Page 1 of 107
ABSA 4TH CLASS PART A EXAM REVIEW |
FREQUENTLY TESTED QUESTIONS WITH
CORRECT ANSWERS | BRAND NEW!
Why should hard hats never be painted?
Select one:
a. Toxic fumes may be released
b. Paint does not adhere well to plastic
c. Different colors normally indicate varying job positions or
departments in plants
d. Paint will weaken the plastic - ✔✔✔ correct answer > d. Paint will
weaken the plastic
When a process variable has no method of sending information
to the final control element (a valve for example) the system is
known as:
Select one:
a. An open loop system
b. A cascade system
c. A feedback system
,Page 2 of 107
d. A feedforward system - ✔✔✔ correct answer > a. An open loop
system
Tubes for high pressure service are usually:
Select one:
a. Resistance welded construction
b. Seamless construction
c. Lap welded construction
d. Fin-tube designs - ✔✔✔ correct answer > b. Seamless construction
Power Engineers document the shift activities each shift in log
books, which are________ Select one:
a. Legal documents, required by most jurisdictions in Canada
b. Important for maintenance activities
c. Not required, but usually kept anyway.
d. internal documents - ✔✔✔ correct answer > a. Legal documents,
required by most jurisdictions in Canada
A sudden drop in steam pressure causes
Select one:
a. a sudden increase in drum level
b. a rapid collapse of steam bubbles in the boiler
,Page 3 of 107
c. "shrinkage"
d. a single element feedwater control to immediately add water
to the drum - ✔✔✔ correct answer > a. a sudden increase in drum
level
One of the most important features of the first lines drawn in a
sketch is that they:
Select one:
a. Are to precise scale
b. Are bold
c. Must all show the object outline
d. Show the main proportion of the sketch - ✔✔✔ correct answer > d.
Show the main proportion of the sketch
An area in which the atmosphere contains dust in concentrations
high enough to produce explosive or ignitable mixtures, has an
Electrical Classification of:
Select one:
a. Class 1
b. Class 2
c. Class 3
d. Class 4 - ✔✔✔ correct answer > b. Class 2
, Page 4 of 107
A steam trap should be installed below the _______ point in piping
system it serves.
Select one:
a. Coldest
b. Hottest
c. Highest
d. Lowest - ✔✔✔ correct answer > d. Lowest
The typical time required to heat a fluidized bed to ignition
temperature prior to the introduction of coal is: Select one:
a. One hour
b. 30 minutes
c. Two hours
d. Three hours - ✔✔✔ correct answer > a. One hour
Find the quantity of heat required to raise the temperature of 6.3
kg of glass from 6°C to 210°C if the specific heat of glass is 670
J/kg K.
Select one:
a. 886.4 kJ
b. 861.2 kJ
c. 25.3 kJ
ABSA 4TH CLASS PART A EXAM REVIEW |
FREQUENTLY TESTED QUESTIONS WITH
CORRECT ANSWERS | BRAND NEW!
Why should hard hats never be painted?
Select one:
a. Toxic fumes may be released
b. Paint does not adhere well to plastic
c. Different colors normally indicate varying job positions or
departments in plants
d. Paint will weaken the plastic - ✔✔✔ correct answer > d. Paint will
weaken the plastic
When a process variable has no method of sending information
to the final control element (a valve for example) the system is
known as:
Select one:
a. An open loop system
b. A cascade system
c. A feedback system
,Page 2 of 107
d. A feedforward system - ✔✔✔ correct answer > a. An open loop
system
Tubes for high pressure service are usually:
Select one:
a. Resistance welded construction
b. Seamless construction
c. Lap welded construction
d. Fin-tube designs - ✔✔✔ correct answer > b. Seamless construction
Power Engineers document the shift activities each shift in log
books, which are________ Select one:
a. Legal documents, required by most jurisdictions in Canada
b. Important for maintenance activities
c. Not required, but usually kept anyway.
d. internal documents - ✔✔✔ correct answer > a. Legal documents,
required by most jurisdictions in Canada
A sudden drop in steam pressure causes
Select one:
a. a sudden increase in drum level
b. a rapid collapse of steam bubbles in the boiler
,Page 3 of 107
c. "shrinkage"
d. a single element feedwater control to immediately add water
to the drum - ✔✔✔ correct answer > a. a sudden increase in drum
level
One of the most important features of the first lines drawn in a
sketch is that they:
Select one:
a. Are to precise scale
b. Are bold
c. Must all show the object outline
d. Show the main proportion of the sketch - ✔✔✔ correct answer > d.
Show the main proportion of the sketch
An area in which the atmosphere contains dust in concentrations
high enough to produce explosive or ignitable mixtures, has an
Electrical Classification of:
Select one:
a. Class 1
b. Class 2
c. Class 3
d. Class 4 - ✔✔✔ correct answer > b. Class 2
, Page 4 of 107
A steam trap should be installed below the _______ point in piping
system it serves.
Select one:
a. Coldest
b. Hottest
c. Highest
d. Lowest - ✔✔✔ correct answer > d. Lowest
The typical time required to heat a fluidized bed to ignition
temperature prior to the introduction of coal is: Select one:
a. One hour
b. 30 minutes
c. Two hours
d. Three hours - ✔✔✔ correct answer > a. One hour
Find the quantity of heat required to raise the temperature of 6.3
kg of glass from 6°C to 210°C if the specific heat of glass is 670
J/kg K.
Select one:
a. 886.4 kJ
b. 861.2 kJ
c. 25.3 kJ
