At 0 psig - Study guides, Class notes & Summaries

What are the typical uses of the center port of gauge set? - Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? - Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is the refrigerant leaving a condenser at a high or low pressure? Is it a liqui...

What are the typical uses of the center port of gauge set? - Used during evacuation charging and recovery procedures. What color are the gauges on a manifold gauge set? - Low pressure is blue High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. Is the refrigerant leaving a condenser at a high or low pressure? Is it a l...

EPA Section 608 Technician Certification Study Guide Questions And Answers` What are the typical uses of the center port of a gauge set? - Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? - Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric press...

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 ...

15 CORRECT ANSWER-A low pressure steam boiler has a MAWP of ___ psi. boiling point? CORRECT ANSWER-The higher the steam pressure, the higher the ___ of the water in the boiler. one boiler horsepower CORRECT ANSWER-___ is the amount of energy equal to the evaporation of 34.5 lb of water/hr from and at a feedwater temp of 212F. 338 CORRECT ANSWER-When a steam boiler is operating at 100 pounds per square inch gauge pressure (psig), the temp of the water and steam will be approx. ___F. f...

Identify the pressure corresponding to 32 degrees F for R-123: ________. a) 23 inches of Hg vacuum b) 20 inches of Hg vacuum c) 17 inches of Hg vacuum d) 11 inches of Hg vacuum - CORRECT ANSWER b) 20 inches of Hg vacuum A hydrostatic tube test kit is used to: _________. a) blow all water from the tubes b) remove any water from the machine c) vent refrigerant d) determine if a tube leaks - CORRECT ANSWER d) determine if a tube leaks Excessive running of a purge system ...

What is the movement of heat through space called? : Radiation A refrigerant release heat when : It condenses Why is it desirable for refrigerant in the suction line to be slightly superheated? : To insure liquid refrigerant does not enter the compressor A 30 pound cylinder of reclaimed R-22 refrigerant has been stored over night at 70 degrees F. What should be the approximate pressure in the cylinder? : 121 psig 2 14.7 psia( pouds per square inch absolute) is : Approximately 0 PSIG ...

Identify the pressure corresponding to 32 degrees F for R-123: ________. a) 23 inches of Hg vacuum b) 20 inches of Hg vacuum c) 17 inches of Hg vacuum d) 11 inches of Hg vacuum - CORRECT ANSWER b) 20 inches of Hg vacuum A hydrostatic tube test kit is used to: _________. a) blow all water from the tubes b) remove any water from the machine c) vent refrigerant d) determine if a tube leaks - CORRECT ANSWER d) determine if a tube leaks Excessive running of a purge system ...

EPA 608 Type 3 exam with 100% Complete Solutions (Latest 2024/2025)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 repaired when the leak rate exceeds ____ of the charge per year. 35% Refrigerant recovery typically start with ...

Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - Correct answer-recovery and recycling. Refrigerant that is recovered can be returned to: - - Correct answer-the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed...