Power Engineering 3B1 Chapter 2 Questions With Complete
Solutions
A particular application of the once-through boiler design is the
steam-flooding boiler. This is a boiler used for flooding oil wells
with steam in order to increase the oil recovery.
a. True
b. False Correct Answers a
A simple combined cycle power generation system can consist
of:
a. a single gas turbine generator
b. a HRSG (heat recovery steam generator)
c. a single steam turbine-generator
d. condenser
e. all of the above Correct Answers e
Because of the low operating temperatures, an inexpensive
material such as CaCO3 (lime) can be added to the bed. It acts
as a sorbent to remove _____ from the flue gases.
a. SO2
b. O2
c. NoX
d. W ater Correct Answers a
Biomass is anything that is or recently was alive, such as leaves,
grasses, bamboo, vine clippings, sugar cane, coffee grounds, and
rice hulls
a. True
b. False Correct Answers a
, Bubbling Fluid Bed Boilers (BFB) are subject to _____ erosion
rates.
a. low
b. moderate
c. extreme
d. high Correct Answers d
Combustion air is fed at three elevations of the furnace: primary,
secondary, and ______.
a. upper
b. lower
c. tertiary
d. after Correct Answers b
Combustion air is introduced underneath the bed and is blown
through the entire bed.
a. True
b. False Correct Answers a
Combustion can take place at temperatures ranging from
____°C to ____°C instead of normal combustion temperatures
of 1600°C to 1900°C for pulverized coal and oil firing.
a. 300 , 500
b. 200 , 400
c. 800 , 900
d. 600 , 700 Correct Answers c
Corrosion of the ______ furnace area of the boiler can be severe
during refuse firing
a. upper
b. middle
c. lower
Solutions
A particular application of the once-through boiler design is the
steam-flooding boiler. This is a boiler used for flooding oil wells
with steam in order to increase the oil recovery.
a. True
b. False Correct Answers a
A simple combined cycle power generation system can consist
of:
a. a single gas turbine generator
b. a HRSG (heat recovery steam generator)
c. a single steam turbine-generator
d. condenser
e. all of the above Correct Answers e
Because of the low operating temperatures, an inexpensive
material such as CaCO3 (lime) can be added to the bed. It acts
as a sorbent to remove _____ from the flue gases.
a. SO2
b. O2
c. NoX
d. W ater Correct Answers a
Biomass is anything that is or recently was alive, such as leaves,
grasses, bamboo, vine clippings, sugar cane, coffee grounds, and
rice hulls
a. True
b. False Correct Answers a
, Bubbling Fluid Bed Boilers (BFB) are subject to _____ erosion
rates.
a. low
b. moderate
c. extreme
d. high Correct Answers d
Combustion air is fed at three elevations of the furnace: primary,
secondary, and ______.
a. upper
b. lower
c. tertiary
d. after Correct Answers b
Combustion air is introduced underneath the bed and is blown
through the entire bed.
a. True
b. False Correct Answers a
Combustion can take place at temperatures ranging from
____°C to ____°C instead of normal combustion temperatures
of 1600°C to 1900°C for pulverized coal and oil firing.
a. 300 , 500
b. 200 , 400
c. 800 , 900
d. 600 , 700 Correct Answers c
Corrosion of the ______ furnace area of the boiler can be severe
during refuse firing
a. upper
b. middle
c. lower
