Ohio stationary steam engineer
Study online at https://quizlet.com/_5pzjk6
1. Combustion efficiency may be increased by_____ the primary air: Preheat-
ing
2. What is the purpose of cinder reinjection?: increase efficiency
3. 2 forces of equal intensity acting in opposite directions is?: tension
4. What is true about the dew poimt of flue gasses: dew point is the temp at which
the gasses will condense
5. What will not cause high stack temps?: plugged dry pipe
6. What is true about smoke: smoke consists of unburned hydrocarbons
7. WHat is used to reduce SO2 emissions in coal fired boilers?: Wet or dry
scrubbers
8. 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 _______: operate soot
blowers
9. What watertube bolier is the largest in size and steam-generating compac-
itity: Utility watertube boiler
10. the blowdown on a safety valve can be altered by changing the setting of
the _____: huddling ring
11. Copper and brass piping may be used for piping systems as long as the
temp does not exceed: 406 degrees
12. What is not measured in a 3 element feedwater system
-feedwater flow
-drum pressure
-steam flow
-drum level: drum pressure
13. If the flame in a gas-fired bolier is pulsating how can the problem be
fixed?: increase furnace draft
14. Grindability of coal is an issue to be considered when operating which kid
of coal-burining equipment?: ball-and-race pulvarizer
15. When using an induced draft fan, where will the strongest negative draft
be found: at the inlet of the ID fan
16. How do you bank a fuel oil-fired boiler?: turn off the fuel and air supplies,
the re-light the burner as necessary to maintain a predetermined minimum steam
pressure
17. What is true about the lube oil used in a steam turbine: it must readily
seperate oil and water
18. What supplies the oil to a large steam turbine during start-up: aux oil pump
19. What device prevents the over-travel of the governor linkage that might be
caused by the weight of the governor components: Dashpot
20. When taking a boiler out of service what should you not do: close the vent
, Ohio stationary steam engineer
Study online at https://quizlet.com/_5pzjk6
21. what type of turbine oil purification system periodically removes a potion
of the oil and replaces it with fresh oil?: makeup oil system
22. what type of steam turbine system has steam take-offs prior to going into
the condenser?: extraction turbine
23. 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: 15 psi
24. What grade fuel oil may be ignited by an electric spark from electrodes
powered by an ignition transformer?: #2
25. what is the cheapest, easiest form of water treatment?: heating the water
26. 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:: back-pressure
turbine
27. At what temp should you add cooling water to a turbines bearings?: -
110-120 degrees
28. What is produced from the reaction between sodium sulfite and oxygen?-
: sodium sulfate
29. What is the purpose of an attemperator: reduce temp of superheated steam
by adding a water mist
30. What are the 2 main methods by which steam is prevented from leaking out
around the turbine shaft where the shaft exits the casing?: labyrinth seals and
carbon rings
31. If the water in a boiler is foaming, the water level indication in the gauge
glass will be:: erratic
32. Cast iron or ductile iron pipe is used for:: underground water supply and
drainage
33. What is the maximum allowable level of dissolved solids in the steam being
supplied to a steam turbine?: .1 ppm
34. If a boiler requires a second safety valve, the highest pressure setting on
the additional valve should not exceed the MAWP by more than: 3%
35. Steam is tapped off a turbine casing at several pressures for aux. uses in
the production plant. the steam is called:: extraction steam
36. If the tubes in a boiler are flared during installation, which of the following
is true?
-The ID is increased
-The OD is decreased
-The length is decreased
-the wall thickness is increased: The ID is increased
, Ohio stationary steam engineer
Study online at https://quizlet.com/_5pzjk6
37. What problem is caused by dirty condenser tubes?: inability to maintain a
normal vacuum on condenser
38. A lubrication with low viscosity is usually:: adapted to high RPM use
39. On a bicolor gauge glass water will appear ____ and steam will appear
_____: green, red
40. Name 2 common classes of steam turbine blading:: impulsive and reactive
41. Which of the following is NOT an advantage of operating a steam turbine
condensing?
-the condensate from the steam in recovered
-the HP developed by the turbine is increased
-The speed of the turbine is decreased
-Recovery of hot condensate increases boiler efficiency: The speed of the
turbine is decreased
42. A boiler is industrial when:: The steam is used for a manufacturing process
43. What is the function of the dashpot?: prevent over-travel due to the weight of
the governor linkage
44. Which of the following is part of the weekly preventitive maintenance
program for a steam turbine?
-Test the overspeed trip
-inspect turbine exterior
-change oil
-Lubricate the throttle valve: Inspect exterior
45. What oil pressure should be maintained when using a turbine oil pump
with a relief valve: 50-55 PSI
46. What is the first step when starting a steam turbine?: Open the condensate
drains
47. An impulse turbine utilizes one row of stationary nozzles which increase
the velocity of the steam enough to drive 2 rows of rotating blades. This type
of turbine is called a:: Velocity-compound turbine
48. What should be part of the monthly preventive maintenance program for a
steam turbine?: Check oil reservoir for sludge or water
49. What is the purpose of the aux. oil pump in a steam turbine installation?-
: Provide oil to the bearings on start-up
50. During the start-up of a large steam turbine, the speed is gradually in-
creased so that the operating speed may be reached. The turbine operates
smoothly, but at a particular RPM range, a significant vibration is encountered.
