4A ABSA Exam Questions & Answers
(Grade A+)
The composition by volume of fuel in the air/fuel mixture
determines the _______ of the mix.
A. Flammable Limit
B. flow point
C. Pour point
D. explosion point
E. Floc point -
correct answer ✅A. Flammable limit
Fine particles are unable to be effectively collected in:
A. Centrifugal collectors
B. electrostatic precipitators
C. Micron filters
D. air filtration bags
E. All of the above -
correct answer ✅A. Centrifugal collectors
Which of the following component(s) would you find in a control
loop?
A. Transmitter
,4A ABSA Exam Questions & Answers
(Grade A+)
B. Sensing element
C. Control valve
D. Controller
E. All of the above -
correct answer ✅B. Sensing element
Immediately after rolling, a reeling machine smooths the outer
surface of the hot tube.
A. Process referred to as extrusion
B. Process referred to as reeling
C. Process referred to as rolling
D. Process referred to as burnishing
E. Process referred to as lengthening -
correct answer ✅D. Process referred to as burnishing
A _______ is installed in low voltage or line voltage applications.
A. Duct thermostat
B. Modulating thermostat
C. Bimetal thermostat
D. Remote bulb thermostat
,4A ABSA Exam Questions & Answers
(Grade A+)
E. Aquastat -
correct answer ✅D. Remote bulb thermostat
______ is the overflow of deposited weld metal over the base
metal without fusion.
A. Undercut
B. Slag inclusions
C. Overlap
D. Distortion
E. Cracks -
correct answer ✅C. Overlap
Due to the nature of ______ above and below 4°C, it will expand.
A. Water
B. Oil
C. Mercury
D. Steam
E. Clay -
correct answer ✅A. Water
, 4A ABSA Exam Questions & Answers
(Grade A+)
A combination superheater has a _____.
A. Linear temp characteristic
B. Steady temp characteristic
C. Fluctuating temp characteristic
D. Rising temp characteristic
E. Falling temp characteristic -
correct answer ✅B. Steady temp characteristic
In circumstances where electric power is the primary heating
source, the maximum output kilowatt rating of the heating element
for electric boilers equals the ____.
A. Boiler rating
B. Boiler size
C. Boiler effectiveness
D. Boiler efficiency
E. Boiler factor of safety -
correct answer ✅A. Boiler rating
ASME Code Section VI covers the recommended rules for the care
of ____.
A. Controlled products
(Grade A+)
The composition by volume of fuel in the air/fuel mixture
determines the _______ of the mix.
A. Flammable Limit
B. flow point
C. Pour point
D. explosion point
E. Floc point -
correct answer ✅A. Flammable limit
Fine particles are unable to be effectively collected in:
A. Centrifugal collectors
B. electrostatic precipitators
C. Micron filters
D. air filtration bags
E. All of the above -
correct answer ✅A. Centrifugal collectors
Which of the following component(s) would you find in a control
loop?
A. Transmitter
,4A ABSA Exam Questions & Answers
(Grade A+)
B. Sensing element
C. Control valve
D. Controller
E. All of the above -
correct answer ✅B. Sensing element
Immediately after rolling, a reeling machine smooths the outer
surface of the hot tube.
A. Process referred to as extrusion
B. Process referred to as reeling
C. Process referred to as rolling
D. Process referred to as burnishing
E. Process referred to as lengthening -
correct answer ✅D. Process referred to as burnishing
A _______ is installed in low voltage or line voltage applications.
A. Duct thermostat
B. Modulating thermostat
C. Bimetal thermostat
D. Remote bulb thermostat
,4A ABSA Exam Questions & Answers
(Grade A+)
E. Aquastat -
correct answer ✅D. Remote bulb thermostat
______ is the overflow of deposited weld metal over the base
metal without fusion.
A. Undercut
B. Slag inclusions
C. Overlap
D. Distortion
E. Cracks -
correct answer ✅C. Overlap
Due to the nature of ______ above and below 4°C, it will expand.
A. Water
B. Oil
C. Mercury
D. Steam
E. Clay -
correct answer ✅A. Water
, 4A ABSA Exam Questions & Answers
(Grade A+)
A combination superheater has a _____.
A. Linear temp characteristic
B. Steady temp characteristic
C. Fluctuating temp characteristic
D. Rising temp characteristic
E. Falling temp characteristic -
correct answer ✅B. Steady temp characteristic
In circumstances where electric power is the primary heating
source, the maximum output kilowatt rating of the heating element
for electric boilers equals the ____.
A. Boiler rating
B. Boiler size
C. Boiler effectiveness
D. Boiler efficiency
E. Boiler factor of safety -
correct answer ✅A. Boiler rating
ASME Code Section VI covers the recommended rules for the care
of ____.
A. Controlled products
