STEAM ENGINEER COMPREHENSIVE
CERTIFICATION EVALUATION VERIFIED
QUESTIONS AND FULL SOLUTIONS
●● 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 _____
Answer: huddling 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
●● How do you bank a fuel oil-fired boiler?
Answer: turn off the fuel and air supplies, the re-light the burner as
necessary to maintain a predetermined minimum steam pressure
●● What is true about the lube oil used in a steam turbine
Answer: it must readily seperate oil and water
●● What supplies the oil to a large steam turbine during start-up
Answer: aux oil pump
, ●● What device prevents the over-travel of the governor linkage that
might be caused by the weight of the governor components
Answer: Dashpot
●● When taking a boiler out of service what should you not do
Answer: close the vent
●● what type of turbine oil purification system periodically removes a
potion of the oil and replaces it with fresh oil?
Answer: makeup oil system
●● what type of steam turbine system has steam take-offs prior to going
into the condenser?
Answer: extraction turbine
●● What is the pressure above which the exhaust side of a steam turbine
and the connected piping may be protected by either a safety valve or a
rupture disc, or a combination of the 2
Answer: 15 psi
●● What grade fuel oil may be ignited by an electric spark from
electrodes powered by an ignition transformer?
Answer: #2
CERTIFICATION EVALUATION VERIFIED
QUESTIONS AND FULL SOLUTIONS
●● 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 _____
Answer: huddling 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
●● How do you bank a fuel oil-fired boiler?
Answer: turn off the fuel and air supplies, the re-light the burner as
necessary to maintain a predetermined minimum steam pressure
●● What is true about the lube oil used in a steam turbine
Answer: it must readily seperate oil and water
●● What supplies the oil to a large steam turbine during start-up
Answer: aux oil pump
, ●● What device prevents the over-travel of the governor linkage that
might be caused by the weight of the governor components
Answer: Dashpot
●● When taking a boiler out of service what should you not do
Answer: close the vent
●● what type of turbine oil purification system periodically removes a
potion of the oil and replaces it with fresh oil?
Answer: makeup oil system
●● what type of steam turbine system has steam take-offs prior to going
into the condenser?
Answer: extraction turbine
●● What is the pressure above which the exhaust side of a steam turbine
and the connected piping may be protected by either a safety valve or a
rupture disc, or a combination of the 2
Answer: 15 psi
●● What grade fuel oil may be ignited by an electric spark from
electrodes powered by an ignition transformer?
Answer: #2
