What is a steam boiler - Study guides, Class notes & Summaries

Special Engineers Exam A. 10 sq ft heating surface - correct answer For the purpose of rating boiler horsepower for an engineers license only, how many boiler square feet of boiler shall be equivilent to one boiler horsepower on a Boiler? A. 10 sq. ft. heating surface B. 5 sq. ft. heating surface C. 2.5 sq ft heating surface D. 20 sq ft heating surface B. Boilers operating at a steam or other vapor pressure of 15 psig or less, or a hot water or other liquid boiler that doesnt exceed 16...

MN Boiler License Questions With Complete Solutions Graded A+ a question an answer what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's c) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high a) Necessary to burn the combustible gases when ...

P-99 / Low PSI Oil Burner Operator Questions and Answers 100% Solved All heating, combustion, and cooking equipment shall be provided with insulation or the building construction shall be fire protected, so that during operation the surface of combustible construction materials will not be raised to a temperature higher than ____. 170 ̊F Acceptance tests: Boilers shall not be placed in operation upon completion of construction until they have been ____ and an equipment use permit has ...

Stationary Engineer NYC high pressure boiler license Exam Q&A A+ Graded How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - CORRECT ANSWER-7 feet On a gas fired boiler what is the proper gas to air mixture - CORRECT ANSWER-30%- 70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18...

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...

What is a return tubular boiler? correct answer: A return tubular boiler - the products of combusting passing through the tubes while the water surrounds the tubes. What is a water tube boiler? correct answer: A water tube boiler - water inside the tubes while the production of combustion passes around the tubes. How is the head of a B&W boiler stayed? correct answer: There are no stays Why are the tubes on a Sterling Boiler bent? correct answer: So they can enter the drum radially....

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:...

How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer- 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer- 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - Answer- TH=(Ca x 2.5) + (Mg x 4.1)nTH=(60 x 2.5) + (18...

MD Stationary Engineer Practice Questions and Answers Latest Updated 2024/2025 (100% Correct) Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ - Answer Formation of soot and smoke In the event of a flame failure, the programmer will______ - Answer Secure the fuel, purge the firebox, and then shut down Boil the water must be conditioned to prevent ______ (3 Answers) - Answer Formation of scale, oxygen pitting, carry...

Nyc high pressure boiler license exam with question and answers latest update 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 b...