What is sensible heat - Study guides, Class notes & Summaries

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Answer-d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% - Answer-c (+15%) The maximum sensible cooling capacity of a heat pump shou...

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct 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. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...

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 ...

True or False: A one point increase in the HERS index represents an increase in energy efficiency? correct answersFalse A formula for calculating Heat Loss is: correct answersU x A x Delta T The HERS Standards were developed in collaboration between the DOE and the? correct answersMortgage Industry How many heating degree days (HDD) are there on a day when the high temperature is 78*F and the low is 46*F? correct answers3 HDD What is a possible difference b/w the rated home and the r...

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...

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,...

MA 2nd CLASS FIREMAN’S PRACTICE EXAM 106 QUESTIONS WITH VERIFIED ANSWERS GRADED A+ 2024/2025 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 Correct Answer: c) 970 What is required to raise the temperature of 1 lb of water from 32 degrees to 212 degrees Fahrenheit? a) 144 Btu b) 180 Btu c) 970.3 Btu d) Saturated heat Correct Answer: b) 180 Btu Increasing the pressure has what effect on ...

PSS EXAM 2 FINAL QUESTIONS & ANSWERS 2024/2025 What is the recipe of evolution? - ANSWERSVariation provides the raw materials (traits) Selection does the choosing Inheritability passes trait onto next generation What is a pest? - ANSWERSpurely anthropocentric viewpoint; → an organism or population of organisms that interacts with human populations in an antagonistic or negative way → pest outbreaks are largely the result of reduced complexity/diversity and domestication What i...

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...

GEOG 2050 Midterm Exam | Answered with complete solutions The temperature control that includes the heat capacity of a substance is A) movement B) specific heat C) cloud cover D) evaporation The land surface cools off more rapidly at night than water does because A) the amount of energy stored in the land is less than that stored in the water column B) the energy is stored in a shallow layer near the surface of the land, and so it can be radiated away faster C) all of these D) none of the abov...