3rd class stationary steam engineer
license prep
_________ 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
license prep
_________ 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
