JSS 3 Basic Technology - 3rd Assessment
- 1. 1. Which of the following is not an example of a plane figure?
A) Circle
B) Cube
C) Triangle
D) Square
- 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) Sector
C) Chord
D) Diameter
- 5. 5. An equilateral triangle has -------
A) No equal sides
B) Three 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) Triangle
C) Square
D) Rhombus
- 7. 7. How many sides has a heptagon?
A) 6
B) 8
C) 7
D) 10
- 8. 8. All the following are examples of quadrilaterals except a ---------
A) Rectangle
B) Triangles
C) Square
D) Parallelogram
- 9. 9. Fluid can be transmitted which if the following?
A) Stirring
B) Hardening
C) Hydraulics
D) Electricity
- 10. 10. The transfer of power from one point to another by means of air is called -------.
A) Pneumatic system
B) Hydraulic system
C) Mechanism system
D) Steering system
- 11. 11. A water wheel is an example of -------
A) A hydraulic machine
B) A thermal machine
C) A pneumatic machine
D) A refrigeration system
- 12. 12. A device that moves fluids by mechanical action is called a ----------
A) Compressor
B) Sprinkler
C) Pump
D) Driver
- 13. 13. A device that can be used for wetting plants in a garden by spraying water into the air is known as ---------
A) Pump
B) Driver
C) Compressor
D) Sprinkler
- 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) Water wheel
B) Sky scrapper
C) Hydraulic jack
D) Crane
- 15. 15. An air compressor is an example of which type of these machines?
A) Pneumatic
B) Centrifugal
C) Sprinkler
D) Hydraulic
- 16. 16. A pneumatic device that operates by driving an internal hammer up and down is known as --------
A) Jack pump
B) Jack hammer
C) Hammer mill
D) Hammer pump
- 17. 17. The advantage of using an incompressible working fluid, leading to minimum spring actions is attributed to -------- machine
A) Hydraulic
B) Centrifugal
C) Hammer
D) Pneumatic
- 18. 18. --------- moves fluid through a piping.
A) Water wheel
B) Reaction turbine
C) Garden sprinkler
D) Jack pump
- 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) Hydraulic jack
B) Reaction turbine
C) Pneumatic machine
D) Impeller
- 20. 20. --------- makes use of gas to transfer power from one point to another
A) Hydraulic
B) Centrifugal
C) Hammer pump
D) Pneumatic machine
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