ABSA 4A UPDATED ACTUAL Questions and CORRECT Answers
The typical time required to heat a fluidized C
bed to ignition temperature prior to the
introduction of coal is:
Select one:
a. Two hours
b. Three hours
c. One hour
d. 30 minutes
When welding thick materials, proper weld C
groove selection and preparation allows
for:
Select one:
a. a quick weld
b. proper heat treatment
c. full penetration
d. omitting the root pass
An interrupted pilot of an automatic boiler: A
Select one:
a. Ignites, is proven stable and extinguishes
after the main flame is established
b. Is one that has been extinguished by an
inadequate flame signal
c. Ignites before the main burner ignites,
and is extinguished when the main burner is
extinguished
d. Burns continuously, like that in a home
furnace
https://quizlet.com/ca/870360272/absa-4a-flash-cards/ 1/18
, In a fluidized bed boiler, a gradual loss of D
the fluidized bed, including fuel (carbon)
particles, is due to:
Select one:
a. Priming
b. Sootblowing
c. Uplift
d. Carryover
The test material for a penetrant test (PT) D
must be:
Select one:
a. ferrous
b. non-ferrous
c. porous
d. non-porous
If your plant maintenance department A
neglects oil changes, filter replacement,
and bearing lubrication, your plant will
eventually need more unscheduled
_______ maintenance.
Select one:
a. Emergency
b. Preventative
c. Routine
d. Project
The holder of a Certificate of Competency, B
the classification of which authorises him or
her to act as a engineer, may sketch,
construct, install, operate, repair, and give
advice on all things pertaining to any in
which that person is employed.
Select one:
a. Welding shop
b. Power plant
c. Fish plant
d. Hydro plant
Which of the following is a single pass D
boiler?
Select one:
a. HRT
b. Scotch marine
c. Packaged firetube
d. Vertical firetube
Iron and steel may be magnetized by D
rubbing the metal with a:
Select one:
a. Stainless steel
b. Steel wool
c. Brass rod
d. Magnet
https://quizlet.com/ca/870360272/absa-4a-flash-cards/ 2/18
, The apparatus which converts current C
signals to pneumatic and pneumatic to
current signals is called a:
Select one:
a. Transformer
b. Inverter
c. Transducer
d. Converter
Before a steam or air atomizing oil burner is A
removed from a boiler furnace, the burner
should be blown out with:
Select one:
a. Steam or air
b. High temperature solvent
c. Coal oil
d. Solvent
Which of the following emissions is NOT A
considered a gaseous pollutant?
Select one:
a. Nitrogen
b. Methane
c. Sulphur oxides
d. Carbon monoxide
A thermostatic steam trap is controlled by B
the:
Select one:
a. Bucket, which flips when filled with
condensate
b. Temperature difference between
condensate and steam
c. air pressure built up on top of disk
d. Difference in velocity between
condensate and steam
A typical application of forged steel in a D
power plant is:
Select one:
a. Ash handling systems
b. Superheated steam lines
c. Superheated steam lines
d. Pipe fittings
A disadvantage of an electric boiler is that A
it:
Select one:
a. Is very expensive to operate
b. Is inefficient
c. Requires alternating current
d. Has no chimney
https://quizlet.com/ca/870360272/absa-4a-flash-cards/ 3/18
The typical time required to heat a fluidized C
bed to ignition temperature prior to the
introduction of coal is:
Select one:
a. Two hours
b. Three hours
c. One hour
d. 30 minutes
When welding thick materials, proper weld C
groove selection and preparation allows
for:
Select one:
a. a quick weld
b. proper heat treatment
c. full penetration
d. omitting the root pass
An interrupted pilot of an automatic boiler: A
Select one:
a. Ignites, is proven stable and extinguishes
after the main flame is established
b. Is one that has been extinguished by an
inadequate flame signal
c. Ignites before the main burner ignites,
and is extinguished when the main burner is
extinguished
d. Burns continuously, like that in a home
furnace
https://quizlet.com/ca/870360272/absa-4a-flash-cards/ 1/18
, In a fluidized bed boiler, a gradual loss of D
the fluidized bed, including fuel (carbon)
particles, is due to:
Select one:
a. Priming
b. Sootblowing
c. Uplift
d. Carryover
The test material for a penetrant test (PT) D
must be:
Select one:
a. ferrous
b. non-ferrous
c. porous
d. non-porous
If your plant maintenance department A
neglects oil changes, filter replacement,
and bearing lubrication, your plant will
eventually need more unscheduled
_______ maintenance.
Select one:
a. Emergency
b. Preventative
c. Routine
d. Project
The holder of a Certificate of Competency, B
the classification of which authorises him or
her to act as a engineer, may sketch,
construct, install, operate, repair, and give
advice on all things pertaining to any in
which that person is employed.
Select one:
a. Welding shop
b. Power plant
c. Fish plant
d. Hydro plant
Which of the following is a single pass D
boiler?
Select one:
a. HRT
b. Scotch marine
c. Packaged firetube
d. Vertical firetube
Iron and steel may be magnetized by D
rubbing the metal with a:
Select one:
a. Stainless steel
b. Steel wool
c. Brass rod
d. Magnet
https://quizlet.com/ca/870360272/absa-4a-flash-cards/ 2/18
, The apparatus which converts current C
signals to pneumatic and pneumatic to
current signals is called a:
Select one:
a. Transformer
b. Inverter
c. Transducer
d. Converter
Before a steam or air atomizing oil burner is A
removed from a boiler furnace, the burner
should be blown out with:
Select one:
a. Steam or air
b. High temperature solvent
c. Coal oil
d. Solvent
Which of the following emissions is NOT A
considered a gaseous pollutant?
Select one:
a. Nitrogen
b. Methane
c. Sulphur oxides
d. Carbon monoxide
A thermostatic steam trap is controlled by B
the:
Select one:
a. Bucket, which flips when filled with
condensate
b. Temperature difference between
condensate and steam
c. air pressure built up on top of disk
d. Difference in velocity between
condensate and steam
A typical application of forged steel in a D
power plant is:
Select one:
a. Ash handling systems
b. Superheated steam lines
c. Superheated steam lines
d. Pipe fittings
A disadvantage of an electric boiler is that A
it:
Select one:
a. Is very expensive to operate
b. Is inefficient
c. Requires alternating current
d. Has no chimney
https://quizlet.com/ca/870360272/absa-4a-flash-cards/ 3/18
