BOILER LICENSE "A" TEST
A. Eighty four.Seventy eight FIND OUT WHY
In a boiler room there's an HRT boiler with the following dimensions: the drum is 96 inches in
diameter and 36 ft long; there are a complete of ninety tubes, four inches in diameter,; and the
boiler shell is bricked 1/3 of the gap from above.
What is the total heating surface of the tube sheets, in rectangular feet?
Select one:
a. Eighty four.78 Correct
b. One hundred and one.87
c. 74.Eighty
d. Ninety five.31
d. Open the firesides and take away the burners
When performing an inspection of the internal shape in the steam and water drum at some point
of annual upkeep on a water tube boiler, what are the vital precautions?
Select one:
a. Lock and tag the protection valve
b. Comply with constrained area entry techniques
c. Open the bottom blowdown traces to prevent backflow
d. Open the firesides and dispose of the burners
a. To save you air from coming into the condenser
Why is it vital to preserve a water seal at the atmospheric comfort valve?
,Select one:
a. To save you air from coming into the condenser
b. Forestall steam from blowing out of the turbine
c. Save you particulates from coming into the turbine
d. Prevent steam from coming into the turbine
Q=MC(T2-T1)
Q=MC air(T2-T1)
Q=40.24550-40
Q=40.24490
Q=4704 BTU
What is the amount of heat had to boost 40 kilos of air from 60 stages F to 550 degrees F?
Select one:
a. 2,326 Btu
b. 5,415 Btu
c. 4,704
d. 504 Btu
d. Carbonite
Which of the following isn't a type of coal?
Select one:
a. Lignite
b. Anthracite
,c. Sub-bituminous
d. Carbonite
a. A approach of introducing lime and
water in the flue gas
What is a slaker?
Select one:
a. A method of introducing lime and
water inside the flue gasoline
b. A damper in the flue gas circulation
that directs the gasses of combustion
to the superheater
c. A technique of overfiring the boiler
to provide more steam
d. A form of regenerative air preheater
d. Rappers
How are particulates which can be collected in precipitators discharged into hoppers?
Select one:
a. Shakers
b. Lovers
c. Vacuums
d. Rappers
a. A Balanced Valve
, An automatic manipulate valve normally used to maintain feedwater stages in a boiler whose
internal design is constructed with 2 valves and 2 discs is referred to?
Select one:
a. A Balanced Valve
b. An Automated Plug Valve
c. A Type-B Steam PSI lowering valve
d. A Double Check Valve
b. Controls via water stage, steam waft, and feedwater drift
Operation of the feedwater control valve only_________.
Select one:
a. Senses and controls via air psi and water stage
b. Controls via water degree, steam float, and feedwater float
c. Controls by means of air psi, steam float, and water go with the flow
d. Controls by way of steam glide and water flow
Q=MC(T2-T1)
Q=M*C WATERT1)
Q=21(212-32)
Q=21180
Q=360 BTUS
To take 2 kilos of water from 32°F to 212°F calls for what number of BTUs?
Select one:
a. 360
A. Eighty four.Seventy eight FIND OUT WHY
In a boiler room there's an HRT boiler with the following dimensions: the drum is 96 inches in
diameter and 36 ft long; there are a complete of ninety tubes, four inches in diameter,; and the
boiler shell is bricked 1/3 of the gap from above.
What is the total heating surface of the tube sheets, in rectangular feet?
Select one:
a. Eighty four.78 Correct
b. One hundred and one.87
c. 74.Eighty
d. Ninety five.31
d. Open the firesides and take away the burners
When performing an inspection of the internal shape in the steam and water drum at some point
of annual upkeep on a water tube boiler, what are the vital precautions?
Select one:
a. Lock and tag the protection valve
b. Comply with constrained area entry techniques
c. Open the bottom blowdown traces to prevent backflow
d. Open the firesides and dispose of the burners
a. To save you air from coming into the condenser
Why is it vital to preserve a water seal at the atmospheric comfort valve?
,Select one:
a. To save you air from coming into the condenser
b. Forestall steam from blowing out of the turbine
c. Save you particulates from coming into the turbine
d. Prevent steam from coming into the turbine
Q=MC(T2-T1)
Q=MC air(T2-T1)
Q=40.24550-40
Q=40.24490
Q=4704 BTU
What is the amount of heat had to boost 40 kilos of air from 60 stages F to 550 degrees F?
Select one:
a. 2,326 Btu
b. 5,415 Btu
c. 4,704
d. 504 Btu
d. Carbonite
Which of the following isn't a type of coal?
Select one:
a. Lignite
b. Anthracite
,c. Sub-bituminous
d. Carbonite
a. A approach of introducing lime and
water in the flue gas
What is a slaker?
Select one:
a. A method of introducing lime and
water inside the flue gasoline
b. A damper in the flue gas circulation
that directs the gasses of combustion
to the superheater
c. A technique of overfiring the boiler
to provide more steam
d. A form of regenerative air preheater
d. Rappers
How are particulates which can be collected in precipitators discharged into hoppers?
Select one:
a. Shakers
b. Lovers
c. Vacuums
d. Rappers
a. A Balanced Valve
, An automatic manipulate valve normally used to maintain feedwater stages in a boiler whose
internal design is constructed with 2 valves and 2 discs is referred to?
Select one:
a. A Balanced Valve
b. An Automated Plug Valve
c. A Type-B Steam PSI lowering valve
d. A Double Check Valve
b. Controls via water stage, steam waft, and feedwater drift
Operation of the feedwater control valve only_________.
Select one:
a. Senses and controls via air psi and water stage
b. Controls via water degree, steam float, and feedwater float
c. Controls by means of air psi, steam float, and water go with the flow
d. Controls by way of steam glide and water flow
Q=MC(T2-T1)
Q=M*C WATERT1)
Q=21(212-32)
Q=21180
Q=360 BTUS
To take 2 kilos of water from 32°F to 212°F calls for what number of BTUs?
Select one:
a. 360
