3rd class stationary steam engineer license
prep Exam Question and Answers Latest
version Top Rated
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
superheated
the economizer on a boiler is used to _______
add heat to the feed water
blowers are normally used with________ boilers
water tube
overheating of tubes on a boiler can be caused by________
scale on tubes
carbon dioxide in a condensate return system
causes_________
channeling
a ________ pump is a positive displacement pump
reciprocating
a boiler generating 6000 lb of steam/hr produces
_______btu/hr
6,000,000
a bottom blowdown is performed on a boiler to _____
discharge sludge and sediment
water columns are connected to the boiler with a minimum of
_______" pipe
1
_________ are necessary for complete combustion
time, temperature, mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute
pressure is______
,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
12
an oil cooler is commonly used with a(n) ________ when
operating in conjunction with a turbo-generator
steam turbine
the minimum size of a water column blowdown valve
is_______".
3/4
the maximum size bottom blowdown valve on a boiler
is_________".
2 1/2
a ________ allows condensate to pass through, but stops
Steam.
a steam trap
when taking over a shift, the first thing to do is check
the________
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________
two or more safety valves
the probable cause of an increase in temperature of gases of
combustion at the boiler Outlet is____
dirty heating services
boilers in battery equipped with________ must have two
main steam stop valves and a free-flowing drain between
them
manhole openings
in order to be sure the gauge glass is indicating an accurate
water level reading, the stationary engineer should______
, blowdown the gauge glass
a continuous blowdown line is located___
in the Steam and water drum well below the nowl
a temperature reading of 80 degrees Celsius is equal
to_________°f
176
a chimney temperature of 250 degrees Fahrenheit above
steam temperature indicates_______
poor efficiency
a manometer is red in________
inches of water
the boiling point of water will____ with an increase in
pressure
be raised
if a lather is not obtained when performing a soap hardness
test, the water sample is_______
hard
combustion efficiency can be increased when air is________
preheated
______ draft is produced by a fan located between the boiler
and the chimney
induced
the overspeed trip on a steam turbine should be tested
______
before putting the steam turbine on-line
a high CO2 reading in the gases of combustion is a sign
of____
High combustion efficiency
the purpose of chemically treating feedwater is to________
turn scale-forming salts to a non adhering sludge
water in a d rating feed water heater is prevented from
entering the steam line by a(n) _______.
Loop seal or internal overflow
prep Exam Question and Answers Latest
version Top Rated
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
superheated
the economizer on a boiler is used to _______
add heat to the feed water
blowers are normally used with________ boilers
water tube
overheating of tubes on a boiler can be caused by________
scale on tubes
carbon dioxide in a condensate return system
causes_________
channeling
a ________ pump is a positive displacement pump
reciprocating
a boiler generating 6000 lb of steam/hr produces
_______btu/hr
6,000,000
a bottom blowdown is performed on a boiler to _____
discharge sludge and sediment
water columns are connected to the boiler with a minimum of
_______" pipe
1
_________ are necessary for complete combustion
time, temperature, mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute
pressure is______
,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
12
an oil cooler is commonly used with a(n) ________ when
operating in conjunction with a turbo-generator
steam turbine
the minimum size of a water column blowdown valve
is_______".
3/4
the maximum size bottom blowdown valve on a boiler
is_________".
2 1/2
a ________ allows condensate to pass through, but stops
Steam.
a steam trap
when taking over a shift, the first thing to do is check
the________
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________
two or more safety valves
the probable cause of an increase in temperature of gases of
combustion at the boiler Outlet is____
dirty heating services
boilers in battery equipped with________ must have two
main steam stop valves and a free-flowing drain between
them
manhole openings
in order to be sure the gauge glass is indicating an accurate
water level reading, the stationary engineer should______
, blowdown the gauge glass
a continuous blowdown line is located___
in the Steam and water drum well below the nowl
a temperature reading of 80 degrees Celsius is equal
to_________°f
176
a chimney temperature of 250 degrees Fahrenheit above
steam temperature indicates_______
poor efficiency
a manometer is red in________
inches of water
the boiling point of water will____ with an increase in
pressure
be raised
if a lather is not obtained when performing a soap hardness
test, the water sample is_______
hard
combustion efficiency can be increased when air is________
preheated
______ draft is produced by a fan located between the boiler
and the chimney
induced
the overspeed trip on a steam turbine should be tested
______
before putting the steam turbine on-line
a high CO2 reading in the gases of combustion is a sign
of____
High combustion efficiency
the purpose of chemically treating feedwater is to________
turn scale-forming salts to a non adhering sludge
water in a d rating feed water heater is prevented from
entering the steam line by a(n) _______.
Loop seal or internal overflow
