ENGINEER LICENSE PREP CORRECT
100%
_________ are necessary for complete combustion - ANSWERtime, temperature,
mixture, and atomization
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ -
ANSWER214.7
a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at
398 PSI. The blowdown is______psi - ANSWER12
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a
turbo-generator - ANSWERsteam 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 -
ANSWERsuperheated
the economizer on a boiler is used to _______ - ANSWERadd heat to the feed water
blowers are normally used with________ boilers - ANSWERwater tube
overheating of tubes on a boiler can be caused by________ - ANSWERscale on tubes
carbon dioxide in a condensate return system causes_________ - ANSWERchanneling
a ________ pump is a positive displacement pump - ANSWERreciprocating
a boiler generating 6000 lb of steam/hr produces _______btu/hr - ANSWER6,000,000
a bottom blowdown is performed on a boiler to _____ - ANSWERdischarge sludge and
sediment
water columns are connected to the boiler with a minimum of _______" pipe -
ANSWER1
the minimum size of a water column blowdown valve is_______". - ANSWER3/4
the maximum size bottom blowdown valve on a boiler is_________". - ANSWER2 1/2
, a ________ allows condensate to pass through, but stops Steam. - ANSWERa steam
trap
when taking over a shift, the first thing to do is check the________ - ANSWERwater
level in each boiler
according to the asme code, a high-pressure boiler having more than 500 square feet of
heating surface shall have________ - ANSWERtwo or more safety valves
the probable cause of an increase in temperature of gases of combustion at the boiler
Outlet is____ - ANSWERdirty heating services
boilers in battery equipped with________ must have two main steam stop valves and a
free-flowing drain between them - ANSWERmanhole openings
in order to be sure the gauge glass is indicating an accurate water level reading, the
stationary engineer should______ - ANSWERblowdown the gauge glass
a continuous blowdown line is located___ - ANSWERin the Steam and water drum well
below the nowl
a temperature reading of 80 degrees Celsius is equal to_________°f - ANSWER176
a chimney temperature of 250 degrees Fahrenheit above steam temperature
indicates_______ - ANSWERpoor efficiency
a manometer is red in________ - ANSWERinches of water
the boiling point of water will____ with an increase in pressure - ANSWERbe raised
if a lather is not obtained when performing a soap hardness test, the water sample
is_______ - ANSWERhard
combustion efficiency can be increased when air is________ - ANSWERpreheated
______ draft is produced by a fan located between the boiler and the chimney -
ANSWERinduced
the overspeed trip on a steam turbine should be tested ______ - ANSWERbefore
putting the steam turbine on-line
a high CO2 reading in the gases of combustion is a sign of____ - ANSWERHigh
combustion efficiency
the purpose of chemically treating feedwater is to________ - ANSWERturn scale-
forming salts to a non adhering sludge