One ton of refrigeration Study guides, Class notes & Summaries

RI Journeyman's Refrigeration License Exam Questions With Verified Solutions. The temperature scale that freezes water at 32 deg. and boils water at 212 deg. is known as the ___________ scale - answerFahrenheit The temperature scale that freezes water at 0 deg. and boils water at 100 deg. is known as the __________ scale. - answerCentigrade The definition of specific heat is _______________________ - answerthe amount of heat required to raise 1 lb of a substance 1 deg. F. The definition ...

Z-51 Written Exam Questions and Complete Solutions In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft. - Answer: D) Maintain axial positioning of the rotor shaft. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature is A) partial pressure....

rn ,thermal burn ,respiratory burn Ammonia causes cancer - answerFalse If ammonia, in liquid form, makes its way in to the eyes There is usually damage that is non- reversible resulting in blindness - answerTrue Most MSDS sheets require a rinse flush to the body eyes for a minimum of how many minutes when dealing with the chemical Donya ammonia. - answer15 minutes , 30 minutes Do you ever want to put liquid water on liquid ammonia when the refrigerant is that atmospheric conditions - answ...

EPA 608 Type 3 Questions and Answers Already Passed 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 refrigeration systems must be rep...

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. ...

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 ...

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...

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...

1% concentration of ammonia is equal to what in parts per million - Answer-10,000 ppm 1/2 % of ammonia is it deadly concentration - Answer-True (5,000)ppm Ammonia is what on the pH scale - Answer-11.6 More than 100 pounds release of NH3 in 24 hours is a reportable for release . - Answer-True There are four primary types of injury with exposure to liquid ammonia. Please list all 4 - AnswerDehydration burn ,chemical burn ,thermal burn ,respiratory burn Ammonia causes cancer - Answer-False If...

How are temperature and heat related? - ANSWER-Temperature is a measure of the intensity of the heat in an object The amount of heat required to change the temperature of one pound of water one-degree Farenheit defines - ANSWER-a BTU What is one ton of refrigeration equal to? - ANSWER-The rate of moving 288,000 BTUs per 24hrs The boiling temperature of a liquid can be changed by - ANSWER-changing the pressure on the liquid