Ton of refrigeration - Study guides, Class notes & Summaries

HVAC TEST QUESTIONS Two locations where a cold air return should be installed - open area of a wall and low to the ground Which of the following is the law of thermodynamics? - heat moves toward a place with lower intensity Sensible heat describes - how hot something feels Latent heat is measured in - british thermal units What is the amount of heat energy required to evaporate 1 pound of water? - 970 btu In an air conditioning system and refrigeration system, what occurs in ...

State the type of the Air Conditioning (AC) plants onboard. correct answers Six, 250-ton centrifugal chill water A/C plants that operate with R-114 type refrigerant. State the type of the refigeration plants and refrigeration units onboard. correct answers Two, 8-ton reciprocating plants that operate with R-134A type refigerant State the purpose of the following major components: Compressors correct answers Compresses refrigerant into a high pressure gas; moves refrigerant though the refri...

EPA 608 Type 3 exam with 100% Complete Solutions Latest 2024/2025 (Graded A+) On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process re...

EPA 608 Type 3 exam with 100% Complete Solutions Lates (Graded A+) On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeratio...

Two locations where a cold air return should be installed - Answer-open area of a wall and low to the ground Which of the following is the law of thermodynamics? - Answer-heat moves toward a place with lower intensity Sensible heat describes - Answer-how hot something feels Latent heat is measured in - Answer-british thermal units What is the amount of heat energy required to evaporate 1 pound of water? - Answer-970 btu In an air conditioning system and refrigeration system, what occurs i...

HVAC FINAL EXAM QUESTIONS AND ANSWERS ALL CORRECT.docx Which of the following would have the greatest effect on the heat content of the refrigerant? A)The refrigerant's humidity B)The refrigerant's state C)The refrigerant's temperature D)The refrigerant's pressure - Correct Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - Removing heat from the room. The four types of cooling mechanisms are: - Evaporative, Thermoelectric, Absorption, Mecha...

14.7 psia (pounds per square inch absolute) is _________. - Approximately 0 PSIG A 30 pound cylinder of reclaimed R-410A refrigerant has been stored over night at 70°F. What should be the approximate pressure in the cylinder? - 201 Psig A compound pressure gauge connects ___________. - to the low side of the system. A dirty evaporator and return air filters subsequently causes low evaporator pressures which will cause - High Compression Ratios A refrigerant release heat when __________. -...

EPA 608 Type 3 Exam Questions And Answers On low pressure chillers, moisture typically enters the refrigerant system through - ANS air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANS 10 psig Leak test and repair the chiller to reduce refrigerant loss from a purge unit on CFC-11 chiller - ANS ... A hydrostatic tube test kit is used to: - ANS determine if a tube leaks Commercial and industrial proce...

The Fahrenheit scale is based on boiling water at sea level at what temperature? A: 459 degrees B: 212 degrees C: 180 degrees D: 100 degrees - Answer-B: 212 degrees Zero pounds gauge corresponds on the absolute scale to: A: 144 B: 212 C: 14.7 D: zero - Answer-C: 14.7 Hidden heat in refrigeration work is referred to as: A: Intensity of heat B: Latent heat C: Heat a thermometer can "sense" D: Cold - Answer-B: Latent heatAbsolute zero on the Fahrenheit scale is: A: 459 degrees B: ...

A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ounces = 6 pound...