Vacuum gauge - Study guides, Class notes & Summaries

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...

Generally, vibration eliminators in piping should be installed: A: At a 45 degree angle B: At a 90 degree angle C: Perpendicular to the compressor crankshaft D: Parallel to the compressor crankshaft - D: Parallel to the compressor crankshaft If you purchased ten filter-driers for $100.00, what was the price of each filter-drier? A: $100.00 B: $10.00 C: $1.00 D: $1.10 - B: $10.00 Which of the following jobs requires safety glasses? A: Driving a vehicle B: Extending a ladder C: Brazing D: Pulling ...

P-98 / Supervise Fuel-Oil Transfer in Buildings Exam Combined Set Tests Questions & Revised Correct Answers The___________removes most contaminants from the oil before the oil reaches the burner's strainer - ANSWER : Oil filter The suction line has to be at least ______ inches from the bottom of the tank for sediments not to be absorbed. - ANSWER : 6 Excessive vacuum readings indicate that there is an obstruction in the suction line (such as dirty oil strainer). - ANSWER : T...

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...

Clearance tolerances are such that the ordinary clean refrigerant oil can be used satisfactorily in a vacuum pump. Ans: false The maximum recommended pressure for leak testing is 150 psig on the low-pressure side of the system. Ans: true Noncondensable gases ____. Ans: are undesirable in a refrigeration system To pull a vacuum means to ____. Ans: lower the pressure in a refrigeration system below atmospheric A(n) _ pressure could also mean refrigerant vapor is still seeping from the ...

Med Gas 84 Questions Latest Update with Verified Answers A ______ system is an assembly of equipment such as storage containers, pressure regulators, pressure relief devices, vaporizers, manifolds, and interconnecting piping that has a storage capacity of more than 20,000 cubic feet (at normal temperature and pressure), including unconnected reserves on hand at the site. a. Bulk oxygen b. High pressure maniifold c. Micro bulk d. Vacuum a A bulk cryogenic supply contains paralle...

What is gauge pressure plus atmospheric pressure? Correct Answer: Pounds per square inch absolute (PSIA) What is atmospheric pressure at sea level? Correct Answer: 14.7 PSIA What does a differential gauge measure? Correct Answer: Difference between 2 separate points. Known as PSID What does a duplex gauge measure? Correct Answer: Measures and displays pressure readings simultaneously from 2 points What does a vacuum gauge measure? Correct Answer: Measure pressure lower than atmospheri...

Pumper End of Course Questions and Answers 100% Solved A priming device works by: A. centripetal force B. creating a partial vacuum C. centrifugal force D. creating compression within a rotating chamber ️️CREATING a partial VACUUM The purpose of the gauge and flowmeter test is to: A. ensure that the fire apparatus is running at the same speed it was rated for when it was new B. check the overall condition of the engine C. check that the given discharge information is accurate wh...

2024 BACKFLOW PREVENTION ASSEMBLY TESTER TRAINING GA REAL EXAM WITH ALL 100 QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A(BRAND NEW!!) To prevent backflow, an atmospheric vacuum breaker is primarily designed to ____? A. Allow air into the outlet piping system B. Create an elevation loop above ground C. Introduce head loss D. Prevent backpressure E. Restrict velocity - ANSWER-Allow air into the outlet piping system Backsiphonage may occur when the pressure inside copper tubing is __...

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 ...