ABSA Part A Practice Test Questions with correct verified answers 2026-2027
1. Which reference to scalars and vectors, a space diagram:
a. Illustrates the position of the planets and the stars
b. illustrates a system of vectors
c. shows the relationship of the scalars to the vector
d. illustrates a system of scalars
e. shows the relationship of time to the vector: B
2. The flow of heat from molecule to molecule within a substance or from
molecule of one body to those of another body in direct contact with it is
defined as: a. Conduction
b. Convection
c. Specific heat
d. Latent heat of fusion
e. Absolute pressure: A
3. Water is the best extinguisher for:
A. An oil fire
B. A gas fire
C. An electrical fire
D. A wood fire
E. A metal burning fire: D
4. The coefficient of friction is defined as:
A. the downward force on the two services in contact
B. The force parallel to the surface required to start an object moving
C. The reaction normal perpendicular to the surface
D. The force parallel to the service required to keep an object moving at a
constant linear velocity
E. The ratio of the force required to move up body to the: E
5. To start a body moving which of the following must be overcome?
A. Kinetic friction
B. Static friction
C. Fluid friction
D. Rolling friction
E. Normal force: B
,ABSA Part A Practice Test Questions with correct verified answers 2026-2027
6. Foam extinguishers are recommended for?
A. Class A and Class C fires
B. Class C and Class B fires
C. Class A and Class B fires
D. All classes of fires
E. All but burning liquids: C
7. A control loop controller
A. period does not require a set point value
B. Sends a signal to a primary element
C. Will always eliminate deviation
D. Constantly compares input signals to the setpoint
E. Send signal to the transmitter: D
8. The ratio between the ultimate strength and the allowable stress is defined
as
A. Ultimate stress
B. Maximum allowable load
C. Working stress
D. Factor of safety
E. Elastic limit: D
9. Which of the following constitutes a Class C fire?
A. Fire in an electrical panel
B. Fire in a fuel tank
C. Fire in a lumber pile
D. Fire in a coal bunker
E. Fire in a pile of paper: A
10. The greatest load that can be applied to a material under is design conditions
is called
A. Ultimate stress
B. Elastic limit
C. Allowable stress
D. Factor of safety
E. Maximum allowable load: E
,ABSA Part A Practice Test Questions with correct verified answers 2026-2027
11. External tensile forces acting parallel but not in line produces:
A. Tensile stress
B. Compressive stress
C. Working stress
D. Shear stress
E. Compressive strain: D
12. If an object is in motion along a fractional surface in a certain direction what
will be the direction of frictional force exerted on that object?
