Common shell and drum thickness range is
a) 2 to 12 mm
b) 6 to 250 mm
c) 15 to 300 mm
d) 100 to 1,000 mm
e) 200 to 250 mm
Answer: B
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Basic Boiler Construction
- In early boilers, furnace walls were constructed of brick. Today this method has been replaced by the use of
- Three types of furnace water-walls are the tangent tube, welded fin, and
- Boilers supported from the top
- With a bottom-supported boiler, the steam drum is usually
- Internal furnaces are
- A Morison furnace is
- Manholes are
- A boiler nozzle attachment
- A major force which acts to hold a manway door in place during boiler operation is
- Boiler stays
- The flat surfaces which require staying in a firetube boiler are the tube sheets, waterless, and
- A tube expander is used to
- Tubes for high-pressure service are usually
- Post weld heat treatment is
- A non-destructive test on a boiler is
- With regard to welding, heat treatment
- Head-to-drum circumferential joints are usually
- The circumferential seam of a riveted boiler shell utilized the
- One or more steel plates rolled into a cylindrical form and welded together, with the ends closed by means of end plates or heads, is called a