Relief valves - Study guides, Class notes & Summaries

Hoisting License (full) questions and solutions What is the purpose of the 520: C.M.R. 6:00? to establish rules and regulations for the safety of the public What type of equipment requires a hoisting license? equipment that has minimum capability of hoisting the load higher than 10' feet or equipment that has the capability of lifting loads greater than 500 pounds or equipment that has capacity of the becket exceeds 1/4 cubic yard What does A.S.M.E. stand for? American Society ...

AN ENGINE BRAKE (JACOBS BRAKE) A. IS A SELF-ENERGIZING SERVO TYPE. B. IS NORMALLY USED IN PLACE OF A SPRING BRAKE. C. RESTRICTS THE INTAKE PORT AND CAUSES A BUILD UP OF 30-45 LBS OF PRESSURE. D. OPENS THE EXHAUST VALVES NEAR THE TOP OF THE COMPRESSION STROKE TO RELEASE THE COMPRESSED AIR. (CORRECT AWNSER) IN THE SYSTEM SHOWN BELOW, THE PART AT C IS: A. AN INVERSION VALVE. (POSSIBLE CORRECT AWNSER) B. A SAFETY VALVE. C. A MODULATOR VALVE. (NOT CORRECT AWNSER) D. A RELAY VALVE. ...

5th Class Power Engineering Questions And Answers All correct The boilers and pressure vessels act was put into place to protect: a) contractors b)owners c)employers d)employees e) the public - ANS e Which of the following codes have the Canadian jurisdictions adopted in reference to pressure vessel regulation? a)CBT V33 b)CBT V62 c)CSA B51 d)CSA B52 e)CSA B31 - ANS c If a piping system design is approved, a piping number is stamped on the design, such as PP-455-E-03-P. The ...

Certificate of Fitness for Citywide Sprinkler Systems (S-12) S-12 CITYWIDE SPRINKLER SYSTEMS, S12 sprinkler test Spring 2023. THE __________ IS RESPONSIBLE TO MAINTAIN SPRINKLER SYS. AND TO DETERMINE QUALIFICATIONS. RECORDS OF ALL INSPECTIONS AND MX SHALL BE MAINTAINED ON PREMISES FOR A MIN. OF __________ YEARS. THE BUILDING OWNER SHALL ASSIGN A(N) ____________ TO COMPLY WITH REQUIREMENTS. REGULAR MX AND MINOR REPAIRS NOT AFFECTING MORE THAN ________ FLOOR(S) ARE CONSIDERED PLANN...

Minnesota Special Engineer Boiler License Exam Prep (2023/2024 Update) | Questions and Verified Answers| 100% Correct Q: A feed water line must have what two valves? Answer: Check & stop Q: After a new boiler is installed, what must be performed? Answer: Hydrostatic test Q: All stationary boilers of what pressure must have 2 valves on the blow off line? Answer: 100psi Q: How is boiler efficiency calculated? Answer: Output divided by input Q:...

Automatic Standpipe System A standpipe system that is attached to a water supply capable of supplying the system demand at all times and that requires no action other than opening a hose valve to provide water at hose connections. Auxiliary water supply supplementary source of water for a standpipe and/or sprinkler system. Control Valve A valve controlling flow to water-based fire protection systems. Control valves do not include hose valves, inspector's test valves, drain valves, trim va...

For the purpose of rating boiler horsepower for an Engineers License only, how many square feet of boiler surface shall be equivalent to one boiler horsepower on a boiler? - ANSWER 10 Sq. Ft. Heating Surface What is meant by the term "Low Pressure Boiler"? - ANSWER Boilers operating at a steam or other vapor pressure of 15psig or less, or a hot water or other liquid boiler in which the pressure does not exceed 160 psig or a temperature of 250 degrees F. A person holding a current State ...

CTR 156CT Propane Final Exam Questions and Correct Answers If you see an "S" next to the date on a cylinder, that means the cylinder must be requalified _________ from that date. - ANSWER 10 years ____________ control the flow of propane through the piping system of a dispenser. - ANSWER Valves At room temperature, propane is in what state? - ANSWER Gas Make sure there are no ignition sources within _______ feet of the autogas filling area. - ANSWER ...

Nyc high pressure boiler license Exam Questions with Correct Answers The minimum blowdown for a spring loaded safety valve shall be of what percent of set pressure? - Answer-10% How is the main steam pressure gages tested? - Answer-With an inspectors gage Who is in charge of the code for any plumbing installations? - Answer-The nyc plumbing code When will anchorage or guides be inspected? - Answer-Annually How many brass washout plugs does a miniature boiler have? - Answer-3 brass wa...

BECC TEST 5 - QUESTIONS AND ANSWERS How often do you sample equipment using 2000 series oil? Daily What equipment is used to conduct a flash point test? NAVI flash LO purifier efficiency should be tested after starting and every thereafter? EOOW, 30 min. & 4 hours What provides a standardized oil analysis testing procedure for the Navy, Army, and Air Force? JOAP (Journal Oil Analysis Program) How long are LO logs kept on board? 2 years What is the purpose of the lube oil heater? Circulating ty...

A gate valve offer is very little resistance to flow went open, so it produces very little _______ correct answer: Pressure drop Gate valve should not be used to ______ correct answer: Throttle flow Enough gate valve is likely to be used in which of the following applications correct answer: Slurry or waste Which of the following valves is a rotary action valve? correct answer: Ball Which of the following valves is easily adapted to multiport construction correct answer: Plug ...

Pumping Apparatus Driver/Operator Handbook _____ pumps offer the maximum amount of flexibility Auxiliary engine-driven pumps Auxiliary engine-driven pumps used on ARFF apparatus and for trailer mounted applications tend to be large capacity pumps of up to 4,000 gpm or more These auxiliary engine-driven trailer mounts are powered by a full size diesel engines and are capable of _____ horsepower or more 500 horsepower In this arrangement, the pump is driven by a driveshaft that is connected to th...