Prv - Study guides, Class notes & Summaries
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A-35 SUPERVISION OF AIR COMPRESSORS (CITYWIDE) EXAM 2024
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A-35 SUPERVISION OF AIR COMPRESSORS (CITYWIDE) EXAM 2024 
 
 
An air compressor system is primarily used for? - correct answer Storing and making use of pressurized air 
 
When air is pressurized by an air compressor it? - correct answer Becomes heated 
 
The most commonly used air compressors is? - correct answer Reciprocating air compressor 
 
Unloading Valve - correct answer Allows air to escape from compression chamber, when there is a strain on the electrical motor. Strain usually occurs o...
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API 510 Closed Book Practice Exam Questions with Verified Answers
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API 510 says that widely scattered pitting can be ignored provided that the: remaining 
thickness is not less than 1/2 the minimum required thickness. 
Rupture disks are commonly used to protect a pressure relief valve from corrosive products. 
When repairs and alterations are being conducted, which individual or organization is 
responsible Repair Organization 
Which code provides requirements for Hot Tapping? API 2201 
Catalytic reformer vessels may have creep damage if the operating temperatu...
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EVIP Certification Exam Questions and CORRECT Answers
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Pivot point moving forward is on Trailing edge? - (F) PP on leading edge 
Who responds to LAR?(Limited access road) - WSDOT and WSP 
Oil Pressure must be between? - 20-60psi 
Wear bars on tire are made of? - Rubber 
PRV must be exercised how many times? Prime pump for how long? - Pumper Weekly 
Check (p10 8-3) 
Run PRV control valve 3x and prime pump for 15-30 second
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SYSTEMS - Engine Bleed Air 747 Exam Questions with Correct Answers
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Under what conditions would High Pressure (HP) air be used? (FCOM 2; 2.40.1) Correct Answer 1. Descent 
2. Other low power setting operations 
 
Under what conditions would intermediate pressure (IP) air be used? (FCOM 2; 2.40.1) Correct Answer High power setting operations 
 
The engine bleed air switches control which valves by system logic, when bleed air pressure is available? (FCOM 2; 2.40.1; 2.10.25) Correct Answer 1. Engine bleed air valve 
2. PRV 
3. HP bleed valve 
 
Describe the gener...
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Maine State Journeyman Exam Questions and Answers
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How many apprentices can a journeyman directly supervise? - Answer-2 
When performing any service work on a customers heating system the licensee must notify the 
homeowner of? - Answer-Efficiency and code violations 
Can a licensed journeyman perform a cleaning on wood/oil combination unit without direct supervision? 
- Answer-No 
When installing a furnace, direct wired water heater or boiler what must be done prior to placing it in 
service? - Answer-Everything complies with NFPA 31 code 
When...
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PART B - BOILER SAFETY DEVICES Exam Questions With Verified Answers
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PART B - BOILER SAFETY DEVICES 
Exam Questions With Verified Answers 
Pressure relief valve is a device designed to actuate on: 
a. outlet static pressure 
b. inlet static pressure 
c. inlet dynamic pressure 
d. outlet dynamic pressure - answerb 
As per ASME PTC-25, a PRV that may be actuated by pressure or temperature at valve inlet is a: 
a. safety relief valve 
b. safety valve 
c. temperature & pressure relief valve 
d. pressure relief valve - answerc 
A Relief Valve is a PRV characterized by...
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NYC High Pressure Boiler License
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NYC High Pressure Boiler License 
 
The minimum blowdown for a spring loaded safety valve shall be of what percent of set 
pressure? - 10% 
 
How is the main steam pressure gages tested? - With an inspectors gage 
 
Who is in charge of the code for any plumbing installations? - The nyc plumbing code 
 
When will anchorage or guides be inspected? - Annually 
 
How many brass washout plugs does a miniature boiler have? - 3 brass washout plugs, 1" in 
size 
 
How often is HP piping expansion joint...
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Povijest prvo test exam with correct answers 2024
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476 correct answers pad zapadnog rimskog carstva, Odoakar svrgnuo 
 
Kojom sw titulom okrunio Odoakar correct answers kralj Germana u Italiji 
 
Je li zapadno rimsko carstvo nepovratno propalo correct answers ne jer su se sacuvale sve magistrature te se sačuvala latinska titula rex 
 
Koja je titula postojala prije rexa correct answers imperator 
 
Vizigoti prije pada z.r. carstva correct answers isprva bili federati tj. vojnici koji slobodno žive u rimskom carstvu 
 
Gdje vizigoti idu na...
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API 510 Closed Book Practice Exam Graded A 2024
- Exam (elaborations) • 14 pages • 2024
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API 510 says that widely scattered pitting can be ignored provided that the: - remaining thickness is not less than 1/2 the minimum required thickness. 
 
Rupture disks are commonly used - to protect a pressure relief valve from corrosive products. 
 
When repairs and alterations are being conducted, which individual or organization is responsible - Repair Organization 
 
Which code provides requirements for Hot Tapping? - API 2201 
 
Catalytic reformer vessels may have creep damage if the opera...
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Journeyman Oil Maine Fuel Board Rules Questions And Answers With Complete Solutions
- Exam (elaborations) • 18 pages • 2024
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hat must you do if you notice code violations in a homeowners house? - Answer-Notify them and 
recommend ways to address them 
What must be done when performing an annual tune-up on a heating system? - Answer-A 
combustion efficiency test and a copy must be posted on site 
Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be 
brought into compliance with what requirements BEFORE appliance can be fired? - Answer-NFPA 31 
When an emergency arises...
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