Stationary Engineer Exam Questions and Answers 100% Pass
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Stationary Engineer
Stationary Engineer Exam Questions and
Answers 100% Pass
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 i...
stationary engineer exam questions and answers 100
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Stationary engineer
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EmilyCharlene
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Stationary Engineer Exam Questions and Answers 100% Pass How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Correc t 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=(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 Answer ✔️✔️-Once a Shift With 24 hr operation how often do you check the water level? - Correct Answer ✔️✔️-
Once per shift How often do you check the LWCO? - Correct Answer ✔️✔️-Once per shift How often do you check the High Limit Switc h? - Correct Answer ✔️✔️-Annually A 2" pipe was found to be delivering water at 100 psia at 1040ft per second. How many gallons per hour will it deliver? - Correct Answer ✔️✔️-GPM= V (diameter squared) divided by .4085 ANSWER pg 469 BOG What controls the a mount of blowback on a safety valve? - Correct Answer ✔️✔️-
Blowback ring or adjusting ring On a open air expansion tank hot water boiler system; how high should it be mounted? - Correct Answer ✔️✔️-(4 Feet ) above the highest heating element. What is the minimum top clearance of boilers with manholes? - Correct Answer ✔️✔️-5 feet 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 page 76 Most important safety device on a boiler? - Correct Answer ✔️✔️-Safety relief valve What does a Black Liquor Boiler do? - Correct Answer ✔️✔️-Black Liquor is the by product of wood pulp processing in the paper making industry. What does Black liquor boi ler known for? - Correct Answer ✔️✔️-Steam generation and 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 How many lo w 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. What is the minimum and maximum size for a safety valve per code for boilers? - Correct 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 - Correct Answer ✔️✔️-1. to remove precipitated sludge or loose scale \n2. To permit rapid lowering of the boiler water if it has become too high accidentally \n3. As a means of removing water from the boi ler so that fresh water may be added to keep the concentration of solids below the point where difficulties may be experienced. In the old power boiler which type of feed -water regulators were not used? - Correct Answer ✔️✔️-Electronic After opening a boil er for repairs how much oxygen is needed? - Correct Answer ✔️✔️-
19% What is the first thing you do when shutting down a boiler? - Correct Answer ✔️✔️-Turn off (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 with time; with the deformation taking place at elevated temperatures with no increase in stress. What is the BTU content of Anthrac ite 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. What device acts as a check valve in both directions and k eeps 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 system is an arrangemen t of flame detection system; interlocks; and relays which will sense the presence of a proper flame in a furnace and cause fuel to be shut off to the furnace if a hazardous condition develops (improper flame or combustion). What size pipe is used as a head er in a boiler operating at 100psi? - Correct Answer ✔️✔️-6 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 typ e 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 com bustion of pulverized coal; gas; oil? - Correct Answer ✔️✔️-50% for coal and 10-30% for gas & oil In old power boilers which type of feedwater regulators were not used? \n(A) hydraulic \n(B) float \n(C) thermostatic expansion \n(D) electronic - Correct Ans wer ✔️✔️-ANSWER D electronic/electro -magnetic What is hard forming scale? - Correct Answer ✔️✔️-Silica
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