Mawp - Study guides, Class notes & Summaries

The pressure at the base of a vertical foot of water is - Answer 0.433 psi. When performing a hydrostatic test, the pressure on the boiler should be increased to - Answer 1 ½ times the safety valve setting . A boiler steam pressure gauge should have a range of - Answer 1 ½ to 2 times the safety valve setting: The maximum size of the bottom blowdown line and the surface blowdown line is - Answer 2 1/2" During startup, the boiler vent should remain open until a pressure of -...

High Pressure Boilers Final Exam 2024 Q&A Boiler fittings are necessary for __________ - CORRECT ANSWER-- efficiency To prevent failure from pressure over the MAWP, all steam boilers must be equipped with at least one __________ - CORRECT ANSWER-- safety valve The purpose of a safety valve is to __________ - CORRECT ANSWER-- prevent the boiler from exceeding its MAWP Safety valves are designed to __________ - CORRECT ANSWER-- pop open When testing a safety valve manually, there must be...

Which valves are located between the boiler and the feedwater pump? - Feedwater Stop Valve and Feedwater Check Valve What is the function of the Check Valve? - To prevent the boiler pressure from forcing the boiler water back into a feedwater tank or deaerator when the pump shuts off. (Allows flow in only one direction) The 4 safety features required on a steam boiler is: - Safety Relief Valve, Blow Down Valve, Low Water Cut-off, Pressure Gauge Safety Relief Valves should be set by a: - Q...

1 The maximum blow down for a safety valve on a forced flow steam generator or high temperature water boiler shall be of what percent of the set pressure? - 10%. HP Code: 14-9.12 3 Who oversees the code for any plumbing installations? - The NYC Plumbing Code NYC Mech: 1002.1 4 When will anchorage or guides be inspected? - Annually. NYC Mech: 1210.3.1.2 5 How many brass washout plugs does a miniature boiler have? - Not less than 3 Brass Washout Plugs 1 inches in size. HP Code 14-11.5 ...

1 The maximum blow down for a safety valve on a forced flow steam generator or high temperature water boiler shall be of what percent of the set pressure? - Answer - 10%. HP Code: 14-9.12 3 Who oversees the code for any plumbing installations? - Answer - The NYC Plumbing Code NYC Mech: 1002.1 4 When will anchorage or guides be inspected? - Answer - Annually. NYC Mech: 1210.3.1.2 5 How many brass washout plugs does a miniature boiler have? - Answer - Not less than 3 Brass Washout Plugs 1 ...

Boiler License Question and answers 100% correct 2023/2024 When applying the 90% rule to the output of 500 HP, its output would be - correct answer 15525 pph A high pressure boiler can be used in a low pressure situation: - correct answer sometimes It takes BLANK BTUs to raise 5 pounds of water from 200 to 212 degrees F - correct answer 60 Minnesota Operators license are renewed every - correct answer 2 years The circumference of a circle with a radius of 3 inches is - correct answ...

NB Prep | 2023/24 QUESTIONS AND ANSWERS 1. Following a repair of a power boiler, what is the minimum metal temperature prior to the application of pressure test? a) 60° F (l5°C) b) 65°F (l8°C) c) 70° F (20°C) d) 75° F (24°C) - I. Answer: c) NBIC Part 3 Section 4 Paragraph 4.4.1 (a)(3) and ASME Section I - PG-99 2. After the alteration of a pressure vessel, the pressure test shall not exceed times the maximum allowable working pressure. a) 1 b) 1-1/4 c) 1 1/2 d) 2 - 2. Ans...

15 psi - Answer- A low pressure steam boiler has a maximum allowable working pressure (MAWP) of up to ___. One boiler horsepower - Answer- The evaporation of 34.5 lb of water/hr from and at a feedwater temperature of 212°F through the tubes - Answer- In a firetube boiler, the heat and gases of combustion pass ___. in high or low pressure plants - Answer- A firetube boiler may be used ___. a firetube boiler - Answer- Because of the large volume of water, the boiler most likely to cau...

Boiler CORRECT ANSWER-Closed Vessel used for heating water which generates steam through combustion of fuels or electricity. ASME CORRECT ANSWER-American Society Of Mechanical Engineers Low Pressure Boiler CORRECT ANSWER-(MAWP) 15 psi High Pressure boiler CORRECT ANSWER-Operates Over 15 psi Boiler Horsepower CORRECT ANSWER-Amount of energy needed to evaporate 34.5lb of water/ hr Fire tube Boiler CORRECT ANSWER-Gasses of combustion pass through tubes that are surrounded by water ...

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 joints inspected? - Weekly How long shou...