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Stationary Engineer Newest Updated Exam with accurate detailed solutions

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Stationary Engineer Newest Updated Exam with accurate detailed solutions

Institution
Station Engineer
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Station engineer

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Stationary Engineer Newest Updated Exam with ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




accurate detailed solutions ||\\//|| ||\\//||




How much clearance from the top of the boiler is needed for a HP boiler that produces
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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
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in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember%
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What is the total hardness in a system that was found to have calcium hardness of 60ppm
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and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - correct
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answer✔✔TH=(Ca x 2.5) + (Mg x 4.1)\nTH=(60 x 2.5) + (18 x 4.1)\nTH= 150+73.8 =( ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




223.8 PPM) ||\\//||




How often should a complete external inspection of the boiler be done? - correct
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answer✔✔Once a Shift ||\\//|| ||\\//||




With 24 hr operation how often do you check the water level? - correct answer✔✔Once per
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shift



How often do you check the LWCO? - correct answer✔✔Once per shift
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How often do you check the High Limit Switch? - correct answer✔✔Annually
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A 2" pipe was found to be delivering water at 100 psia at 1040ft per second. How many
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gallons per hour will it deliver? - correct answer✔✔GPM= V (diameter squared) divided by
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




.4085 ANSWER pg 469 BOG ||\\//|| ||\\//|| ||\\//|| ||\\//||

,What controls the amount of blowback on a safety valve? - correct answer✔✔Blowback
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ring or adjusting ring
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On a open air expansion tank hot water boiler system; how high should it be mounted? -
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correct answer✔✔(4 Feet ) above the highest heating element.
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What is the minimum top clearance of boilers with manholes? - correct answer✔✔5 feet
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Package boilers; steam heating boilers and hot water heating boilers shall have a minimum
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




clearance of? - correct answer✔✔2 feet from ceiling. Code chapter 10 page76 ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




Most important safety device on a boiler? - correct answer✔✔Safety relief valve
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What does a Black Liquor Boiler do? - correct answer✔✔Black Liquor is the by product of
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wood pulp processing in the paper making industry.
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What does Black liquor boiler known for? - correct answer✔✔Steam generation and
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recovery of soda ash ||\\//|| ||\\//|| ||\\//||




Maximum line voltage for control on a boiler? - correct answer✔✔150 volts ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




Under what code are boilers designed and constructed? - correct answer✔✔ASME- CSD 1
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How many low water cut offs are needed per code for a hot water system when a boiler has
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




inputs greater than 400,000 btu per hr - correct answer✔✔1 LWCO is needed.
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What is the minimum and maximum size for a safety valve per code for boilers? - correct
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answer✔✔Minimum 3/4" and Maximum 4 1/2" ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||

,What stamp is put on a boiler after repairs? - correct answer✔✔"R"
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




What is the equalizing system used for? - correct answer✔✔The equalizing system is for
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




warming up the steam lead. ||\\//|| ||\\//|| ||\\//|| ||\\//||




A blowdown valve is located at the lowest water space of a boiler for three purposes -
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correct answer✔✔1. to remove precipitated sludge or loose scale \n2. To permit rapid
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lowering of the boiler water if it has become too high accidentally \n3. As a means of ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




removing water from the boiler so that fresh water may be added to keep the concentration ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




of solids below the point where difficulties may be experienced.
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In the old power boiler which type of feed-water regulators were not used? - correct
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answer✔✔Electronic



After opening a boiler for repairs how much oxygen is needed? - correct answer✔✔19%
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What is the first thing you do when shutting down a boiler? - correct answer✔✔Turn off
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(extinguish fire) ||\\//||




What is the legal limit of acceptable asbestos particles ? - correct answer✔✔0.1 fibers per
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




cubic centimeter ||\\//||




What is CREEP? - correct answer✔✔Creep is defined as the slow deformation of material
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with time; with the deformation taking place at elevated temperatures with no increase in
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




stress.



What is the BTU content of Anthracite coal? - correct answer✔✔14000 btu/lb
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||

, What substance transfers electrical current in a photocell? - correct answer✔✔Electricity
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




will flow when the CADMIUM is exposed to sufficient light.
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What device acts as a check valve in both directions and keeps pumps primed? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




answer✔✔FOOT VALVES are used for pumps under suction pressure to prevent backflow ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




primed? on the suction line. ||\\//|| ||\\//|| ||\\//|| ||\\//||




What protects boilers from explosion in the furnace? - correct answer✔✔A flame guard
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system is an arrangement of flame detection system; interlocks; and relays which will sense
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the presence of a proper flame in a furnace and cause fuel to be shut off to the furnace if a
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hazardous condition develops (improper flame or combustion). ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




What size pipe is used as a header in a boiler operating at 100psi? - correct answer✔✔6
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inches



What device is used to measure flue gasses - correct answer✔✔The Orsat Analyzer
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




Which low water cut off does not have a mercury switch? - correct answer✔✔The
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




Submerged electrode type ||\\//|| ||\\//||




What is the btu output per lb of #4 fuel oil? - correct answer✔✔18
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




What substance is used for the electric transmission in an RTD? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




answer✔✔Platinum is used because of its stability at high temperatures ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




How much air is needed for the combustion of pulverized coal; gas; oil? - correct
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||




answer✔✔50% for coal and 10-30% for gas & oil ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||

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