Ohio stationary steam engineer Exam | All Questions
and Correct Answers | Graded A+ | Verified Answers |
Just Released
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
_____ - (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
what is the cheapest, easiest form of water treatment? - (ANSWER)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: - (ANSWER)back-
pressure turbine
At what temp should you add cooling water to a turbines bearings? -
(ANSWER)110-120 degrees
What is produced from the reaction between sodium sulfite and oxygen? -
(ANSWER)sodium sulfate
What is the purpose of an attemperator - (ANSWER)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? - (ANSWER)labyrinth
seals and carbon rings
and Correct Answers | Graded A+ | Verified Answers |
Just Released
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
_____ - (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
what is the cheapest, easiest form of water treatment? - (ANSWER)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: - (ANSWER)back-
pressure turbine
At what temp should you add cooling water to a turbines bearings? -
(ANSWER)110-120 degrees
What is produced from the reaction between sodium sulfite and oxygen? -
(ANSWER)sodium sulfate
What is the purpose of an attemperator - (ANSWER)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? - (ANSWER)labyrinth
seals and carbon rings