A. Same
B. Opposite
C. Perpendicular
D. Angular with
E. Angular against: B
13. Stepper motors have/are:
A. Very high speed operation
B. Minimum torque when at standstill
C. Low reliability
D. Slow starting
E. Low efficiency: E
14. are pieces of slag or tungsten that are trapped in a weld deposit
A. Porosity
B. Undercut
C. Incomplete fusion
D. Incomplete penetration
E. Inclusions: E
15. NDIR Detectors detect:
A. CO/CO2
B. SO2
C. NOx
D. Relative humidity
E. CH4: A
,ABSA Part A Practice Test Questions with correct verified answers 2026-2027
16. Brass is an alloy of
A. Copper and bronze
B. Copper and lead
C. Brass and lead
D. Copper and tin
E. Copper and zinc: E
17. The area under a velocity vs. time graph equal:
a. Distance
b. Speed
c. Acceleration
d. Displacement
e. Average velocity: D
18. A single vector which can replace a system of actors and has the same effect
is called a
a complainer vector
b resultant
c concurrent factor
D scholar
E concentric vector: B
19. Which of the following is an advantage of gear drives over belt drives?
a overall drive length can be longer
b there is no slippage
c. gear drives require minimal maintenance
d. gear drives are more versatile
e. gear drives requires no maintenance: B
20. In a Venturi tube blank or more of the upstream pressure is recovered down
stream
A.80%
B. 90%
C. 70%
D. 100%
E. 60%: B
1. Which reference to scalars and vectors, a space diagram:
a. Illustrates the position of the planets and the stars
b. illustrates a system of vectors
c. shows the relationship of the scalars to the vector
d. illustrates a system of scalars
e. shows the relationship of time to the vector: B
2. The flow of heat from molecule to molecule within a substance or from
molecule of one body to those of another body in direct contact with it is
defined as: a. Conduction
b. Convection
c. Specific heat
d. Latent heat of fusion
e. Absolute pressure: A
3. Water is the best extinguisher for:
A. An oil fire
B. A gas fire
C. An electrical fire
D. A wood fire
E. A metal burning fire: D
4. The coefficient of friction is defined as:
A. the downward force on the two services in contact
B. The force parallel to the surface required to start an object moving
C. The reaction normal perpendicular to the surface
D. The force parallel to the service required to keep an object moving at a
constant linear velocity
E. The ratio of the force required to move up body to the: E
5. To start a body moving which of the following must be overcome?
A. Kinetic friction
B. Static friction
C. Fluid friction
D. Rolling friction
E. Normal force: B
,ABSA Part A Practice Test Questions with correct verified answers 2026-2027
6. Foam extinguishers are recommended for?
A. Class A and Class C fires
B. Class C and Class B fires
C. Class A and Class B fires
D. All classes of fires
E. All but burning liquids: C
7. A control loop controller
A. period does not require a set point value
B. Sends a signal to a primary element
C. Will always eliminate deviation
D. Constantly compares input signals to the setpoint
E. Send signal to the transmitter: D
8. The ratio between the ultimate strength and the allowable stress is defined
as
A. Ultimate stress
B. Maximum allowable load
C. Working stress
D. Factor of safety
E. Elastic limit: D
9. Which of the following constitutes a Class C fire?
A. Fire in an electrical panel
B. Fire in a fuel tank
C. Fire in a lumber pile
D. Fire in a coal bunker
E. Fire in a pile of paper: A
10. The greatest load that can be applied to a material under is design conditions
is called
A. Ultimate stress
B. Elastic limit
C. Allowable stress
D. Factor of safety
E. Maximum allowable load: E
,ABSA Part A Practice Test Questions with correct verified answers 2026-2027
11. External tensile forces acting parallel but not in line produces:
A. Tensile stress
B. Compressive stress
C. Working stress
D. Shear stress
E. Compressive strain: D
12. If an object is in motion along a fractional surface in a certain direction what
will be the direction of frictional force exerted on that object?
A. Same
B. Opposite
C. Perpendicular
D. Angular with
E. Angular against: B
13. Stepper motors have/are:
A. Very high speed operation
B. Minimum torque when at standstill
C. Low reliability
D. Slow starting
E. Low efficiency: E
14. are pieces of slag or tungsten that are trapped in a weld deposit
A. Porosity
B. Undercut
C. Incomplete fusion
D. Incomplete penetration
E. Inclusions: E
15. NDIR Detectors detect:
A. CO/CO2
B. SO2
C. NOx
D. Relative humidity
E. CH4: A
,ABSA Part A Practice Test Questions with correct verified answers 2026-2027
16. Brass is an alloy of
A. Copper and bronze
B. Copper and lead
C. Brass and lead
D. Copper and tin
E. Copper and zinc: E
17. The area under a velocity vs. time graph equal:
a. Distance
b. Speed
c. Acceleration
d. Displacement
e. Average velocity: D
18. A single vector which can replace a system of actors and has the same effect
is called a
a complainer vector
b resultant
c concurrent factor
D scholar
E concentric vector: B
19. Which of the following is an advantage of gear drives over belt drives?
a overall drive length can be longer
b there is no slippage
c. gear drives require minimal maintenance
d. gear drives are more versatile
e. gear drives requires no maintenance: B
20. In a Venturi tube blank or more of the upstream pressure is recovered down
stream
A.80%
B. 90%
C. 70%
D. 100%
E. 60%: B
