(4A) Exam, ABSA 2026 Practice Questions
with Answers
Introduction:
This document contains a comprehensive collection of
multiple-choice practice questions with correct answers for
the ABSA Fourth Class Power Engineering (4A) exam. It covers
key topics such as power plant definitions, certification
requirements, safety regulations, boiler capacities, SI units,
automation, and the roles and responsibilities of power
engineers. The material is suitable for exam preparation and
revision and aligns closely with the knowledge required for the
ABSA 4A certification.
Exam Questions and Answers:
A mole refers to a quantity of:
a) Time
b) Amount of substance
c) Luminous intensity
,d) Electric current
e) Length ---Correct Answer---b
Which of the following is not a definition of a power plant?
a) Any one or more boilers in which steam or other vapour is
generated at more than 103 kPa (15 psi).
b) Any one or more boilers containing liquid and having a
working pressure exceeding 1100 kPa (160 psi).
c) Any one or more boilers containing liquid and having a
working temperature exceeding 121 degrees Celsius (250
degrees Fahrenheit).
d) Any one or more boilers in which steam or other vapour is
generated at less than 57 kPa (8 psi).
e) Any engine run from one or more boilers containing liquid
and having a working pressure exceeding 1100 kPa (160 psi). --
-Correct Answer---d
Early government involvement in certification of power
engineers became more important for the following reasons
except:
a) efficiency
, b) labour mobility
c) safety
d) pollution
e) technological advancements ---Correct Answer---d
Which of the following is not characteristic of increased
automation in power plants?
a) computerised control stations
b) increased mechanisation
c) manual flame checking
d) continuous monitoring of processes
e) continuous monitoring of costs ---Correct Answer---c
"Power plant" means
a) any one or more boilers in which steam or other vapour is
generated at more than 103 kPa (15 psi).
b) any one or more boilers in which steam or other liquid is
generated at more than 103 kPa (15 psi).