3RD Class Stationary Steam Engineer License Prep
Exam Questions And Answers 100% Correct
_________ 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
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
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
a steam turbine operating at 3600 RPM will trip at_________ rpm - 3960
he steam line going to The Blowers is connected to the main ________ - steam drum
before using blowers on a boiler,________ - drain set blower lines
an accumulation of snow on the Fireside of a boiler tubes________ - 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 - under
Exam Questions And Answers 100% Correct
_________ 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
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
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
a steam turbine operating at 3600 RPM will trip at_________ rpm - 3960
he steam line going to The Blowers is connected to the main ________ - steam drum
before using blowers on a boiler,________ - drain set blower lines
an accumulation of snow on the Fireside of a boiler tubes________ - 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 - under
