First Class Steam License Actual Exam 2026/2027
Newest Complete 150 Questions And 100%Correct
Detailed Answers| Already Graded A+|Brand New!!
___ is the process where the water level in a boiler
momentarily rises with an increase in steam demand -
ANSWER-Swell
___ feedwater regulators are found on package fire-tube
or watertube boilers where feedwater pumps run either
intermittently or consistantly - ANSWER-Float
A 3-element feedwater regulator measures the steam flow
from the boiler..... the ___ into the boiler, and the water
level - ANSWER-feedwater flow
,After blowing down a thermohydraulic feedwater regulator,
approximately 60 minutes should be allowed for the
regulator to ___ before being returned to serviuce -
ANSWER-stabilize
A ___ is used in applications where there are varying flows
of condensate and additional condensate storage capacity
is required - ANSWER-surge tank
The ___ pump uses the shape of its casing to direct the
discharge - ANSWER-centrifugal
,Some boiler rooms use ___ pumps for reserve or back-up
units in the event of an electrical power failure - ANSWER-
reciprocating
An ___ feedwater heater allows steam and feedwater to
mix with each other at atomspheric pressure to raise the
temperature of the water. - ANSWER-open
Boiler water is treated to prevent ___ - ANSWER--scale
.......
-pitting..... and
-caustic embrittlement
, Hardness is a measure of scale-forming ___ dissolved in
water - ANSWER-minerals
Boiler water having high alkalinity could develop ___ -
ANSWER-caustic embrittlement
Deposits of calcium and magnesium carbonates on the
boiler surface cause ___ - ANSWER-scale
Pitting and channeling of boiler metal in the water are
caused by ___ - ANSWER-oxygen and carbon dioxide
Chemicals added to the boiler water change the scale-
forming salts into a ___ - ANSWER-non-adhering sludge
Newest Complete 150 Questions And 100%Correct
Detailed Answers| Already Graded A+|Brand New!!
___ is the process where the water level in a boiler
momentarily rises with an increase in steam demand -
ANSWER-Swell
___ feedwater regulators are found on package fire-tube
or watertube boilers where feedwater pumps run either
intermittently or consistantly - ANSWER-Float
A 3-element feedwater regulator measures the steam flow
from the boiler..... the ___ into the boiler, and the water
level - ANSWER-feedwater flow
,After blowing down a thermohydraulic feedwater regulator,
approximately 60 minutes should be allowed for the
regulator to ___ before being returned to serviuce -
ANSWER-stabilize
A ___ is used in applications where there are varying flows
of condensate and additional condensate storage capacity
is required - ANSWER-surge tank
The ___ pump uses the shape of its casing to direct the
discharge - ANSWER-centrifugal
,Some boiler rooms use ___ pumps for reserve or back-up
units in the event of an electrical power failure - ANSWER-
reciprocating
An ___ feedwater heater allows steam and feedwater to
mix with each other at atomspheric pressure to raise the
temperature of the water. - ANSWER-open
Boiler water is treated to prevent ___ - ANSWER--scale
.......
-pitting..... and
-caustic embrittlement
, Hardness is a measure of scale-forming ___ dissolved in
water - ANSWER-minerals
Boiler water having high alkalinity could develop ___ -
ANSWER-caustic embrittlement
Deposits of calcium and magnesium carbonates on the
boiler surface cause ___ - ANSWER-scale
Pitting and channeling of boiler metal in the water are
caused by ___ - ANSWER-oxygen and carbon dioxide
Chemicals added to the boiler water change the scale-
forming salts into a ___ - ANSWER-non-adhering sludge
