Power Engineering 3B1 Chapter 3 Exam Questions and Answers Already Passed
What is meant by the foundation of a boiler?
a. The person who designed the boiler
b. The ground support of the boiler
c. The setting of the boiler
d. The steel work of the boiler
e. The support beams on top of a boiler - Answers b
Every boiler must be supported by a good foundation
To allow for expansion
To avoid movement due to settling
To prevent extra stress in connected pipework
To allow accurate water indication of the boiler
a. 1,2,3,4
b. 1,3,4
c. 2,3,4
d. 1,2
e. 2,4 - Answers e
Why do boilers have allowances for expansion?
To prevent the brickwork from cracking
To prevent undue stress on the pipework
To prevent thermal shock to the steam drum
Because the boiler is not always operating at the same temperature
1,2,4
2,3,4
1,2
, 2,4
2,3 - Answers a
The boiler pressure parts are allowed to expand __________ from the main supports at the top.
a. up wards
b. sideways
c. downwards
d. static - Answers c
Upon completion of the structural steel installation, the "U" shaped hangers are attached to the
structural steel for support of the main steam ______.
a. header
b. drum
c. superheater
d. economizer - Answers b
The drum is supported by U-bolts, which permit linear movement of the drum with ___________
variations.
a. temperature
b. size
c. pressure
d. small - Answers a
The ______ is used as the major anchor point for other boiler components, and for this reason, accurate
location is important.
a. structure
b. header
c. superheater
d. drum - Answers d
The bottom-supported boiler has concrete drum _________, which support the bottom drum and
bottom headers.
What is meant by the foundation of a boiler?
a. The person who designed the boiler
b. The ground support of the boiler
c. The setting of the boiler
d. The steel work of the boiler
e. The support beams on top of a boiler - Answers b
Every boiler must be supported by a good foundation
To allow for expansion
To avoid movement due to settling
To prevent extra stress in connected pipework
To allow accurate water indication of the boiler
a. 1,2,3,4
b. 1,3,4
c. 2,3,4
d. 1,2
e. 2,4 - Answers e
Why do boilers have allowances for expansion?
To prevent the brickwork from cracking
To prevent undue stress on the pipework
To prevent thermal shock to the steam drum
Because the boiler is not always operating at the same temperature
1,2,4
2,3,4
1,2
, 2,4
2,3 - Answers a
The boiler pressure parts are allowed to expand __________ from the main supports at the top.
a. up wards
b. sideways
c. downwards
d. static - Answers c
Upon completion of the structural steel installation, the "U" shaped hangers are attached to the
structural steel for support of the main steam ______.
a. header
b. drum
c. superheater
d. economizer - Answers b
The drum is supported by U-bolts, which permit linear movement of the drum with ___________
variations.
a. temperature
b. size
c. pressure
d. small - Answers a
The ______ is used as the major anchor point for other boiler components, and for this reason, accurate
location is important.
a. structure
b. header
c. superheater
d. drum - Answers d
The bottom-supported boiler has concrete drum _________, which support the bottom drum and
bottom headers.
