1 | Page
| | | | | |
3RD CLASS STATIONARY STEAM
ENGINEER LICENSE PREP QUESTIONS
AND ANSWERS 2025
are necessary for complete combustion - correct | | | | | |
| answer- time, temperature, mixture, and atomization | | | | |
if the steam pressure gauge indicates 200 PSIG, the absolute
| | | | | | | | |
pressure is
| - correct answer- 214.7 | | | |
a boiler is operating at 400 PSI, and the safety valve opens at
| | | | | | | | | | | |
410 PSI and closes at 398 PSI. The blowdown is
| | | psi - | | | | | | | |
correct answer- 12
| | |
an oil cooler is commonly used with a(n)
| | when | | | | | |
operating in conjunction with a turbo-generator - correct
| | | | | | | |
answer- steam turbine
| | |
a boiler is producing 40,000lb of steam/hr at a pressure of 100
| | | | | | | | | | |
PSI and a steam temperature of 500 degrees Fahrenheit. The
| | | | | | | | | |
steam produced is
| steam - correct answer-
| | | | | |
superheated
|
,2 | Page
| | | | | |
the economizer on a boiler is used to
| | | | | | | | - correct
|
answer- add heat to the feed water
| | | | | | |
blowers are normally used with | | | | boilers - correct | |
answer- water tube
| | |
overheating of tubes on a boiler can be caused by | | | | | | | | | -
correct answer- scale on tubes
| | | | |
carbon dioxide in a condensate return system
| | | | | |
causes
| - correct answer- channeling | | |
a | pump is a positive displacement pump - correct | | | | | | |
answer- reciprocating
| |
a boiler generating 6000 lb of steam/hr produces
| | | | | | |
btu/hr - correct answer- 6,000,000 | | | |
a bottom blowdown is performed on a boiler to
| | | | | | | | | - correct
|
answer- discharge sludge and sediment
| | | | |
,3 | Page
| | | | | |
water columns are connected to the boiler with a minimum of
| | | | | | | | | |
" pipe - correct answer- 1 | | | | |
the minimum size of a water column blowdown valve is
| | | | | | | | |
". - correct answer- 3/4 | | | |
the maximum size bottom blowdown valve on a boiler is
| | | | | | | | |
". - correct answer- 2 1/2 | | | | |
a | allows condensate to pass through, but stops | | | | | |
Steam. - correct answer- a steam trap
| | | | | | |
when taking over a shift, the first thing to do is check
| | | | | | | | | | |
the - correct answer- water level in each boiler | | | | | | |
according to the asme code, a high-pressure boiler having
| | | | | | | |
more than 500 square feet of heating surface shall
| | | | | | | | |
have - correct answer- two or more safety valves | | | | | | |
, 4 | Page
| | | | | |
the probable cause of an increase in temperature of gases of
| | | | | | | | | |
combustion at the boiler Outlet is
| - correct answer- dirty | | | | | | | | | |
heating services
| |
boilers in battery equipped with | must have two main
| | | | | |
steam stop valves and a free-flowing drain between them -
| | | | | | | | | |
correct answer- manhole openings
| | | |
in order to be sure the gauge glass is indicating an accurate
| | | | | | | | | | |
water level reading, the stationary engineer should
| | - | | | | |
correct answer- blowdown the gauge glass
| | | | | |
a continuous blowdown line is located
| - correct answer- in | | | | | | |
the Steam and water drum well below the nowl
| | | | | | | | |
a temperature reading of 80 degrees Celsius is equal to
| | | | | | | | |
°f - correct answer- 176 | | | |
a chimney temperature of 250 degrees Fahrenheit above
| | | | | | |
steam temperature indicates
| |- correct answer- poor | | | |
efficiency
|
| | | | | |
3RD CLASS STATIONARY STEAM
ENGINEER LICENSE PREP QUESTIONS
AND ANSWERS 2025
are necessary for complete combustion - correct | | | | | |
| answer- time, temperature, mixture, and atomization | | | | |
if the steam pressure gauge indicates 200 PSIG, the absolute
| | | | | | | | |
pressure is
| - correct answer- 214.7 | | | |
a boiler is operating at 400 PSI, and the safety valve opens at
| | | | | | | | | | | |
410 PSI and closes at 398 PSI. The blowdown is
| | | psi - | | | | | | | |
correct answer- 12
| | |
an oil cooler is commonly used with a(n)
| | when | | | | | |
operating in conjunction with a turbo-generator - correct
| | | | | | | |
answer- steam turbine
| | |
a boiler is producing 40,000lb of steam/hr at a pressure of 100
| | | | | | | | | | |
PSI and a steam temperature of 500 degrees Fahrenheit. The
| | | | | | | | | |
steam produced is
| steam - correct answer-
| | | | | |
superheated
|
,2 | Page
| | | | | |
the economizer on a boiler is used to
| | | | | | | | - correct
|
answer- add heat to the feed water
| | | | | | |
blowers are normally used with | | | | boilers - correct | |
answer- water tube
| | |
overheating of tubes on a boiler can be caused by | | | | | | | | | -
correct answer- scale on tubes
| | | | |
carbon dioxide in a condensate return system
| | | | | |
causes
| - correct answer- channeling | | |
a | pump is a positive displacement pump - correct | | | | | | |
answer- reciprocating
| |
a boiler generating 6000 lb of steam/hr produces
| | | | | | |
btu/hr - correct answer- 6,000,000 | | | |
a bottom blowdown is performed on a boiler to
| | | | | | | | | - correct
|
answer- discharge sludge and sediment
| | | | |
,3 | Page
| | | | | |
water columns are connected to the boiler with a minimum of
| | | | | | | | | |
" pipe - correct answer- 1 | | | | |
the minimum size of a water column blowdown valve is
| | | | | | | | |
". - correct answer- 3/4 | | | |
the maximum size bottom blowdown valve on a boiler is
| | | | | | | | |
". - correct answer- 2 1/2 | | | | |
a | allows condensate to pass through, but stops | | | | | |
Steam. - correct answer- a steam trap
| | | | | | |
when taking over a shift, the first thing to do is check
| | | | | | | | | | |
the - correct answer- water level in each boiler | | | | | | |
according to the asme code, a high-pressure boiler having
| | | | | | | |
more than 500 square feet of heating surface shall
| | | | | | | | |
have - correct answer- two or more safety valves | | | | | | |
, 4 | Page
| | | | | |
the probable cause of an increase in temperature of gases of
| | | | | | | | | |
combustion at the boiler Outlet is
| - correct answer- dirty | | | | | | | | | |
heating services
| |
boilers in battery equipped with | must have two main
| | | | | |
steam stop valves and a free-flowing drain between them -
| | | | | | | | | |
correct answer- manhole openings
| | | |
in order to be sure the gauge glass is indicating an accurate
| | | | | | | | | | |
water level reading, the stationary engineer should
| | - | | | | |
correct answer- blowdown the gauge glass
| | | | | |
a continuous blowdown line is located
| - correct answer- in | | | | | | |
the Steam and water drum well below the nowl
| | | | | | | | |
a temperature reading of 80 degrees Celsius is equal to
| | | | | | | | |
°f - correct answer- 176 | | | |
a chimney temperature of 250 degrees Fahrenheit above
| | | | | | |
steam temperature indicates
| |- correct answer- poor | | | |
efficiency
|
