the draft diverter What means about the same as the air barriar - Answer pressure boundary Mold can thrive on HVAC system where - Answer at diffuser grills Which potentially releases more moisture into home ppl or crawl - Answer crawl ACH natural for supertight insulated home - Answer less th...

Boma hvac Exam Questions With Verified Solutions What happens when room temperature soda is poured into a glass of ice ? - answerThe ice melts because it is absorbing heat from the soda . The compressor in a refrigeration system - answerpumps the refrigerant throughout the system To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . - answerpressure differential switch The total pressure of a confined mixture of gases is the sum of the pressures of...

HVAC S.T.A.R EXAM QUESTIONS AND ANSWERS 100% PASS The evaporator in a refrigeration system: - Correct Answer ️️ -Is the component where refrigerant boils and absorbs heat. The purpose of the compressor is to change ___________. - Correct Answer ️️ -Low- pressure, low-temperature vapor to a high-pressure, high temperature vapor A common refrigerant leak detection device is the: - Correct Answer ️️ -Halide torch. Copper-plating of compressor parts is: - Correct Answer ️️ -Ca...

BOMA HVAC Exam with Complete Solutions What happens when room temperature soda is poured into a glass of ice ? The ice melts because it is absorbing heat from the soda . The compressor in a refrigeration system pumps the refrigerant throughout the system To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . pressure differential switch The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mix...