Vacuum gauge Guías de estudio, Notas de estudios & Resúmenes
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EPA Section 608 Technician Certification Study Guide Questions And Answers
- Examen • 20 páginas • 2024
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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...
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(Answered) EPA SECTION 608 CORE (2021-2022 revision)
- Examen • 20 páginas • 2022
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EPA SECTION 608 CORE (2021-2022 revision) 
A disposable cylinder should be reduced to what pressure before scrapping? 
a. 0 psig 
b. 20 psig 
c. 50 psig 
d. 80 psig 
 
A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? 
a. Add R-22 after the repair is complete. 
b. Retrofit the unit to R-407C. 
c. Use recovered or recycled R-22 from the same 
owner. 
d. Top off the unit with R-410a. 
A refillable cylinder must not be filled above what ...
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Pumper End of Course Question and answers 100% correct 2023/2024
- Examen • 56 páginas • 2024
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Pumper End of Course Question and answers 100% correct 2023/2024A priming device works by: 
 
 
A. centripetal force 
 
B. creating a partial vacuum 
 
C. centrifugal force 
 
D. creating compression within a rotating chamber - correct answer CREATING a partial 
 
 
VACUUM 
 
The purpose of the gauge and flowmeter test is to: 
 
 
A. ensure that the fire a
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Backflow Prevention Practice Exam Questions and Answers 2024 Graded A.
- Examen • 34 páginas • 2024
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Backflow Prevention Practice Exam Questions and Answers 2024 Graded A. 
A backflow preventer creates a closed plumbing system that 
requires the installation of a(n) _____? 
A. Expansion tank 
B. Globe valve 
C. Pressure reducing valve 
D. Temperature and pressure relief valve 
E. Utility box key - ANSWER Expansion tank 
A barometric loop must be installed 35 ft (10.7 m) above the highest 
____? 
A. Boiler 
B. Fixture outlet 
C. Gate valve 
D. Service connection 
E. Water meter - ANSWER Fixture ...
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+)
- Examen • 13 páginas • 2024
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant 
What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mixtures whereas azeotropic blends are blends of two or more compounds that act like a single 
compound. 
What is the trait of a hygroscopic lubricant? CORRECT ANSWERIt absorbs (takes on) moisture 
What is temperature glide and...
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Becc Mod 2 Questions and Answers 100% Solved
- Examen • 16 páginas • 2024
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Becc Mod 2 Questions and Answers 
100% Solved 
What is gauge pressure plus atmospheric pressure? Pounds per square inch absolute (PSIA) 
What is atmospheric pressure at sea level? 14.7 PSIA 
What does a differential gauge measure? Difference between 2 separate points. Known as 
PSID 
What does a duplex gauge measure? Measures and displays pressure readings 
simultaneously from 2 points 
What does a vacuum gauge measure? Measure pressure lower than atmospheric pressure 
What does a compound gauge...
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EPA 608 Questions And Answers 100% Verified
- Examen • 43 páginas • 2023
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EPA 608 Questions And Answers 
100% Verified 
What are the typical uses of the center port of gauge set? - 
ANSWER Used during evacuation charging and recovery 
procedures. 
What color are the gauges on a manifold gauge set? - ANSWER 
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? - ANSWER High side is 0 to 
500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below 
atmospheric pressure. 
Is ...
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ASE A1- Engine Repair Test
- Examen • 36 páginas • 2024
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ASE A1- Engine Repair Test 
 
A compression test shows that one cylinder is too low. A leakage test on that cylinder shows that 
there is excessive leakage. During the test, air could be heard coming from the tailpipe. Which of 
the following could be the cause? 
A. Broken piston rings 
B. Bad head gasket 
C. Bad exhaust gasket 
D. An exhaust valve not seating - The correct answer is D. If an exhaust valve is not seating, 
air will leak from the combustion chamber by way of the valve out to the ...
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Backflow Prevention Practice Exam Questions and Answers 2024 Graded A.
- Examen • 34 páginas • 2024
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Backflow Prevention Practice Exam Questions and Answers 2024 Graded A. 
A backflow preventer creates a closed plumbing system that 
requires the installation of a(n) _____? 
A. Expansion tank 
B. Globe valve 
C. Pressure reducing valve 
D. Temperature and pressure relief valve 
E. Utility box key - ANSWER Expansion tank 
A barometric loop must be installed 35 ft (10.7 m) above the highest 
____? 
A. Boiler 
B. Fixture outlet 
C. Gate valve 
D. Service connection 
E. Water meter - ANSWER Fixture ...
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Z-51 Written Test (Tauris questions)
- Examen • 25 páginas • 2024
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Z-51 Written Test (Tauris questions) 
The total amount of heat to be removed from the refrigerant equals the heat picked up 
in the: 
A) Evaporator less the heat given up in the muffler. 
B) Evaporator plus the head of included non-condensables. 
C) Evaporator plus the heat of compression. 
D) Evaporator. - CORRECT ANSWER C) Evaporator plus the heat of compression. 
Select the INCORRECT statement regarding requirements of commercial cooking 
exhaust systems 
A) Company servicing the system mys...