Ohio stationary steam engineer Actual Exam Newest
Complete 280 Questions And Correct Detailed Answers|
Already Graded A+
Combustion efficiency may be increased by_____ the primary air - ans -
Preheating
What is the purpose of cinder reinjection? - ans -increase efficiency
2 forces of equal intensity acting in opposite directions is? - ans -tension
What is true about the dew poimt of flue gasses - ans -dew point is the temp at
which the gasses will condense
What will not cause high stack temps? - ans -plugged dry pipe
What is true about smoke - ans -smoke consists of unburned hydrocarbons
WHat is used to reduce SO2 emissions in coal fired boilers? - ans -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 _______ - ans -operate soot
blowers
What watertube bolier is the largest in size and steam-generating compacitity -
ans -Utility watertube boiler
the blowdown on a safety valve can be altered by changing the setting of the
_____ - ans -huddling ring
Copper and brass piping may be used for piping systems as long as the temp does
not exceed - ans -406 degrees
What is not measured in a 3 element feedwater system
-feedwater flow
,-drum pressure
-steam flow
-drum level - ans -drum pressure
If the flame in a gas-fired bolier is pulsating how can the problem be fixed? - ans -
increase furnace draft
Grindability of coal is an issue to be considered when operating which kid of coal-
burining equipment? - ans -ball-and-race pulvarizer
When using an induced draft fan, where will the strongest negative draft be found
- ans -at the inlet of the ID fan
How do you bank a fuel oil-fired boiler? - ans -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 - ans -it must readily
seperate oil and water
What supplies the oil to a large steam turbine during start-up - ans -aux oil pump
What device prevents the over-travel of the governor linkage that might be
caused by the weight of the governor components - ans -Dashpot
When taking a boiler out of service what should you not do - ans -close the vent
what type of turbine oil purification system periodically removes a potion of the
oil and replaces it with fresh oil? - ans -makeup oil system
what type of steam turbine system has steam take-offs prior to going into the
condenser? - ans -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 - ans -15 psi
, What grade fuel oil may be ignited by an electric spark from electrodes powered
by an ignition transformer? - ans -#2
what is the cheapest, easiest form of water treatment? - ans -heating the water
A turbine exhausts steam @ 15 psi. This steam is used in a low-pressure
application such as a deareator. this type of turbine is called a: - ans -back-
pressure turbine
At what temp should you add cooling water to a turbines bearings? - ans -110-120
degrees
What is produced from the reaction between sodium sulfite and oxygen? - ans -
sodium sulfate
What is the purpose of an attemperator - ans -reduce temp of superheated steam
by adding a water mist
What are the 2 main methods by which steam is prevented from leaking out
around the turbine shaft where the shaft exits the casing? - ans -labyrinth seals
and carbon rings
If the water in a boiler is foaming, the water level indication in the gauge glass will
be: - ans -erratic
Cast iron or ductile iron pipe is used for: - ans -underground water supply and
drainage
What is the maximum allowable level of dissolved solids in the steam being
supplied to a steam turbine? - ans -.1 ppm
If a boiler requires a second safety valve, the highest pressure setting on the
additional valve should not exceed the MAWP by more than - ans -3%
Steam is tapped off a turbine casing at several pressures for aux. uses in the
production plant. the steam is called: - ans -extraction steam
Complete 280 Questions And Correct Detailed Answers|
Already Graded A+
Combustion efficiency may be increased by_____ the primary air - ans -
Preheating
What is the purpose of cinder reinjection? - ans -increase efficiency
2 forces of equal intensity acting in opposite directions is? - ans -tension
What is true about the dew poimt of flue gasses - ans -dew point is the temp at
which the gasses will condense
What will not cause high stack temps? - ans -plugged dry pipe
What is true about smoke - ans -smoke consists of unburned hydrocarbons
WHat is used to reduce SO2 emissions in coal fired boilers? - ans -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 _______ - ans -operate soot
blowers
What watertube bolier is the largest in size and steam-generating compacitity -
ans -Utility watertube boiler
the blowdown on a safety valve can be altered by changing the setting of the
_____ - ans -huddling ring
Copper and brass piping may be used for piping systems as long as the temp does
not exceed - ans -406 degrees
What is not measured in a 3 element feedwater system
-feedwater flow
,-drum pressure
-steam flow
-drum level - ans -drum pressure
If the flame in a gas-fired bolier is pulsating how can the problem be fixed? - ans -
increase furnace draft
Grindability of coal is an issue to be considered when operating which kid of coal-
burining equipment? - ans -ball-and-race pulvarizer
When using an induced draft fan, where will the strongest negative draft be found
- ans -at the inlet of the ID fan
How do you bank a fuel oil-fired boiler? - ans -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 - ans -it must readily
seperate oil and water
What supplies the oil to a large steam turbine during start-up - ans -aux oil pump
What device prevents the over-travel of the governor linkage that might be
caused by the weight of the governor components - ans -Dashpot
When taking a boiler out of service what should you not do - ans -close the vent
what type of turbine oil purification system periodically removes a potion of the
oil and replaces it with fresh oil? - ans -makeup oil system
what type of steam turbine system has steam take-offs prior to going into the
condenser? - ans -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 - ans -15 psi
, What grade fuel oil may be ignited by an electric spark from electrodes powered
by an ignition transformer? - ans -#2
what is the cheapest, easiest form of water treatment? - ans -heating the water
A turbine exhausts steam @ 15 psi. This steam is used in a low-pressure
application such as a deareator. this type of turbine is called a: - ans -back-
pressure turbine
At what temp should you add cooling water to a turbines bearings? - ans -110-120
degrees
What is produced from the reaction between sodium sulfite and oxygen? - ans -
sodium sulfate
What is the purpose of an attemperator - ans -reduce temp of superheated steam
by adding a water mist
What are the 2 main methods by which steam is prevented from leaking out
around the turbine shaft where the shaft exits the casing? - ans -labyrinth seals
and carbon rings
If the water in a boiler is foaming, the water level indication in the gauge glass will
be: - ans -erratic
Cast iron or ductile iron pipe is used for: - ans -underground water supply and
drainage
What is the maximum allowable level of dissolved solids in the steam being
supplied to a steam turbine? - ans -.1 ppm
If a boiler requires a second safety valve, the highest pressure setting on the
additional valve should not exceed the MAWP by more than - ans -3%
Steam is tapped off a turbine casing at several pressures for aux. uses in the
production plant. the steam is called: - ans -extraction steam
