Chapter 2 Flashcards
1
Q
- 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
A
A) true
2
Q
- Steam injection is a procedure for increasing the the oil from wells, which have been _____ depleted.
A) completely
B) partially
C) entirely
D) almost
A
B) partially
3
Q
- The reason for the use of steam is to allow the maximum quantity of heat to be put into the well with the _____ quantity of injected fluid
A) minimum
B) maximum
C) most
D) super
A
A) minimum
4
Q
- In order to keep the salts in the Boiler water dissolved, and to avoid deposits on the tubes, the steam produced contains _____ moisture.
A) 15%
B) 30%
C) 20%
D) 50%
A
C) 20%
5
Q
- Outputs from steam flooding boilers range from _____ million kJ/h to _____ million kJ/h in standard sizes.
A) 1, 100
B) 5, 50
C) 100, 200
D) 1, 50
A
B) 5, 50
6
Q
- One method of burning _____ is called fluidized bed combustion.
A) liquids
B) wood
C) methane
D) coal
A
D) coal
7
Q
- Crushed coal from 1.6 mm to 6 mm is injected into the bed by means of an _____.
A) elevator
B) air stream
C) injector
D) pulverizer
A
B) air stream
8
Q
- Combustion air is introduced underneath the bed and is blown through the entire bed.
A) true
B) false
A
A) true
9
Q
- Fluidized bed boilers have the ability to burn _____ fuels in an environmentally acceptable manner.
A) low grade
B) high grade
C) liquid
D) vaporized
A
A) low grade
10
Q
- Combustion can take place at temperatures ranging from _____ to _____ 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
A
C) 800,900
11
Q
- Because of the low operating temperatures, an inexpensive material such as CaCO3 (lime) can be added to the bed. It acts as absorbent to remove _____ from the flue gas.
A) SO2
B) O2
C) NOx
D) water
A
A) SO2
12
Q
- Bubbling fluid bed boilers are subject to _____ erosion rates.
A) low
B) moderate
C) extreme
D) high
A
D) high
13
Q
- The concept of using waste energy to generate steam has been gaining in popularity. This is mainly because of _____ fuel costs.
A) lower
B) moderate
C) higher
D) more
A
C) higher.
14
Q
- A simple combined cycle power generation system can consist of:
A) a single gas turbine generator B) a HRSG C) a single steam turbine generator D) condenser E) all of the above
A
E) all of the above
15
Q
- The HRSG has supplemental firing in the form of duct burners. These are coal fired and are used to add additional heat to the boilers.
A) true
B) false
A
B) false
