Sensible heat is Study guides, Class notes & Summaries

NYC - Final RMO Exam Questions And Answers The efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from a. Raising the condenser liquid level to the maximum b. lowering the chilled water set point. c. raising the condenser head pressure d. lowering the condenser pressure - ANS Lowering the condensing pressure The heat removed from the refrigerant in a condenser is a. sensible ...

NATE Air Conditioning and Heat Pump Study Questions and Answers 2023 A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only system should be within _____% of this calculated value. - ANSWER-+15% 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 calcul...

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...

At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212 degrees Fahrenheit into 1 lb of steam? a) 144 b) 180 c) 970 d) 1,190 - c) 970 Radiation is a) the movement of liquids or gases created by a temperature difference. b) the transfer of heat by direct molecular contact. c) the weight of a substance compared to unity. d) a form of heat transfer by waves. - d) a form of heat transfer by waves. Steam at 100 PSI and 400 degrees Fahrenheit is a) saturated. b) wet. c) supe...

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 fluid or air is called - ANSWER ☑☑Convection The movement of heat through a solid object is ca...

4A Power Engineering - Unit 2 - Elementary Physical, Chemical, and Thermodynamic Principles Latest Version Graded A+ The second law of Thermodynamics states: In order to transfer heat from a colder substance to a hotter substance,________________ must be supplied. External work To assure that air is properly vented from a heating or cooling coil: Supply water connection should be at the bottom of the coil. Saturated steam is: Steam at saturation temperature. In the steam tables,...

NATE Air Conditioning and Heat Pump Practice Questions with Complete Solutions Which of the following factors affects a customers level of comfort? - Correct Answer All of the above A cooling load calculation estimates the sensible heat gain of the structure. The cooling-only system should be within _____% of this calculated value. - Correct Answer +15% The maximum sensible cooling capacity of a heat pump should be within ______% of the calculated sensible heat gain of a structure with a ...

Heat which causes a change in temperature of a substance is called - Sensible Heat Heat added to a substance without a rise in temperature is called - Latent Heat Heat added to refrigerant in a vapor state after the evaporation process is called - Superheat A scroll compressor moved refrigerant by means of - Involute spirals The movement of heat by way of fluid is called - Convection The movement of heat through a solid object is called - Conduction The standard unit for measuring the quan...

Heat which causes a change in temperature of a substance is called - Sensible heat Heat added to a substance without a rise in temperature - Latent heat Heat added to the refrigerant in a vapor state after the evaporation process is called - Superheat Scroll compressor move refrigerant by - Involute Spirals The movement of heat by way of fluid is called - Convection The movement of heat by direct contact is - Conduction The standard unit for measuring the quantity of heat in a substance is...

List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Answer-The factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. - Answer-A refrigerant is used to transfer heat when it changes states. When liquid refrigerant evaporates into a vapor, heat is absorbed by the...