Steam boiler operation Guías de estudio, Notas de estudios & Resúmenes

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answer...

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack te...

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...

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...

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 18ppm and carbon hardness of 12 ppm? Correct Answer TH=(Ca x 2.5) + (Mg x 4.1)nTH=(...

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...

water level on all boilers - When taking over a shift, the boiler operator must first check the _______. securing the feed water and allowing the water level in the boiler to drop - The low-water fuel cutoff can be tested by blowing down the low-water fuel cutoff or by _____. warmed up slowly - In order to prevent uneven expansion of the boiler on cold startup, the boiler must be _____. 15 psi - During startup, the boiler vent should remain open until a pressure of approximately _______ is...

CH12 Steam Boiler Operation Exam Questions And Answers...

MD Stationary Engineer Exam Questions with All Correct Answers 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 pitt...

When taking over a shift, the boiler operator must first check the ___. - water level on all boilers The low-water fuel cutoff can be tested by blowing down the low-water fuel cutoff or by ___. - securing the feedwater and allowing the water level in the boiler to drop In order to prevent uneven expansion of the boiler on cold startup, the boiler must be ___. - warmed up slowly During start up, the boiler vent should remain open until a pressure of ___ is reached. - 15 psi A safety valve c...