Latent heat transfer - Study guides, Revision notes & Summaries

RETA CARO Chapter 1 Exam Questions With Verified Solutions Purpose of a Refrigeration System Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing applications Ton of Refrigeration Rate BTUs transfer per unit time 288,000 BTUs/24 Hours 12,000 BTUs/12 Hours 200 BTUs/1 Minute rate of refrigeration or cooling Pressure Force per unit area. PSIA Absolute pressure; measures pressure from zero pressure PSIG Gauge pressure, uses atmo...

As defined in chapter 1 of this text the primary purpose of refrigeration system is - Answer-To maintain a temperature Operators must keep refrigeration systems operating safely and efficiently. Which of the following best describes the areas of required knowledge for this to be possible. - Answer-Basic physical principles, Inter-preparation of information from temperature and pressure gauges. Basic operating principles. Mechanical refrigeration is a series of steps that - Answer-moves hea...

LUOA 9th grade Science Final Exam 2024 Actual Questions and Answers Solved Correctly Most powerful substance to hold heat in atmosphere Water vapor How does carbon get into the atmosphere? Atmospheric carbon dioxide comes from two primary sources—natural and human activities. Natural sources of carbon dioxide include most animals, which exhale carbon dioxide as a waste product. Human activities that lead to carbon dioxide emissions come primarily from energy production, including burning...

NATE Air Conditioning and Heat Pump Exam Questions and Answers Updated (GRADED A+) The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a large heating load. - ANSWER- +25% The combined output of a heatpump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%. - ANSWER-15% What amount of auxiliary electronic heat is needed when the output of a heat pump on a design d...

environment - ANSWER natural factors that impact a bldg including the sun, wind, temp, etc Technology - ANSWER constructed factors including the bldg itself, HVAC and mechanical systems impact on building - ANSWER thermal behaviors/physics, comfort conservation equation - ANSWER defines the balance of flows and the change in an amount stored of some quantity of interest within some fixed volume conservation of mass - ANSWER mass is neither created nor destroyed conservation of ene...

HVAC EXAM QUESTIONS AND ANSWERS 100% SOLVED GRADED A+ LATEST UPDATE 2024 Heat Transfer Moves from one substance to another as well as between molecules of a substance, temperature is the driving force Temperature The level of heat or heat intensity, measured with thermometers Heat Is the motion of molecules, and travels from a warm substance to a cold substance Conduction Energy travelling from one molecule to another, involves direct contact Radiation Passes through air and heats the ...

HVAC Final Accurate Questions & Answers(Gradenvironment - ANSWER natural factors that impact a bldg including the sun, wind, temp, etc Technology - ANSWER constructed factors including the bldg itself, HVAC and mechanical systems impact on building - ANSWER thermal behaviors/physics, comfort conservation equation - ANSWER defines the balance of flows and the change in an amount stored of some quantity of interest within some fixed volume conservation of mass - ANSWER mass is neither ...

Which of the following best describes the statement shown below that appears in a typical home inspection report? "the water heater is in good condition for its age." - Conclusion Which of the following conditions would be least critical to your client's safety? - A pin hole inn the heat exchanger It is important to maintain a positive grade away from a structure of at least _____ inch drop per foot for the first six feet. - 1 The minimum run for a residential stair tread is: - 9 in St...

AC-HPAT Biology 2601 Midterm Exam #1 || All Questions & Answers (100% Correct) AC-HPAT Biology 2601 Midterm Exam #1 || All Questions & Answers (100% Correct) For one ectotherm, what should the sum of all heat inputs and outputs be? - ANSWER - The sum should be 0 - Radiation + Convection + Conductance + Latent Heat Exchange = 0 How do plants affect their leaf temperature? - ANSWER - Leaf colour alters radiation absorption, shape affects convection Where does ectotherm heat come from? - ...

HVAC Unit 1: Review Questions and Answers Rated A+ Temperature is defined as The level of heat State the standard conditions for water to boil at 212 degrees Farenheit Earth's atmosphere exerts a weight or pressure of 14.696 psi at sea level. List four types of temperature scales Fahrenheit, Celsius, Kelvin, Rankine Under standard conditions, water freezes at 0 degrees Celsius Molecular motion stops at -460 degrees Fahrenheit One British thermal unit will raise the tempera...