Power Engineering 3B1 1-8 Questions

Power Engineering 3B1 1-8 Questions with Complete Solutions (Latest 2025) 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.

• True
• False - Correct Answers ✅a

team injection is a procedure for increasing the recovery of oil from wells, which have been _______ depleted.

• completely
• partially
• entirely
• almost - Correct Answers ✅b

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.

• minimum
• maximum
• most
• super - Correct Answers ✅a 1 / 4

Power Engineering 3B1 1-8 Questions with Complete Solutions (Latest 2025) In order to keep the salts in the boiler water dissolved, and to avoid deposits on the tubes, the steam produced contains _____ moisture.

• 30%
• 50%
• 20%
• 10% - Correct Answers ✅c

Outputs from Steam Flooding Boilers range from ___ million kJ/h to ___ million kJ/h in standard sizes.

• 1,100
• 5,50
• 100 , 200
• 1,50 - Correct Answers ✅b

One method of burning _____ is called fluidized bed combustion.

• liquids
• wood
• methane
• coa - Correct Answers ✅d 2 / 4

Power Engineering 3B1 1-8 Questions with Complete Solutions (Latest 2025) Crushed coal from 1.6 mm to 6 mm is injected into the bed by means of an ________.

• elevato
• air-stream
• injector
• pulverizer - Correct Answers ✅b

Combustion air is introduced underneath the bed and is blown through the entire bed.

• True
• False - Correct Answers ✅a

Fluidized bed boilers have the ability to burn ________ fuels in an environmentally acceptable manner.

• low grade
• high grade
• liquid
• vaporized - 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. 3 / 4

Power Engineering 3B1 1-8 Questions with Complete Solutions (Latest 2025)

• 300 , 500
• 200 , 400
• 800 , 900
• 600 , 700 - Correct Answers ✅c

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.

• SO2
• O2
• NoX
• W ater - Correct Answers ✅a

Bubbling Fluid Bed Boilers (BFB) are subject to _____ erosion rates.

• low
• moderate
• extreme
• high - Correct Answers ✅d
• / 4