1|Page
ABSA B1 Study Bank Questions (2025)
COMPREHENSIVE 400+ QUESTIONS AND VERIFIED
DETAILED SOLUTIONS ( MULTIPLE CHOICES) |100%
CORRECT!!
Packaged watertube boilers capacities range from?
a. 2300 kg to 65000 kg per hour
b. 500 kg to 100 mg per hour
c. 15 psi to 15000 kg per hour
d. 65000 to 100000 kg per hour - (answers)A
The main advantage of the packaged boiler is its
a. small size
b. compact design
c. low cost
D. quality steam - (answers)C
Feild erected boilers have outputs of?
A 75,000 kg/h
B 100,000 kg/h
C 100 mg/h
D 150,000 kg/h or more - (answers)D
,2|Page
Where electric power is used as a heating source, the boiler rating shall be the
maximum kilowatt rating of the
A Power plant
B Heating element
C Boiler wiring
D MCC - (answers)B
The down cameras are located in the _______ regions of the boiler, or external to
the furnace all together. The risers are located in the_______zones of the boiler
being exposed to radiant heat of the furnace or very hot flu gases near the
furnace
A Back, front
B Cooler, hottest
C Water, furnace
D Drum, radiant - (answers)B
The steam separating equipment separates the______ from the steam/water
mixture
A Water
B Steam
C Impurities
D Water droplets - (answers)B
,3|Page
There are several factors that influence the natural circulation in a watertube
boiler. These are:
A The height of the steam drum above the bottom drum or header
B The amount of heat applied to the tube. The hotter the tube becomes, the
more steam bubbles are formed, creating more mass differential and thus more
circulation.
C The operating pressure of the boiler. As boiler pressures increase, the density of
the steam increases
D The cleanliness of the tubes can also affect circulation
E All of the above - (answers)E
The purpose of the downcomer is to supply:
A Hot water to the steam drum
B Cool water to the steam drum
C Cool water from the steam drum to the rest of the boiler
D Steam to the steam drum
E Boiler feed water to the boiler - (answers)C
These types of boilers [A, D, and O] have furnaces cooled by_______lining the
furnace walls
A Watertubes
B Fans
C Desuperheaters
, 4|Page
D Air circulation - (answers)A
A steam generating unit consists of a number of elements all of which contribute
to the production of steam. The elements of a typical steam generator include:
1 Boiler
2 Superheater
3 Ash removal equipment
4 Reheater
5 Economizer
6 Steam piping
7 Air heater
8 Fuel equipment
9 Draft fans
A 1,2,7,8,9
B 1,2,4,5,7,8,9
C 3,4,6,7,8
D 1,2,3,4,5,7,8,9 - (answers)D
In steam generating units the feed water entering the boiler section 1st passes
through the_______section where it is heated by the combustion gas is leaving
the boiler
A Furnace
ABSA B1 Study Bank Questions (2025)
COMPREHENSIVE 400+ QUESTIONS AND VERIFIED
DETAILED SOLUTIONS ( MULTIPLE CHOICES) |100%
CORRECT!!
Packaged watertube boilers capacities range from?
a. 2300 kg to 65000 kg per hour
b. 500 kg to 100 mg per hour
c. 15 psi to 15000 kg per hour
d. 65000 to 100000 kg per hour - (answers)A
The main advantage of the packaged boiler is its
a. small size
b. compact design
c. low cost
D. quality steam - (answers)C
Feild erected boilers have outputs of?
A 75,000 kg/h
B 100,000 kg/h
C 100 mg/h
D 150,000 kg/h or more - (answers)D
,2|Page
Where electric power is used as a heating source, the boiler rating shall be the
maximum kilowatt rating of the
A Power plant
B Heating element
C Boiler wiring
D MCC - (answers)B
The down cameras are located in the _______ regions of the boiler, or external to
the furnace all together. The risers are located in the_______zones of the boiler
being exposed to radiant heat of the furnace or very hot flu gases near the
furnace
A Back, front
B Cooler, hottest
C Water, furnace
D Drum, radiant - (answers)B
The steam separating equipment separates the______ from the steam/water
mixture
A Water
B Steam
C Impurities
D Water droplets - (answers)B
,3|Page
There are several factors that influence the natural circulation in a watertube
boiler. These are:
A The height of the steam drum above the bottom drum or header
B The amount of heat applied to the tube. The hotter the tube becomes, the
more steam bubbles are formed, creating more mass differential and thus more
circulation.
C The operating pressure of the boiler. As boiler pressures increase, the density of
the steam increases
D The cleanliness of the tubes can also affect circulation
E All of the above - (answers)E
The purpose of the downcomer is to supply:
A Hot water to the steam drum
B Cool water to the steam drum
C Cool water from the steam drum to the rest of the boiler
D Steam to the steam drum
E Boiler feed water to the boiler - (answers)C
These types of boilers [A, D, and O] have furnaces cooled by_______lining the
furnace walls
A Watertubes
B Fans
C Desuperheaters
, 4|Page
D Air circulation - (answers)A
A steam generating unit consists of a number of elements all of which contribute
to the production of steam. The elements of a typical steam generator include:
1 Boiler
2 Superheater
3 Ash removal equipment
4 Reheater
5 Economizer
6 Steam piping
7 Air heater
8 Fuel equipment
9 Draft fans
A 1,2,7,8,9
B 1,2,4,5,7,8,9
C 3,4,6,7,8
D 1,2,3,4,5,7,8,9 - (answers)D
In steam generating units the feed water entering the boiler section 1st passes
through the_______section where it is heated by the combustion gas is leaving
the boiler
A Furnace
