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

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...

What 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 emerge...

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...

2024 update DC Third testing Questions and Answers 100% Pass The component in which liquid vapor by absorbing heat is called? - Correct Answer ️️ - Evaporator Select the best answer electrical grounding method? - Correct Answer ️️ -Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? - Correct Answer ️️ -Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? - Correct Answer ️️ -30-70 What is the B...

High pressure boiler exam NYC License 2024 Questions and Answers Latent Heat of Vaporization - CORRECT ANSWER-970.3 Btu's Meaning of BTU - CORRECT ANSWER-British Thermal Unit At what PSI can the vent valve be closed when refilling a boiler - CORRECT ANSWER25 PSI What kind of Air controls combustion efficiency? - CORRECT ANSWER-Secondary Air Boiler main steam stop valves should be ____ valves. - CORRECT ANSWER-OSandY gate valves Forced draft and Induced draft are what kinds of draft - ...

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:...

What is a general requirement of the location of the installation of a boiler? - ANSWERSAdequate clearance from combustile construction What temperature must the materials remain under during combustion? - ANSWERS170 degrees What is a requirement for the access of the boiler? - ANSWERSAccess for operation and maintenance must not be hazardous What is required upon installation to operate a boiler? - ANSWERSInspection and test resulting in equipment use permit from commissioner How of...

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....

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...

What is a boiler Correct Answer a closed metal container (pressure vessel) which water is heated to produce steam or heated water What is steam Correct Answer the vapor that forms when water is heated to its boiling point When did the greatest impact of the use of steam power occur Correct Answer during the industrial revolution 18th and early 19th century Who invented the steam engine and when Correct Answer James Watt of Scotland in 1736 How is steam produced Correct Answer water i...