3RD CLASS STATIONARY STEAM
ENGINEER LICENSE PREP
when taking a boiler off line, a vacuum is prevented by. _____ -
ANSWERS-opening the air cock
a valve that requires five 360° turns of the hand wheel to change from
fully open to fully closed is a. _______ valve - ANSWERS-slow
opening
a thermostatic steam trap opens when the ______ - ANSWERS-
Bellows contract
a combustion control on a boiler. _______ - ANSWERS-controls the
air-fuel ratio
when coal is classified, ________ refers to hardness - ANSWERS-
rank
_______ gauge glasses are used on boilers with precious exceeding
250 psi - ANSWERS-flat
oxygen and non condensable gases are removed from feed water by
________ - ANSWERS-heating the water
,__________ combustion is when all fuel is burned using only the
theoretical amount of air - ANSWERS-perfect
water tube boilers require less water than. _________ boilers -
ANSWERS-fire tube
a boiler equipped with a draft gauge and registering a negative
pressure indicates. _________ - ANSWERS-atmospheric pressure is
greater than furnace pressure
pressure atomizing burners atomized fuel oil using _______ -
ANSWERS-a nozzle
the. _________ on the steam turbine functions as a limit switch -
ANSWERS-overspeed trip
circulating water passes through a surface condenser. ________ -
ANSWERS-inside the tubes
The Pour point of a fuel oil is. ________ - ANSWERS-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 - ANSWERS-42.525
,a boiler burning fuel oil and using forced-draft requires. ________ cu
ft a furnace volume per boiler horsepower - ANSWERS-.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 - ANSWERS-4000
a steam turbine exhaust end and condenser are prevented from excess
pressure by ________ - ANSWERS-the atmospheric relief valve
at 0 psi, _______ btu are necessary to change 1 lb of water from and
at 212°f into steam - ANSWERS-970.3
automatic toilets are program to ignite the burner ______ -
ANSWERS-in lowfire
________ boilers can operate at higher pressures than fire tube boilers
- ANSWERS-water tube
the first step when using a soot blower is ________ - ANSWERS-
open Steam line drain
the purpose of a vent on an open feedwater heater is to _______ -
ANSWERS-remove air and other non condensable gases
, cooling water and steam are in in direct contact with each other in
a(n) ________ condenser - ANSWERS-surface
a boiler with 3450 sq ft of heating surface design for 5 sq ft of heating
surface / BHP has ________ hp - ANSWERS-690
a water column _________ - ANSWERS-dampens fluctuating water
level
a closed feedwater heater is always installed. ________ - ANSWERS-
on the discharge side of the feed water pump
_________ is required for combustion - ANSWERS-atomization of
fuel, oxygen, and Heat
heating value of natural gas is expressed in _______ - ANSWERS-
therms
spalling in a boiler occurs in the_______ - ANSWERS-combustion
chamber
economizers are used in Plants to _____ - ANSWERS-heat feedwater
using gases of combustion
fuel oil with a high viscosity_______ - ANSWERS-it's hard to pump
ENGINEER LICENSE PREP
when taking a boiler off line, a vacuum is prevented by. _____ -
ANSWERS-opening the air cock
a valve that requires five 360° turns of the hand wheel to change from
fully open to fully closed is a. _______ valve - ANSWERS-slow
opening
a thermostatic steam trap opens when the ______ - ANSWERS-
Bellows contract
a combustion control on a boiler. _______ - ANSWERS-controls the
air-fuel ratio
when coal is classified, ________ refers to hardness - ANSWERS-
rank
_______ gauge glasses are used on boilers with precious exceeding
250 psi - ANSWERS-flat
oxygen and non condensable gases are removed from feed water by
________ - ANSWERS-heating the water
,__________ combustion is when all fuel is burned using only the
theoretical amount of air - ANSWERS-perfect
water tube boilers require less water than. _________ boilers -
ANSWERS-fire tube
a boiler equipped with a draft gauge and registering a negative
pressure indicates. _________ - ANSWERS-atmospheric pressure is
greater than furnace pressure
pressure atomizing burners atomized fuel oil using _______ -
ANSWERS-a nozzle
the. _________ on the steam turbine functions as a limit switch -
ANSWERS-overspeed trip
circulating water passes through a surface condenser. ________ -
ANSWERS-inside the tubes
The Pour point of a fuel oil is. ________ - ANSWERS-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 - ANSWERS-42.525
,a boiler burning fuel oil and using forced-draft requires. ________ cu
ft a furnace volume per boiler horsepower - ANSWERS-.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 - ANSWERS-4000
a steam turbine exhaust end and condenser are prevented from excess
pressure by ________ - ANSWERS-the atmospheric relief valve
at 0 psi, _______ btu are necessary to change 1 lb of water from and
at 212°f into steam - ANSWERS-970.3
automatic toilets are program to ignite the burner ______ -
ANSWERS-in lowfire
________ boilers can operate at higher pressures than fire tube boilers
- ANSWERS-water tube
the first step when using a soot blower is ________ - ANSWERS-
open Steam line drain
the purpose of a vent on an open feedwater heater is to _______ -
ANSWERS-remove air and other non condensable gases
, cooling water and steam are in in direct contact with each other in
a(n) ________ condenser - ANSWERS-surface
a boiler with 3450 sq ft of heating surface design for 5 sq ft of heating
surface / BHP has ________ hp - ANSWERS-690
a water column _________ - ANSWERS-dampens fluctuating water
level
a closed feedwater heater is always installed. ________ - ANSWERS-
on the discharge side of the feed water pump
_________ is required for combustion - ANSWERS-atomization of
fuel, oxygen, and Heat
heating value of natural gas is expressed in _______ - ANSWERS-
therms
spalling in a boiler occurs in the_______ - ANSWERS-combustion
chamber
economizers are used in Plants to _____ - ANSWERS-heat feedwater
using gases of combustion
fuel oil with a high viscosity_______ - ANSWERS-it's hard to pump
