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3rd class stationary steam engineer license prep EXAM Questions with Accurate Answers
3rd class stationary steam engineer license prep EXAM Questions with Accurate Answers
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3rd class stationary steam engineer licenseprep EXAM Questions with Accurate 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
- 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
- the range of a pressure gauge should be twice the safety valve setting, but
not less than______ time (s) the safety valve setting - - 1 1/2
- hard scale formed on the inside of tubes is best removed by________ - - air-
or water-driven turbines
- to correct a low water condition,_____ - - secure fires
- desuperheater drain is used to_______ - - establish steam flow
- a sudden rise in chimney temperature with no increase in load
indicates______ - - there is a broken baffle
- the btu content of natural gas is_____ - - 100,000 btu/therm
- the safety valve setting on the Steam and water drum is ________ a
superheater safety valve - - higher than
- the btu content of number 6 fuel oil is approximately - - 18750 BTU / lb
- chemicals can be added to a boiler by a______pump - - proportioning
- the feed water stop valve is found between the____ - - boiler and check
valve
- sensible heat is______ - - heat that can be measured with a thermometer
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