1
For Expert help and assignment solutions, +254707240657
Grade 4 Stationary Engineer License
Practice Questions and Answers (100%
Correct Answers) Already Graded A+
what is a boiler [ANS:] a closed metal container (pressure vessel)
which water is heated to produce steam or heated water
what is steam [ANS:] the vapor that forms when water is heated to
its boiling point
© 2025 Assignment Expert
when did the greatest impact of the use of steam power occur
[ANS:] during the industrial revolution 18th and early 19th century
Guru01 - Stuvia
who invented the steam engine and when [ANS:] James Watt of
Scotland in 1736
How is steam produced [ANS:] water is heated to 212 degrees at
atmospheric pressure
state the first law of thermodynamics [ANS:] energy cannot be
created or destroyed but may be changed from one form to
another
state the second law of thermodynamics [ANS:] heat always flows
from a material at a high temperature to a material at a low
temperature
what is sensible heat [ANS:] heat that causes a temperature
change that can be measured with a thermometer or sensed by
a person
what is latent heat [ANS:] head identified by a change of state
and no temperature change
, 2
For Expert help and assignment solutions, +254707240657
what is a BTU [ANS:] the amount of energy required to raise the
temperature of 1 lb of water 1 degree fahrenheit
name 3 ways heat is transferred [ANS:] conduction, convection,
and radiation
How is heat generated in a boiler [ANS:] by the combustion of a
fuel
name the 3 conditions of combustion [ANS:] perfect, complete. or
incomplete
© 2025 Assignment Expert
name the 3 classifications of combustion air [ANS:] primary air,
secondary air, and excess air
Guru01 - Stuvia
describe the 4 systems all steam boilers operate using [ANS:]
feedwater system, fuel system, draft system, and steam system
what does the feedwater system do? [ANS:] supplies the proper
amount of water to the boiler
what does the draft system regulate? [ANS:] the flow of air to and
from the boiler
what does the fuel system do [ANS:] provides fuel for combustion
to generate the necessary heat in the boiler
what does the steam system do? [ANS:] collects, controls, and
distributes the steam produced an the boiler
what are symbols used for [ANS:] to represent lines, boiler fittings,
and accessories on drawings
For Expert help and assignment solutions, +254707240657
Grade 4 Stationary Engineer License
Practice Questions and Answers (100%
Correct Answers) Already Graded A+
what is a boiler [ANS:] a closed metal container (pressure vessel)
which water is heated to produce steam or heated water
what is steam [ANS:] the vapor that forms when water is heated to
its boiling point
© 2025 Assignment Expert
when did the greatest impact of the use of steam power occur
[ANS:] during the industrial revolution 18th and early 19th century
Guru01 - Stuvia
who invented the steam engine and when [ANS:] James Watt of
Scotland in 1736
How is steam produced [ANS:] water is heated to 212 degrees at
atmospheric pressure
state the first law of thermodynamics [ANS:] energy cannot be
created or destroyed but may be changed from one form to
another
state the second law of thermodynamics [ANS:] heat always flows
from a material at a high temperature to a material at a low
temperature
what is sensible heat [ANS:] heat that causes a temperature
change that can be measured with a thermometer or sensed by
a person
what is latent heat [ANS:] head identified by a change of state
and no temperature change
, 2
For Expert help and assignment solutions, +254707240657
what is a BTU [ANS:] the amount of energy required to raise the
temperature of 1 lb of water 1 degree fahrenheit
name 3 ways heat is transferred [ANS:] conduction, convection,
and radiation
How is heat generated in a boiler [ANS:] by the combustion of a
fuel
name the 3 conditions of combustion [ANS:] perfect, complete. or
incomplete
© 2025 Assignment Expert
name the 3 classifications of combustion air [ANS:] primary air,
secondary air, and excess air
Guru01 - Stuvia
describe the 4 systems all steam boilers operate using [ANS:]
feedwater system, fuel system, draft system, and steam system
what does the feedwater system do? [ANS:] supplies the proper
amount of water to the boiler
what does the draft system regulate? [ANS:] the flow of air to and
from the boiler
what does the fuel system do [ANS:] provides fuel for combustion
to generate the necessary heat in the boiler
what does the steam system do? [ANS:] collects, controls, and
distributes the steam produced an the boiler
what are symbols used for [ANS:] to represent lines, boiler fittings,
and accessories on drawings
