P99 LOW PRESSURE BOILERS CH 2 EXAM QUESTIONS AND CORRECT ANSWERS

P99 LOW PRESSURE BOILERS
CH 2 EXAM QUESTIONS AND
CORRECT ANSWERS

Boiler fittings are components attached directly to the
boiler.
True
Safety valves on steam boilers are designed to open
slowly.
False
The safety valve should chatter to prevent damage to
the disc.
False
Safety valves are tested only by performing a try lever
test.
False
A safety valve try lever test is performed with the
boiler at 15 psi or higher.
False
The steam pressure gauge must be connected to the
highest part of the steam side of the boiler.
True
A siphon is connected between the boiler and the
steam pressure gauge to prevent water from entering
the Bourdon tube.
False
A slow gauge reads less pressure than is actually in
the boiler.

, True
Live steam allowed to enter the Bourdon tube of a
steam pressure gauge will damage the gauge.
True
The water column should be blown down once a shift.
True
The water column is used to indicate the water level in
the blowdown tank.
False
With the boiler at its NOWL, the gauge glass is
approximately half full.
True
The purpose of the water column is to slow down the
turbulence of the boiler water to obtain a more
accurate reading of the water level in the gauge glass.
True
In low pressure steam boilers, two methods of
determining water level are try cocks and gauge
glasses.
True
Gauge glasses are calibrated in pounds per square
inch.
False
With water at the NOWL, steam is discharged from the
bottom try cock when it is opened.
False
With water at the NOWL, the middle try cock
discharges a mixture of water and steam when
opened.
True