Ohio stationary steam engineer |287 questions| with correct answers

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 point 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 ANSWER smoke consists of unburned hydrocarbons What is used to reduce SO2 emissions in coal fired boilers? CORRECT 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 indicates the boiler operator needs to _______ CORRECT ANSWER operate soot blowers What watertube boiler is the largest in size and steam-generating compacitity CORRECT ANSWER Utility watertube boiler the blowdown on a safety valve can be altered by changing the setting of the _____ CORRECT ANSWER huddling ring