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...

Boilermaker NCCR Test Questions And Answers Boilermaker NCCR Test 1 ft 3-3/4 in + 2 ft 1-1/16 in +5 ft 10- 7/8 in = - ANS 9 ft 3-11/16 in A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 PSI? - ANS Acetylene is unstable above this pressure A big control valve is pulled who is responsible for the rigging? - ANS Crane operator and rigger A boiler maker must have all of the following wh...

_________ are necessary for complete combustion - Correct Answer-time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - Correct Answer-214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi - Correct Answer-12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator - Correct Answer-steam turbine a b...

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 ...

_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a boiler is produci...

_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a boiler is produci...

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 are the four main systems of a steam boiler? CORRECT ANSWER-Fuel, Draft, Feedwater, and Steam What is the first thing an operator should do when entering a steam boiler room? CORRECT ANSWER-Check the water level of the boiler(s) Describe the design of a firetube boiler CORRECT ANSWER-Fire inside the tubes, surrounded by water What is the primary purpose of Low Water Fuel Cut-Off (LWCO)? CORRECT ANSWER-Shut off the fuel supply to the boiler in the event of low water How often sho...

_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a b...

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 whe...