3.3 Boiler construction

Large quantities of ____ are used to complete the foundations which must support the loads from the boiler and all of the auxillary equipment

Tubes for boiler application are either hot-finished or _______drawn depending on the size, tolerance and finish desired.

_________ is used as heat protection for personnel and to stop the loss of heat from the boiler internal sections.

Boiler tubes may be fabricated in a _____ form, or they may be welded

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

Another method used to produce seamless tubes is known as _______

The boiler tubes themselves are used to support the top_____ in a bottom-supported boiler

When a manhole opening is made in a drum or shell, the area becomes _____ due to the amount of metal removed

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.

For pressures up to _____ kPa and temperatures up to 454 deg C, handhole covers with gaskets are used and are bolted into place.