What should the operator do?: Increase the speed to get through the RPM range
as quickly as possible
Study online at https://quizlet.com/_5pzjk6
1. Combustion efficiency may be increased by_____ the primary air: Preheat-
ing
2. What is the purpose of cinder reinjection?: increase efficiency
3. 2 forces of equal intensity acting in opposite directions is?: tension
4. What is true about the dew poimt of flue gasses: dew point is the temp at which
the gasses will condense
5. What will not cause high stack temps?: plugged dry pipe
6. What is true about smoke: smoke consists of unburned hydrocarbons
7. WHat is used to reduce SO2 emissions in coal fired boilers?: Wet or dry
scrubbers
8. 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 _______: operate soot
blowers
9. What watertube bolier is the largest in size and steam-generating compac-
itity: Utility watertube boiler
10. the blowdown on a safety valve can be altered by changing the setting of
the _____: huddling ring
11. Copper and brass piping may be used for piping systems as long as the
temp does not exceed: 406 degrees
12. What is not measured in a 3 element feedwater system
-feedwater flow
-drum pressure
-steam flow
-drum level: drum pressure
13. If the flame in a gas-fired bolier is pulsating how can the problem be
fixed?: increase furnace draft
14. Grindability of coal is an issue to be considered when operating which kid
of coal-burining equipment?: ball-and-race pulvarizer
15. When using an induced draft fan, where will the strongest negative draft
be found: at the inlet of the ID fan
16. How do you bank a fuel oil-fired boiler?: turn off the fuel and air supplies,
the re-light the burner as necessary to maintain a predetermined minimum steam
pressure
17. What is true about the lube oil used in a steam turbine: it must readily
seperate oil and water
18. What supplies the oil to a large steam turbine during start-up: aux oil pump
19. What device prevents the over-travel of the governor linkage that might be
caused by the weight of the governor components: Dashpot
20. When taking a boiler out of service what should you not do: close the vent
, Ohio stationary steam engineer
Study online at https://quizlet.com/_5pzjk6
21. what type of turbine oil purification system periodically removes a potion
of the oil and replaces it with fresh oil?: makeup oil system
22. what type of steam turbine system has steam take-offs prior to going into
the condenser?: extraction turbine
23. 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: 15 psi
24. What grade fuel oil may be ignited by an electric spark from electrodes
powered by an ignition transformer?: #2
25. what is the cheapest, easiest form of water treatment?: heating the water
26. 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:: back-pressure
turbine
27. At what temp should you add cooling water to a turbines bearings?: -
110-120 degrees
28. What is produced from the reaction between sodium sulfite and oxygen?-
: sodium sulfate
29. What is the purpose of an attemperator: reduce temp of superheated steam
by adding a water mist
30. What are the 2 main methods by which steam is prevented from leaking out
around the turbine shaft where the shaft exits the casing?: labyrinth seals and
carbon rings
31. If the water in a boiler is foaming, the water level indication in the gauge
glass will be:: erratic
32. Cast iron or ductile iron pipe is used for:: underground water supply and
drainage
33. What is the maximum allowable level of dissolved solids in the steam being
supplied to a steam turbine?: .1 ppm
34. If a boiler requires a second safety valve, the highest pressure setting on
the additional valve should not exceed the MAWP by more than: 3%
35. Steam is tapped off a turbine casing at several pressures for aux. uses in
the production plant. the steam is called:: extraction steam
36. If the tubes in a boiler are flared during installation, which of the following
is true?
-The ID is increased
-The OD is decreased
-The length is decreased
-the wall thickness is increased: The ID is increased
, Ohio stationary steam engineer
Study online at https://quizlet.com/_5pzjk6
37. What problem is caused by dirty condenser tubes?: inability to maintain a
normal vacuum on condenser
38. A lubrication with low viscosity is usually:: adapted to high RPM use
39. On a bicolor gauge glass water will appear ____ and steam will appear
_____: green, red
40. Name 2 common classes of steam turbine blading:: impulsive and reactive
41. Which of the following is NOT an advantage of operating a steam turbine
condensing?
-the condensate from the steam in recovered
-the HP developed by the turbine is increased
-The speed of the turbine is decreased
-Recovery of hot condensate increases boiler efficiency: The speed of the
turbine is decreased
42. A boiler is industrial when:: The steam is used for a manufacturing process
43. What is the function of the dashpot?: prevent over-travel due to the weight of
the governor linkage
44. Which of the following is part of the weekly preventitive maintenance
program for a steam turbine?
-Test the overspeed trip
-inspect turbine exterior
-change oil
-Lubricate the throttle valve: Inspect exterior
45. What oil pressure should be maintained when using a turbine oil pump
with a relief valve: 50-55 PSI
46. What is the first step when starting a steam turbine?: Open the condensate
drains
47. An impulse turbine utilizes one row of stationary nozzles which increase
the velocity of the steam enough to drive 2 rows of rotating blades. This type
of turbine is called a:: Velocity-compound turbine
48. What should be part of the monthly preventive maintenance program for a
steam turbine?: Check oil reservoir for sludge or water
49. What is the purpose of the aux. oil pump in a steam turbine installation?-
: Provide oil to the bearings on start-up
50. During the start-up of a large steam turbine, the speed is gradually in-
creased so that the operating speed may be reached. The turbine operates
smoothly, but at a particular RPM range, a significant vibration is encountered.
What should the operator do?: Increase the speed to get through the RPM range
as quickly as possible
