Hvac 1 - Study guides, Class notes & Summaries

HVAC 124 ESCO Test 3 Questions and Answers 100% Solved Liquid slugging is: Liquid refrigerant in the compressor clearance space The clearance space in a reciprocating compressor: Has no effect on compressor capacity Which type of air conditioning compressors is the most energy efficient? Scroll The main function of the condenser is to: Remove heat from the refrigerant Refrigerant R-134A vapor enters the condenser at 124 psig 100F. It leaves the condenser at 80F. Its pressure wil drop...

Air Changes per Hour (ACH or ac/hr) - ️️the hourly ventilation rate divided by the volume of a space. for perfectly mixed air or laminar flow spaces, this is equal to the number of times that the volume the space is exchanged by mechanical and natural ventaliation Air Conditioner - ️️an appliance, system, or mechanism designed to dehumidify and extract heat from an area. usually this term is reserved for smaller self contained units such as a residential system Air Handling Unit (A...

Combustion air for an oil burner is provided by_____. correct answersa combustion air fan The output of the ignition transformer is_____. correct answers10,000 volts The primary control starts burner operation in response to a signal from the_____. correct answersroom thermostat When replacing an oil burner nozzle, always use a(n)_____. correct answersnozzle wrench

HVAC 105 Final Exam Questions And Answers With Verified Solutions

Deficiency A ________, in the reasonable judgment of the inspector, is a condition that adversely and materially affects the performance of a system, or component. Inspection Process of examining accessible items, and reporting their condition RESPA Prohibits abusive practices like undisclosed referral fees and kickbacks. Designed to help consumers become more knowledgeable of settlement services costs. Departure Provision The inspector may not inspect an item if the ...

HVAC 147 EPA #609 CERTIFICATION INTRO EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+HVAC 147 EPA #609 CERTIFICATION INTRO EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+HVAC 147 EPA #609 CERTIFICATION INTRO EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

HVAC TYPE 1 Questions with Complete Solutions

HVAC Test 1 Latest Update Graded A+ Absorption A refrigeration cycle where input energy is heat Adiabatic without gain or loss of heat Air Conditioning controlling air temperature humidity and quality Air Cooled Condenser a heat exchanger that transfers building heat to outdoor air Air Handler air moving equipment that can change air temperature humidity and quality BTU British thermal unit. 1 BTU will increase the temperature of 1 lb of water 1 degree F BTUH Rate of heat fl...

What is an SSU and what does it do? : It is a unit located on the side of the first which receives power (120 volts) before anything located within the furnace itself. It primarily consists of a switch and a fuse, and it is what allows for power to flow to the door switch. Opening the switch on the SSU will cut power to everything within the furnace. What is an OCPD? Describe its function in detail. : An OCPD is an Over-Current Protection Device, and it will protect conductors and equ...