stationary steam engineer

Combustion efficiency may be increased by_____ the primary air correct answer: Preheating What is the purpose of cinder reinjection? correct answer: increase efficiency 2 forces of equal intensity acting in opposite directions is? correct answer: tension What is true about the dew poimt of flue gasses correct answer: dew point is the temp at which the gasses will condense What will not cause high stack temps? correct answer: plugged dry pipe What is true about smoke correct a...

what is used to keep SO2 down? correct answer: wet and dry scrubbers a wet scrubber that has been maintained properly has the capability of absorbing ______% of the SO2 in the flue gas correct answer: 90% Materials of construction of a flue gas scrubber system must be selected to resist what hostile conditions? correct answer: low pH conditions and abrasion the efficiency of a spray pond or cooling tower is based on? correct answer: wet bulb temperature or relative humidity of the a...

Maximum Allowable Working Pressure (MAWP) (MAWP)= Tensile Strength (TS) • Thickness (t) • Efficiency of welds, joints, etc. (E) / Rate (R) • Factor of Safety (FS) Coal Consumption on a Chain Grate Stoker Consumption = Width of Grate bed • Speed of Grates • Depth of Fuel Bed • BTU's in 1 . Of Coal / 2000 Boiler Horsepower (BHP) BHP = (lb.Steam/hour) • Factor of Evaporation / 34.5 lb.Steam / Boiler HP Chloride in Boiler Feedwater Chloride = Boiler Feedwater / Co...