engineer license prep, Stationary Engineer, Station
engineer exam, DC 1st Class Boiler Actual Exam
2026/2027 Newest Complete Questions And
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_________ are necessary for complete combustion -
ANSWER-time, temperature, mixture, and atomization
pressure atomizing burners atomized fuel oil using
_______ - ANSWER-a nozzle
,the. _________ on the steam turbine functions as a limit
switch - ANSWER-overspeed trip
circulating water passes through a surface condenser.
________ - ANSWER-inside the tubes
The Pour point of a fuel oil is. ________ - ANSWER-the
lowest temperature at which oil will flow
a condensate pump is located 75 ' below the feed water
heater and its discharged gauge reads 75 PSI. The
pressure at the inlet to the heater is. _______ psi -
ANSWER-42.525
,a boiler burning fuel oil and using forced-draft requires.
________ cu ft a furnace volume per boiler horsepower -
ANSWER-.75
a boiler evaporates 48,000 lb of steam/hr. it evaporates 12
lb of steam/sq ft of heating surface per hour. The boiler
has _______ as ft of heating surface - ANSWER-4000
a steam turbine exhaust end and condenser are prevented
from excess pressure by ________ - ANSWER-the
atmospheric relief valve
at 0 psi, _______ btu are necessary to change 1 lb of
water from and at 212°f into steam - ANSWER-970.3
, automatic toilets are program to ignite the burner ______ -
ANSWER-in lowfire
________ boilers can operate at higher pressures than fire
tube boilers - ANSWER-water tube
the first step when using a soot blower is ________ -
ANSWER-open Steam line drain
the purpose of a vent on an open feedwater heater is to
_______ - ANSWER-remove air and other non
condensable gases