3rd class stationary steam engineer
license prep Questions And Answers
_________ 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
license prep Questions And Answers
_________ 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
