Ohio stationary steam engineer

Combustion efficiency may be increased by_____ the primary air - Answer-Preheating What is the purpose of cinder reinjection? - Answer-increase efficiency 2 forces of equal intensity acting in opposite directions is? - Answer-tension What is true about the dew poimt of flue gasses - Answer-dew point is the temp at which the gasses will condense What will not cause high stack temps? - Answer-plugged dry pipe What is true about smoke - Answer-smoke consists of unburned hydrocarbons WHat is used to reduce SO2 emissions in coal fired boilers? - Answer-Wet or dry scrubbers In a solid fuel fired boiler, a gradual increase in flue gas exit temps over a course of a shift inidicates the boiler operator needs to _______ - Answer-operate soot blowers What watertube bolier is the largest in size and steam-generating compacitity - Answer-Utility watertube boiler the blowdown on a safety valve can be altered by changing the setting of the _____ - Answerhuddling ring Copper and brass piping may be used for piping systems as long as the temp does not exceed - Answer-406 degrees What is not measured in a 3 element feedwater system -feedwater flow -drum pressure -steam flow -drum level - Answer-drum pressure If the flame in a gas-fired bolier is pulsating how can the problem be fixed? - Answer-increase furnace draft Grindability of coal is an issue to be considered when operating which kid of coal-burining equipment? - Answer-ball-and-race pulvarizer When using an induced draft fan, where will the strongest negative draft be found - Answer-at the inlet of the ID fan