Latent heat - Study guides, Class notes & Summaries

110. Water and moisture is a serious problem in a refrigerant system, how to avoid: A. Use of fins in refrigerant line B. Proper evacuation at the charging of the system C. Proper handling of refrigerant and oil to avoid exposure to mixture D. Use of high viscosity oil in the connection - Answer-B. Proper evacuation at the charging of the system 111. The most important requirements for a good evaporator is that: A. Air or liquid refrigerant can be used as required by the medium b...

CSN AC 110 Esco Exam Practice Questions and Answers 100% Solved 1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat ️️B. 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 ️️A. latent heat of vaporization...

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...

The temperature scale that freezes water at 32 deg. and boils water at 212 deg. is known as the ___________ scale o :## Fahrenheit The temperature scale that freezes water at 0 deg. and boils water at 100 deg. is known as the __________ scale. o :## Centigrade The definition of specific heat is _______________________ o :## the amount of heat required to raise 1 lb of a substance 1 deg. F. The definition of sensible heat is ______ o :## the heat that can be measured by a thermometer. ...

Z-51 REFRIGERATION TEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+ Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more efficient centrifugal compressor operation results from: - CORRECT ANSWER Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: - CORRECT ANSWER Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of ...

When water condenses, latent heat is ___________ (absorbed/released) to the surroundings correct answersreleased When ice melts, latent heat is ___________ (absorbed/released) by the water molecules correct answersabsorbed Energy absorbed by evaporating water molecules is called correct answerslatent heat Choose the correct order for the physical states of water, from the one having the least amount of latent heat to the one having the most amount of latent heat correct answerssolid (ic...

Fire Apparatus Driver-Operator - Pumper Module 4 Questions and Answers Fully Solved One gallon of water weighs? 8.33 lbs Water freeze and boil temperatures? Freezes: 32° F Boils: 212° F Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:11 / 0:15 Full screen Brainpower Read More Water expansion ratio at 500° F. 1,700 to 1 Law of Specific Heat Ability of any substance to absorb heat. Water is the standard for measuring specific heat a...

Which of the following is an example of a loss of latent heat? a. steam condenses b. water evaporates c. ice melts d. refrigerant evaporates - Answer a Heat that causes an increase in temperature is called _____ heat. a. radiant b. sensible c. latent d. convective - Answer b The saturation temperature of a refrigerant is the same as it's: a. boiling point b. freezing point c. saturation pressure d. fire point - Answer a When a liquid evaporates, it: a. gains sensible...

WX 201 Exam 1 |Complete And Graded A+ Permanent Gases in the Atmosphere Constant concentration in the atmosphere 78% Nitrogen, 21% Oxygen, 1% Other Gases: Argon, Neon, Helium, Krypton, Hydrogen Variable Gases in the Atmosphere The amount/concentration in the atmosphere varies or changes Includes: Water Vapor, Carbon Dioxide, Methane, and Ozone Sources produce gases Ex: decaying plants/animals, volcanoes, photosynthesis Sinks deplete (remove) gases Ex: soil bacteria, resp...

WX 201 - Exam #1 Questions and Answers Permanent Gases in the Atmosphere Constant concentration in the atmosphere 78% Nitrogen, 21% Oxygen, 1% Other Gases: Argon, Neon, Helium, Krypton, Hydrogen Variable Gases in the Atmosphere The amount/concentration in the atmosphere varies or changes Includes: Water Vapor, Carbon Dioxide, Methane, and Ozone Sources produce gases Ex: decaying plants/animals, volcanoes, photosynthesis Sinks deplete (remove) gases Ex: soil bacteria, resp...