JSS 3 Basic Technology - 3rd Assessment
- 1. 1. Which of the following is not an example of a plane figure?
A) Triangle
B) Square
C) Circle
D) Cube
- 2. 2. What angle is shown in the figure above? [Type out your answer in figure]
- 3. 3. The figure above represents ---------? [Type out your answer]
- 4. 4. All the following are parts of circle except?
A) Base
B) Chord
C) Diameter
D) Sector
- 5. 5. An equilateral triangle has -------
A) Three equal sides
B) No equal sides
C) Two equal sides
D) Two equal angles
- 6. 6. A quadrilateral with four equal sides and equal opposite angles which are not at the right angle is a ------------
A) Kite
B) Rhombus
C) Triangle
D) Square
- 7. 7. How many sides has a heptagon?
A) 7
B) 10
C) 8
D) 6
- 8. 8. All the following are examples of quadrilaterals except a ---------
A) Triangles
B) Rectangle
C) Square
D) Parallelogram
- 9. 9. Fluid can be transmitted which if the following?
A) Hydraulics
B) Electricity
C) Stirring
D) Hardening
- 10. 10. The transfer of power from one point to another by means of air is called -------.
A) Mechanism system
B) Pneumatic system
C) Steering system
D) Hydraulic system
- 11. 11. A water wheel is an example of -------
A) A thermal machine
B) A hydraulic machine
C) A pneumatic machine
D) A refrigeration system
- 12. 12. A device that moves fluids by mechanical action is called a ----------
A) Driver
B) Pump
C) Sprinkler
D) Compressor
- 13. 13. A device that can be used for wetting plants in a garden by spraying water into the air is known as ---------
A) Sprinkler
B) Driver
C) Compressor
D) Pump
- 14. 14. In order to replace the tyre of a car, which of the following machines would be useful to lift the car up?
A) Hydraulic jack
B) Sky scrapper
C) Crane
D) Water wheel
- 15. 15. An air compressor is an example of which type of these machines?
A) Centrifugal
B) Sprinkler
C) Hydraulic
D) Pneumatic
- 16. 16. A pneumatic device that operates by driving an internal hammer up and down is known as --------
A) Jack pump
B) Hammer pump
C) Jack hammer
D) Hammer mill
- 17. 17. The advantage of using an incompressible working fluid, leading to minimum spring actions is attributed to -------- machine
A) Hammer
B) Pneumatic
C) Hydraulic
D) Centrifugal
- 18. 18. --------- moves fluid through a piping.
A) Reaction turbine
B) Garden sprinkler
C) Jack pump
D) Water wheel
- 19. 19. The turbine that generates power by taking advantage of incoming flows as the turbine blades absorb the energy from the moving water is called -----------
A) Pneumatic machine
B) Impeller
C) Reaction turbine
D) Hydraulic jack
- 20. 20. --------- makes use of gas to transfer power from one point to another
A) Centrifugal
B) Hammer pump
C) Hydraulic
D) Pneumatic machine
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