Large quantities of ____ are used to complete the foundations which must support the loads from the boiler and all of the auxillary equipment
steel
refractory
earth
cement
Tubes for boiler application are either hot-finished or _______drawn depending on the size, tolerance and finish desired.
cold
hot
mild
rough
_________ is used as heat protection for personnel and to stop the loss of heat from the boiler internal sections.
insulation
cladding
casing
Boiler tubes may be fabricated in a _____ form, or they may be welded
rolled
seamless
seamed
cast
A final test which is carried out in the manufacturers shop is a hydraulic or hydrostatic test (conducted according to the ASME Code Section I, PW-54) at a pressure of ____times the design pressure
1
2
1.5
5
Another method used to produce seamless tubes is known as _______
cold rolling
extrusion
polishing
casting
The boiler tubes themselves are used to support the top_____ in a bottom-supported boiler
cover
drum
header
tubes
When a manhole opening is made in a drum or shell, the area becomes _____ due to the amount of metal removed
stronger
weaker
flatter
rougher
The ASME Code Section ___ Specifies that the size of an elliptical manhole shall not be less than 280 mm by 380 mm or 250 mm by 410 mm.
IV
VII
III
I
For pressures up to _____ kPa and temperatures up to 454 deg C, handhole covers with gaskets are used and are bolted into place.
10,000
8370
5000
6210
