POWER ENGINEERING ABSA 3A2/3A2
EXAM QUESTIONS AND ANSWERS.
VERIFIED 2026.
The purpose of a frequency meter - ANS indicate the frequency of the power being induced
the prevent freezing of an industrial firewater system a safe rule to follow is ensuring the top of
the pipe is burried not less than_______ below the lowest frost line - ANS 0.3m
on/off control the final control element is either ____ positive or _____negitive - ANS 100%,
100%
some characteristics of the series DC motor include - ANS small current at no load conditions
danger of overspeed if the load is removed
the load current equals the exitation current
advantage of a panel mounted alarm annunciator over computer moniter displays -
ANS operator can quickly recognize an alarm by its location on the panel without scrolling
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, _____ is often the first indication of a fire so automatic dectectors should be used -
ANS smoke
controlling the identified indirect cause of workplace accidents or incidents is normally long
term development process involving____ measures or system changes - ANS preventitive
CSA-b51 a pressure vessel installed in a closed hot water system or cooling system provided a
pneumatic cushion or the expansion of water is called - ANS a cushion tank
iron or constantan ca be used in a thermocouple to measure a temp range of - ANS -210 to
1200
difference between the set point and the actual procces variable is known as offset and is a
charecteristic of___ controllers - ANS Proportional only
if an___ generator looses exitation the rotor accelerates and it operates as an induction
generator running above ____ speed - ANS synchronous, synchronous
a double seated balance valve could be described as - ANS passing up to twice as much fluid
as a single port valve, it generally divides the flow in half through to control ports
in a thermostatic trap the bellows are usually filled with - ANS alcohol
symbol for flux density is______ and the symbol for mag flux is____ - ANS B, o with a line
through it
formulas under asme bpvc section 1 power boilers 27.2.2 the value t represents -
ANS minimum thickness of metal
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
EXAM QUESTIONS AND ANSWERS.
VERIFIED 2026.
The purpose of a frequency meter - ANS indicate the frequency of the power being induced
the prevent freezing of an industrial firewater system a safe rule to follow is ensuring the top of
the pipe is burried not less than_______ below the lowest frost line - ANS 0.3m
on/off control the final control element is either ____ positive or _____negitive - ANS 100%,
100%
some characteristics of the series DC motor include - ANS small current at no load conditions
danger of overspeed if the load is removed
the load current equals the exitation current
advantage of a panel mounted alarm annunciator over computer moniter displays -
ANS operator can quickly recognize an alarm by its location on the panel without scrolling
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, _____ is often the first indication of a fire so automatic dectectors should be used -
ANS smoke
controlling the identified indirect cause of workplace accidents or incidents is normally long
term development process involving____ measures or system changes - ANS preventitive
CSA-b51 a pressure vessel installed in a closed hot water system or cooling system provided a
pneumatic cushion or the expansion of water is called - ANS a cushion tank
iron or constantan ca be used in a thermocouple to measure a temp range of - ANS -210 to
1200
difference between the set point and the actual procces variable is known as offset and is a
charecteristic of___ controllers - ANS Proportional only
if an___ generator looses exitation the rotor accelerates and it operates as an induction
generator running above ____ speed - ANS synchronous, synchronous
a double seated balance valve could be described as - ANS passing up to twice as much fluid
as a single port valve, it generally divides the flow in half through to control ports
in a thermostatic trap the bellows are usually filled with - ANS alcohol
symbol for flux density is______ and the symbol for mag flux is____ - ANS B, o with a line
through it
formulas under asme bpvc section 1 power boilers 27.2.2 the value t represents -
ANS minimum thickness of metal
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
