Question

Pressure gauges are never connected directly to the live steam line; rather a loop or syphon is interposed as close as possible to the pressure gauge. This is done to

a.

avoid the overheating of the tubes & bellows which operate them to minimise error and damage.

b.

form a seal of water by steam condensate to fill the tube or bellows at the pressure being measured.

c.

both 'a' & 'b'.

d.

avoid the static head error introduced by steam entry.

Answer: (c).both 'a' & 'b'.

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Q. Pressure gauges are never connected directly to the live steam line; rather a loop or syphon is interposed as close as possible to the pressure gauge. This is done to

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