Boiler Exam 21 Sample Questions with 100% Complete Solutions, Graded to Pass
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Course
Boiler
Institution
Boiler
Which valve is between the boiler and the return pump - cORRECT sOLUTION check valve
what is the function of the check valve - cORRECT sOLUTION prevent the water from returning to the condensation tank from the boiler after the pump shuts off
four safety features required on the steam boiler ...
Boiler Exam Study Guide 1 Exam 2024
Questions with Answer, Rated To Pass
15 psi - cORRECT sOLUTION A low pressure steam boiler has a
maximum allowable working pressure (MAWP) of up to ___.
One boiler horsepower - cORRECT sOLUTION The evaporation of 34.5
lb of water/hr from and at a feedwater temperature of 212°F
through the tubes - cORRECT sOLUTION In a firetube boiler, the heat
and gases of combustion pass ___.
in high or low pressure plants - cORRECT sOLUTION A firetube boiler
may be used ___.
a firetube boiler - cORRECT sOLUTION Because of the large volume of
water, the boiler most likely to cause a boiler explosion is ___.
firetube - cORRECT sOLUTION A horizontal return tubular (HRT)
boiler is a ___ boiler.
temperature - cORRECT sOLUTION As steam pressure in a boiler
increases, there is a corresponding increase in the ___.
a boiler explosion - cORRECT sOLUTION A sudden drop in boiler
steam pressure without a corresponding drop in boiler water temperature could
result in ___.
,heating surface - cORRECT sOLUTION The part of a boiler that has the
heat and gases of combustion on one side and water on the other side is known as
the ___.
thermal - cORRECT sOLUTION The comparison, or ratio, of heat
supplied in fuel to heat absorbed by water is defined as ___ efficiency.
boiler heating surface - cORRECT sOLUTION Baffles are designed to
direct the gases of combustion so that they come into close contact with the ___.
stays - cORRECT sOLUTION The steam and water drum of watertube
boilers is dished (concave) to eliminate the need for ___.
waterwalls - cORRECT sOLUTION To increase the life of a furnace
refractory, some watertube boilers are equipped with ___.
high ceilings, less floor space, and the use of staybolts - cORRECT sOLUTION
Vertical firetube boilers require ___.
around the tubes - cORRECT sOLUTION In a watertube boiler, the heat
and gases of combustion pass ___.
firetube - cORRECT sOLUTION The ___ boiler has a large volume of
water in relation to horsepower size.
a firetube boiler (high or low pressure) - cORRECT sOLUTION Stays
and braces are needed to prevent bulging in ___.
,watertube - cORRECT sOLUTION The ___ boiler was developed to
provide steam at higher pressures.
watertube - cORRECT sOLUTION The mud drum is the lowest part of
the water side of a(n) ___ boiler.
tensile - cORRECT sOLUTION Boiler plates and staybolts are subjected
to ___ stress.
American Society of Mechanical Engineers (ASME) - cORRECT sOLUTION
Safety valve connections must be approved by the ___.
safety and efficiency - cORRECT sOLUTION Boiler fittings are
necessary for ___.
safety valve - cORRECT sOLUTION The most important fitting on a
boiler is the ___.
safety valve - cORRECT sOLUTION To prevent failure from pressure
over the MAWP, all steam boilers must be equipped with at least one ___.
prevent the boiler from exceeding its MAWP - cORRECT sOLUTION A
safety valve will ___.
pop open - cORRECT sOLUTION Safety valves are designed to ___.
before the main safety valves are set to open - cORRECT sOLUTION
Superheater safety valves are set to open ___.
, at least 75% of the popping pressure - cORRECT sOLUTION When
testing a safety valve by hand, there must be ___.
safety valve manufacturer or manufacturer's authorized representative - cORRECT
sOLUTION Any repairs to a safety valve should be done by the ___.
qualified person who is familiar with the contruction and operation of a safety
valve - cORRECT sOLUTION The setting or adjusting of a safety valve
should only be done by the ___.
an accumulation test is put on the boiler - cORRECT sOLUTION If it is
necessary to test the relieving capacity of a safety valve, ___.
pounds of steam per hour capable of discharging under a given pressure -
cORRECT sOLUTION The relieving capacity of a safety valve is
measured in ___.
reduce turbulence in the gauge glass to get a more accurate reading of the water
level in the boiler - cORRECT sOLUTION The main purpose of a water
column is to ___.
a secondary means of determining water level in a boiler. - cORRECT sOLUTION
Try cocks are ___.
using the try cocks - cORRECT sOLUTION When replacing a broken
gauge glass, the water level is checked by ___.
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