Third Term Examination Basic Technology JSS 3 (Basic 9) Mock Exam Questions

BASIC TECHNOLOGY THIRD TERM EXAMINATION JSS 3 (BASIC 3) MOCK EXAM QUESTIONS

DURATION – 2½

SECTION A- OBJECTIVES

INSTRUCTION – ATTEMPT ALL QUESTIONS IN THIS SECTION. ALL QUESTIONS CARRY EQUAL MARK

1. These are components of concrete materials except ______.

(a) cement

(b) sand

(c) gravel

(d) wood

 

2. ______ are vertical structure of a building used mainly for the enclosure of a building.

(a) Foundation

(b) Walls

(c) Floors

(d) Roofs

 

3. These are types of walls except ______.

(a) Cavity

(b) Thoracic

(c) Block

(d) Stone

 

4. These are materials used for making walls except ______.

(a) Stone

(b) Metal sheet

(c) Zinc

(d) Paper

 

5. ______ is the bottom horizontal surface of an enclosed space.

(a) Wall

(b) Floor

(c) Foundation

(d) Roof

 

6. The process of liberating electrons by the use of light energy is known as ______.

(a) Photoelectric emission

(b) Primary emission

(c) Secondary emission

(d) Thermionic emission

 

7. Which of these is not a component of cell phone hardware?

(a) Earpiece

(b) Keypad

(c) Mouse

(d) Antenna

 

8. Splitting of timber into usable sizes is known as ______.

(a) Preservation

(b) Conversion

(c) Seasoning

(d) Timbering

 

9. Gear drives are used to transmit ______.

(a) Power

(b) Force

(c) Energy

(d) Work

 

10. Pictorial drawing inclined at angle 300 to the horizontal plane is called ______.

(a) Isometric drawing

(b) Oblique drawing

(c) Orthographic drawing

(d) Perspective drawing

 

11. The type of energy possessed by a body at rest is ______ energy.

(a) Potential

(b) Kinetic

(c) Mechanical

(d) Nuclear

 

12. Preventive maintenance includes the following except ______.

(a) Lubrication

(b) Inspection

(c) Repair

(d) Cleaning

 

13. Which of these machines make use of air compressor?

(a) Pneumatic

(b) Hydraulic

(c) Windmill

(d) None of the above

 

14. The act of identifying and eliminating of problems of faults in machines is known as ______.

(a) Trouble shooting

(b) Fault detection

(c) Maintenance

(d) Repairing

 

15. Which of the following is not a metal work marking out tools?

(a) Inside caliper

(b) Scriber

(c) Divider

(d) Dot punch

 

16. Gear ratio can be used to determine the ______.

(a) Speed of rotation

(b) number of gears

(c) separation of gears

(d) type of gears

 

17. Thermionic emission is the process of emitting electrons by the use of ______.

(a) Heat energy

(b) Light energy

(c) Kinetic energy

(d) mechanical energy

 

18. These are types of wood joints except ______.

(a) Cross Having Joint

(b) Butt Joint

(c) Angle Lap Joint

(d) Head Joint

 

19. ______ is an opening in wall designed for the purpose of admitting light and air into an enclosed space.

(a) Window

(b) Wall

(c) Floor

(d) Foundation

 

20. There are ______ stages involved in the process of wood projects.

(a) 3

(b) 4

(c) 2

(d) 5

 

21. ______ soil is a mixture of sandy and clay soil with high proportion of organic matter.

(a) Loamy

(b) Sandy

(c) Peat

(d) Clay

 

22. These are properties of soil except ______.

(a) Cohesion of soil

(b) Consolidation

(c) Permeability of the soil

(d) Inelasticity of the soil

 

23. These are qualities of a good concrete except ______.

(a) Smooth

(b) Strong

(c) Durable

(d) Weak

 

24. There are ______ types of soil.

(a) 4

(b) 3

(c) 5

(d) 2

 

25. ______ is the number of cycles per second.

(a) Frequency

(b) Light

(c) Power

(d) Electricity

 

26. One of these is an importance of lubricants in gears except ______.

(a) Increasing operating temperature

(b) Reducing friction

(c) Causes wear and tear

(d) All of the above

 

27. Transmission of electricity at high frequency is done through ______.

(a) Electromagnetic wave

(b) Cables

(c) Poles

(d) Electromagnetic light

 

28. ______ is the force between two surfaces that are sliding or trying to slide across each other.

(a) Friction

(b) Lubrication

(c) Hydraulic

(d) Pneumatic

 

29. These are disadvantages of friction except ______.

(a) it causes wear and tear of machines.

(b) It slows down many processes.

(c) it decreases the life expectancy of making parts of vehicles.

(d) it enables us to work freely.

 

30. Quadrilaterals means ______.

(a) four

(b) five

(c) six

(d) eight

 

31. ______ is a non-conductor of electricity used to prevent the flow of electric currents.

(a) Wire

(b) Metal

(c) Insulator

(d) Conductor

 

32. All these are materials and equipment for electricity transmission except ______.

(a) Generator

(b) Switches

(c) Socket outlets

(d) Computer

 

33. One of these is used to lubricate friction.

(a) Grease

(b) Water

(c) Kerosene

(d) Petrol

 

34. All are types of doors except ______.

(a) Bull’s eye

(b) Sliding

(c) Revolving

(d) Folding

 

35. Cooling is produced in refrigerators by the principle of ______.

(a) Evaporation

(b) Radiation

(c) Condensation

(d) Convention

 

36. Which of these is used to protect the hand against electric shock?

(a) Leather glove

(b) Plastic glove

(c) Rubber glove

(d) Synthetic glove

 

37. Which of the following metals is used for making electric cables?

(a) Lead

(b) Silver

(c) Copper

(d) Steel

 

38. All these are types of saw except ______.

(a) Rip saw

(b) Fret saw

(c) Circular saw

(d) Hole saw

 

39. In an electric circuit, the flow of current is controlled by ______.

(a) Diodes

(b) Capacitors

(c) Resistor

(d) Transistor

 

40. The amount of power consumed by a house is measured by ______.

(a) Multi meter

(b) Watt hour meter

(c) Volt meter

(d) Galva meter

 

41. All are materials of DPC except ______.

(a) Asphalt

(b) Zinc

(c) Polythene sheet

(d) Concrete

 

SECTION B – FILL IN THE GAPS

42. Pentagon has how many sides? ______

43. ______ is the area of a Trapezium.

44. Ceramics are used for ______.

45. The angle that is greater than 1800 and less than 3600 is ______.

46. ______ is an example of driving tool?

47. ______ is the process of removing excess water content from timbers.

48. ______ is the process of applying chemicals on woods to protect it from insects attack.

49. ______ is the perimeter of a circle.

50. The amount of space enclosed within the boundary of a plane figure is known as ______.

 

SECTION C – THEORY

INSTRUCTION – ANSWER FOUR (4) QUESTIONS ONLY

QUESTION 1

A. What is maintenance?

B. State three types of maintenance.

 

QUESTION 2

A. Explain any two of the types of maintenance.

B. Define Metal machine.

 

QUESTION 3

A. Mention three drawing tools.

B. What is wood seasoning?

C. What is fault detection?

D. List four stages of wood processing.

 

QUESTION 4

A. State four components of electrical circuit.

B. What is wood preservation?

C. List five types of foundation?

D. State three types of doors?

 

QUESTION 5

A. What is wood work?

B. A polygon with 12 sides is called ______.

C. ______ is a polygon with 7 sides.

D. State three products of ceramics.