A british thermal unit is - Study guides, Class notes & Summaries

Conservation of Energy Principle Correct Answer-During an interaction, energy can change from one form to another but the total amount of energy remains constant. i.e. Energy cannot be created or destroyed. First Law of Thermodynamics Correct Answer-The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic systems. The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from ...

Air Conditioning Certification Exam {CODE A-02} Test Questions With Revised Correct Answers <Guarantee Pass> Heat which causes a change in temperature is called - ANSWER : Sensible Heat Heat added to a substance without a rise in temperature is called - ANSWER : Latent Heat Heat added to the refrigerant in a vapor state after evaporation is called - ANSWER : Super Heat A scroll compressor moves refrigerant by means of a - ANSWER : Involute Spiral The movement of heat by f...

Pipe Fitter Test Exam 2024 What does TE in TE-601 stand for? - ANSWER-temperature element what does B.T.U stand for? - ANSWER-British Thermal Unit what is the boiling point of water? - ANSWER-212*F What is 3.1416? - ANSWER-Pi what is the circumference of a 15" pipe? (to the nearest tenth0 - ANSWER-47" 4" in the hundredths of a foot is? - ANSWER-.33 what is the take off for a 4" x 3" LR reducing 90* ell? - ANSWER-6"

CSN AC 110 Esco Exam Practice With 100% Correct Answers 2024 1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat - answerB. sensible heat 2. Heat added to a substance without a raise in temperature; (example: liquid refrigerant to gas) this process is called? A. latent heat of vaporization B. latent heat of fusion. C. superheat of vaporization D. superheat of fusion - answerA. latent heat of vaporization ...

501 HVAC Study Guide Questions and Answers 100% Solved 50 degrees centigrade equals 122 degrees F. (1.8 x C + 32F). An evaporator, generator, absorber, is a component of an absorption water chiller. A British Thermal Unit is the amount of heat required to change, one pound of water one degree Fahrenheit. A centrifugal compressor is basically a large capacity unit that handles large volumes of refrigerant. A common type of refrigerant control device used on centrifugal systems is? a hi...

HVAC FINAL Correct Questions & Answers(RateA_____is the quantity of heat required to raise the temperature of I lb of water |°F. - ANSWER British thermal unit (BTU) Comfor is typically attained at normal cooling and heating temperatures with a relative humidity of about _____% - ANSWER 50% _________is the movement of air through distribution systems and building spaces. - ANSWER Air circulation ___________is the variation of air temperature in a building space that occurs when warm air...

How does electrical service enter a building? - Answer-From the street via the electrical service entrance cable into the electrical main disconnect, where it can be shut off. From there it goes to the Distribution panel and gets sent through circuits to various outlets, where appliances can be plugged in. The electrical main disconnect is often incorporated into the distribution panel. When an electrical system has fuses in the distribution panel, each of these fuses must have the same __...

Nora Certification Questions with 100% Verified Correct Answers The final adjustment for most oil burners is? - Correct Answer Combustion air Dirt or lint build-up in the bevel of the fan blades will: - Correct Answer Reduce the amount of combustion air. To change the air ratio for different firing rates with an adjustable head burner you: - Correct Answer Adjust the position of the draw assembly in the air tube. One advantage of a high pressure burner is: - Correct Answer They enable ...

Heat which causes a change in temperature of a substance is called; - ans-sensible heat. Heat which causes a change in state of a material without a change in temperature is called; - ans-latent heat. Heat which is added to a vapor after the change of state occurs is called; - ans-superheat. Heat can travel by; - ans-conduction, convection, radiation. The movement of heat by way of fluid (or air) is called; - ans-convection . The movement of heat by direct cont...

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...