3RD CLASS STATIONARY STEAM
ENGINEER LICENSE PREP QUESTIONS
WITH COMPLETE SOLUTIONS
QUESTIONS WITH SOLUTIONS
_________ are necessary for complete combustion . ANSWER -time, temperature,
mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ .
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 . ANSWER -12
an oil cooler is commonly used with a(n) ________ when operating in conjunction
with a turbo-generator . 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 .
ANSWER -superheated
the economizer on a boiler is used to _______ . ANSWER -add heat to the feed water
blowers are normally used with________ boilers . ANSWER -water tube
overheating of tubes on a boiler can be caused by________ . ANSWER -scale on tubes
carbon dioxide in a condensate return system causes_________ . ANSWER -
channeling
a ________ pump is a positive displacement pump . ANSWER -reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr . ANSWER -
6,000,000
a bottom blowdown is performed on a boiler to _____ . ANSWER -discharge sludge
and sediment
water columns are connected to the boiler with a minimum of _______" pipe .
ANSWER -1
,the minimum size of a water column blowdown valve is_______". . ANSWER -3/4
the maximum size bottom blowdown valve on a boiler is_________". . ANSWER -2
1/2
a ________ allows condensate to pass through, but stops Steam. . ANSWER -a steam
trap
when taking over a shift, the first thing to do is check the________ . 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________ . ANSWER -two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the boiler
Outlet is____ . ANSWER -dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a
free-flowing drain between them . ANSWER -manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading, the
stationary engineer should______ . ANSWER -blowdown the gauge glass
a continuous blowdown line is located___ . ANSWER -in the Steam and water drum
well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f . ANSWER -176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ . ANSWER -poor efficiency
a manometer is red in________ . ANSWER -inches of water
the boiling point of water will____ with an increase in pressure . ANSWER -be raised
if a lather is not obtained when performing a soap hardness test, the water sample
is_______ . ANSWER -hard
combustion efficiency can be increased when air is________ . ANSWER -preheated
______ draft is produced by a fan located between the boiler and the chimney .
ANSWER -induced
the overspeed trip on a steam turbine should be tested ______ . ANSWER -before
putting the steam turbine on-line
, a high CO2 reading in the gases of combustion is a sign of____ . ANSWER -High
combustion efficiency
the purpose of chemically treating feedwater is to________ . ANSWER -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)
_______. . ANSWER -Loop seal or internal overflow
a steam turbine operating at 3600 RPM will trip at_________ rpm . ANSWER -3960
he steam line going to The Blowers is connected to the main ________ . ANSWER -
steam drum
before using blowers on a boiler,________ . ANSWER -drain set blower lines
an accumulation of snow on the Fireside of a boiler tubes________ . ANSWER -
decreases boiler efficiency
a globe valve installed in the feed water line between the feed water pump and boiler
has a pressure from the feed water pump_________ the valve disc . ANSWER -under
the range of a pressure gauge should be twice the safety valve setting, but not less
than______ time (s) the safety valve setting . ANSWER -1 1/2
hard scale formed on the inside of tubes is best removed by________ . ANSWER -air-
or water-driven turbines
to correct a low water condition,_____ . ANSWER -secure fires
desuperheater drain is used to_______ . ANSWER -establish steam flow
a sudden rise in chimney temperature with no increase in load indicates______ .
ANSWER -there is a broken baffle
the btu content of natural gas is_____ . ANSWER -100,000 btu/therm
the safety valve setting on the Steam and water drum is ________ a superheater safety
valve . ANSWER -higher than
the btu content of number 6 fuel oil is approximately . ANSWER -18750 BTU / lb
chemicals can be added to a boiler by a______pump . ANSWER -proportioning
the feed water stop valve is found between the____ . ANSWER -boiler and check
valve
ENGINEER LICENSE PREP QUESTIONS
WITH COMPLETE SOLUTIONS
QUESTIONS WITH SOLUTIONS
_________ are necessary for complete combustion . ANSWER -time, temperature,
mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ .
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 . ANSWER -12
an oil cooler is commonly used with a(n) ________ when operating in conjunction
with a turbo-generator . 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 .
ANSWER -superheated
the economizer on a boiler is used to _______ . ANSWER -add heat to the feed water
blowers are normally used with________ boilers . ANSWER -water tube
overheating of tubes on a boiler can be caused by________ . ANSWER -scale on tubes
carbon dioxide in a condensate return system causes_________ . ANSWER -
channeling
a ________ pump is a positive displacement pump . ANSWER -reciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr . ANSWER -
6,000,000
a bottom blowdown is performed on a boiler to _____ . ANSWER -discharge sludge
and sediment
water columns are connected to the boiler with a minimum of _______" pipe .
ANSWER -1
,the minimum size of a water column blowdown valve is_______". . ANSWER -3/4
the maximum size bottom blowdown valve on a boiler is_________". . ANSWER -2
1/2
a ________ allows condensate to pass through, but stops Steam. . ANSWER -a steam
trap
when taking over a shift, the first thing to do is check the________ . 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________ . ANSWER -two or more safety valves
the probable cause of an increase in temperature of gases of combustion at the boiler
Outlet is____ . ANSWER -dirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a
free-flowing drain between them . ANSWER -manhole openings
in order to be sure the gauge glass is indicating an accurate water level reading, the
stationary engineer should______ . ANSWER -blowdown the gauge glass
a continuous blowdown line is located___ . ANSWER -in the Steam and water drum
well below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f . ANSWER -176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ . ANSWER -poor efficiency
a manometer is red in________ . ANSWER -inches of water
the boiling point of water will____ with an increase in pressure . ANSWER -be raised
if a lather is not obtained when performing a soap hardness test, the water sample
is_______ . ANSWER -hard
combustion efficiency can be increased when air is________ . ANSWER -preheated
______ draft is produced by a fan located between the boiler and the chimney .
ANSWER -induced
the overspeed trip on a steam turbine should be tested ______ . ANSWER -before
putting the steam turbine on-line
, a high CO2 reading in the gases of combustion is a sign of____ . ANSWER -High
combustion efficiency
the purpose of chemically treating feedwater is to________ . ANSWER -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)
_______. . ANSWER -Loop seal or internal overflow
a steam turbine operating at 3600 RPM will trip at_________ rpm . ANSWER -3960
he steam line going to The Blowers is connected to the main ________ . ANSWER -
steam drum
before using blowers on a boiler,________ . ANSWER -drain set blower lines
an accumulation of snow on the Fireside of a boiler tubes________ . ANSWER -
decreases boiler efficiency
a globe valve installed in the feed water line between the feed water pump and boiler
has a pressure from the feed water pump_________ the valve disc . ANSWER -under
the range of a pressure gauge should be twice the safety valve setting, but not less
than______ time (s) the safety valve setting . ANSWER -1 1/2
hard scale formed on the inside of tubes is best removed by________ . ANSWER -air-
or water-driven turbines
to correct a low water condition,_____ . ANSWER -secure fires
desuperheater drain is used to_______ . ANSWER -establish steam flow
a sudden rise in chimney temperature with no increase in load indicates______ .
ANSWER -there is a broken baffle
the btu content of natural gas is_____ . ANSWER -100,000 btu/therm
the safety valve setting on the Steam and water drum is ________ a superheater safety
valve . ANSWER -higher than
the btu content of number 6 fuel oil is approximately . ANSWER -18750 BTU / lb
chemicals can be added to a boiler by a______pump . ANSWER -proportioning
the feed water stop valve is found between the____ . ANSWER -boiler and check
valve
