LA Steam Engineer
Study online at https://quizlet.com/_gzahim
1. A desuperheater that is installed in a boiler is used to Super heated steam temper-
control.. ature
2. Economizers are finned to.. Increase the rate of heat for
heat transfer
3. The heat transfer taking place in a surface condenser Conduction
is accomplished mainly by..
4. An unfired pressure vessel which is used to transfer Feed water heater, Evapora-
heat from one substance to another is called.. tor and Oil Cooler
5. Boiler economizers are primarily used for.. Recovery heat from flue gas
6. The main purpose of the deaerator is to.. Eliminate non-condensable
gases
7. Superheated steam is more efficient because.. Temperature & Total heat
content are increased
8. A spear boiler feed water pump is equipped with a Permit fast start up by leav-
check valve in the discharge line to... ing the discharge valve open
9. Excessive fireside deposits on heating surfaces of a Decreased super heater out-
uncontrolled super heated boiler would be indicated let temperature
by...
10. Why is the super heater safety valve set to release To ensure flow through the
before the drum safety? super heater
11. What is the purpose of a steam trap? To drain water and air
12. A steam trap utilizes flash steam to open but what Impulse
comes after for the closing operation?
1/9
, LA Steam Engineer
Study online at https://quizlet.com/_gzahim
13. Pitting in suction areas of a bronze impeller in cen- (Best answer) Cavitation or
trifugal pumps is usually caused by? (Second Best) Corrosion
14. What type of pump has no moving parts? Jet pump
15. Centrifugal boiler feed water pumps are usually Bypass valves
equipped with?
16. Which condition is the probable cause of centrifugal Pump is not primed
pump failure to deliver water when first started?
17. Low pressure from metering or proportioning pumps Rapid wear on plunger
may be caused by?
18. If a centrifugal pump that operates with suction lift Reprime the pump
becomes air bound you should?
19. An important consideration in the prevention of car- Control water level
ryover in a boiler is to?
20. As alkalinity of boiler water increases the water inside Soft
the boiler becomes increasingly _________?
21. The residue created from chemically treated feed wa- Boiler Blowdown
ter remains in the boiler thus increasing the need for?
22. Grooving and pitting is caused by? Dissolved O2 and CO2
23. What test is used to detect corrosive boiler water? Hardness Test
24. Chemical which would not be used for the purpose of Sulfuric acid
regeneration of softner and dematerialize is?
25. Why are continuous blow downs necessary on high To maintain proper dissolved
make up? boiler water solids
2/9
Study online at https://quizlet.com/_gzahim
1. A desuperheater that is installed in a boiler is used to Super heated steam temper-
control.. ature
2. Economizers are finned to.. Increase the rate of heat for
heat transfer
3. The heat transfer taking place in a surface condenser Conduction
is accomplished mainly by..
4. An unfired pressure vessel which is used to transfer Feed water heater, Evapora-
heat from one substance to another is called.. tor and Oil Cooler
5. Boiler economizers are primarily used for.. Recovery heat from flue gas
6. The main purpose of the deaerator is to.. Eliminate non-condensable
gases
7. Superheated steam is more efficient because.. Temperature & Total heat
content are increased
8. A spear boiler feed water pump is equipped with a Permit fast start up by leav-
check valve in the discharge line to... ing the discharge valve open
9. Excessive fireside deposits on heating surfaces of a Decreased super heater out-
uncontrolled super heated boiler would be indicated let temperature
by...
10. Why is the super heater safety valve set to release To ensure flow through the
before the drum safety? super heater
11. What is the purpose of a steam trap? To drain water and air
12. A steam trap utilizes flash steam to open but what Impulse
comes after for the closing operation?
1/9
, LA Steam Engineer
Study online at https://quizlet.com/_gzahim
13. Pitting in suction areas of a bronze impeller in cen- (Best answer) Cavitation or
trifugal pumps is usually caused by? (Second Best) Corrosion
14. What type of pump has no moving parts? Jet pump
15. Centrifugal boiler feed water pumps are usually Bypass valves
equipped with?
16. Which condition is the probable cause of centrifugal Pump is not primed
pump failure to deliver water when first started?
17. Low pressure from metering or proportioning pumps Rapid wear on plunger
may be caused by?
18. If a centrifugal pump that operates with suction lift Reprime the pump
becomes air bound you should?
19. An important consideration in the prevention of car- Control water level
ryover in a boiler is to?
20. As alkalinity of boiler water increases the water inside Soft
the boiler becomes increasingly _________?
21. The residue created from chemically treated feed wa- Boiler Blowdown
ter remains in the boiler thus increasing the need for?
22. Grooving and pitting is caused by? Dissolved O2 and CO2
23. What test is used to detect corrosive boiler water? Hardness Test
24. Chemical which would not be used for the purpose of Sulfuric acid
regeneration of softner and dematerialize is?
25. Why are continuous blow downs necessary on high To maintain proper dissolved
make up? boiler water solids
2/9
