EXAM |GUARANTEED PASS
1 or more safety valves - Accurate Answers✔✔✔ all steam boilers must
have
Locked closed - Accurate Answers✔✔✔ before anyone enters the boiler
drum, the main steam stop valve, bottom blowdown valves, & feedwater
valves should be
212 degrees F - Accurate Answers✔✔✔ at atmospheric pressure, water
begins to boil at approximately
Fuel oil, gas, & coal - Accurate Answers✔✔✔ fuels most commonly
used in boilers
Steam pressure gauge - Accurate Answers✔✔✔ must be connected to
the highest part of the steam side of the boiler
Half full - Accurate Answers✔✔✔ with an NOWL in a boiler, the gauge
glass is approximately
Foaming - Accurate Answers✔✔✔ a high surface tension on top of the
boiler water can lead to
,Mud drum - Accurate Answers✔✔✔ Bottom blowdown on a boiler
removes sludge & sediment from the
Tin - Accurate Answers✔✔✔ a boiler fusible plug is brass or bronze
with a core of
Pounds per square inch - Accurate Answers✔✔✔ a steam pressure
gauge is calibrated in
Try cocks - Accurate Answers✔✔✔ a secondary means of determining
boiler water level
Oily waste rag storage - Accurate Answers✔✔✔ fires caused by
spontaneous combustion are most likely to occur in the
Steam - Accurate Answers✔✔✔ a siphon installed between the boiler &
the pressure gauge protects the Bourdon tube from
Prevent formation of scale - Accurate Answers✔✔✔ boiler feedwater is
chemically treated to
Inside tube surface - Accurate Answers✔✔✔ in a firetube boiler, soot
accumulates on the
1.5 times the MAWP - Accurate Answers✔✔✔ the pressure applied on
the boiler during a hydrostatic test should be
, Decreased - Accurate Answers✔✔✔ as fuel oil is heated, its viscosity is
Chimney - Accurate Answers✔✔✔ the induced draft fan is located
between the boiler & the
Flash when exposed to an open flame - Accurate Answers✔✔✔ the
flash point of fuel oil is the minimum temperature at which the fuel will
Burn continually - Accurate Answers✔✔✔ the fire point of fuel oil is
the minimum temperature at which the fuel will
Lowest; flow - Accurate Answers✔✔✔ the pour point of fuel oil is the
____ temperature at which fuel oil will ____
Dangerous to handle - Accurate Answers✔✔✔ fuel oil with a low flash
point is
Pressure control - Accurate Answers✔✔✔ the operating range of a
steam boiler is controlled by a
Condensate in the line - Accurate Answers✔✔✔ water hammer in steam
lines is caused by