Basic Technology MockTest for JSS 3
  • 1. Which of the following instruments is used for setting sheet on the drawing board?
A) Set square
B) Steel rule
C) Divider
D) Tee square
  • 2. A trapezium is also known as ____
A) Sphere
B) Polygon
C) Quadrilateral
D) Triangle
  • 3. The instrument used by surveyor in establishing the levelness of a building site is known as _____
A) Spirit level
B) Dumpy level
C) Try square
D) Theodolite
  • 4. Reading of building plan means _____
A) construction of building
B) Rendering of the building
C) Labelling the building
D) Identification and Interpreting building parts
  • 5. A quadrilateral with all sides equal but no right angle is called _____
A) Rectangle
B) Rhombus
C) Cube
D) Square
  • 6. Which of the following is not a quadrilateral?
A) Parallelogram
B) Trapezium
C) Triangle
D) Rectangle
  • 7. The initial attention given to an accident victim before the arrival of the doctor is known as _____
A) First aid attention
B) Safety precaution
C) Precautionary attention
D) Emergency precaution
  • 8. The basic function of a thermostat in an electric fan is to ____
A) switch on/off the fan when necessary due to room temperature
B) Control the noise
C) Control the temperature
D) Regulate the speed
  • 9. _____ is used to convert sound energy to electrical energy
A) Loud speaker
B) Microphone
C) Radio transmitter
D) Radio receiver
  • 10. _____ is used to convert electrical energy to sound energy
A) Radio receiver
B) Radio transmitter
C) Loud speaker
D) Microphone
  • 11. The electricity at high voltage is referred to as ____
A) high tension supply
B) high flow current
C) low flow current
D) low tension supply
  • 12. ______ is the change of a liquid state to solid state and to gas state
A) Evaporation
B) Freezing
C) Sublimation
D) Melting
  • 13. The substances that evaporate quickly are called _____
A) refrigerant substances
B) non-volatile substances
C) freon substances
D) volatile substances
  • 14. Refrigerator can be maintained in the following ways EXCEPT ____
A) keeping the door firmly closed
B) putting hot food for cooling
C) arranging food items properly for air circulation
D) defrosting regularly
  • 15. The following are the properties of refrigerant EXCEPT ____
A) non corrosive
B) low boiling point
C) highly corrosive
D) volatile
  • 16. _____ is the extraction of heat from the food items to be refrigerated
A) Evaporation
B) Condensation
C) Freezer
D) Refrigeration
  • 17. A form of energy that can produce light, heat, and power for machines is known as _____
A) sound energy
B) kinetic energy
C) mechanical energy
D) electricity
  • 18. The S.I unit of current is ____
A) Volts
B) Ohms
C) Ampere
D) meter per seconds
  • 19. The following are the mechanisms that make use of electric motors for their operations EXCEPT ____
A) Grinder
B) Loud speaker
C) Refrigerator
D) Blender
  • 20. The process of uprooting all the roots of the trees from the ground completely is called _______
A) Rooting
B) Excavation
C) Grubbing
D) Leveling
  • 21. Which of these is a technology related career?
A) Accountancy
B) Law
C) Civil Engineering
D) Political Science
  • 22. Which of these is not a typical maintenance?
A) Preventive
B) Replacement
C) Corrective
D) Predictive
  • 23. Alloy is a metal that
A) is magnetic
B) is non magnetic
C) has iron content
D) has mixture of tin or more metals
  • 24. The two types of plastic are
A) polyesther and polyplastic
B) latex and polythene
C) polyplastic and thermoset
D) thermoplastic and thermoset
  • 25. Which of the following furnaces produces ‘pig iron’?
A) Open heart furnace
B) Electric arc furnace
C) Blast furnace
D) Bessemer converter
  • 26. Which of the following is NOT a reason for drying wood?
A) It makes wood to be durable
B) It makes wood to be stronger
C) It makes wood to increase in weight
D) It makes wood more stable
  • 27. Natural rubber is made from a milky liquid called
A) Electrolyte
B) Solution
C) Latex
D) Plasticine
  • 28. The type of drawing which shows the plan, front and side view is known as
A) orthographic projection
B) freehand drawing
C) isometric drawing
D) oblique drawing
  • 29. The two types of electrical currents are
A) Hydro and Coal power
B) Direct and Alternating
C) Natural and Artificial
D) Direct and Indirect
  • 30. The process of splitting logs of wood into marketable sizes is called
A) Nailing
B) Plane
C) Cutting
D) Conversion
  • 31. Mechanized process in technology refers to
A) mass production of goods
B) the use of hand tools for working
C) the use of machines for working
D) servicing of machines
  • 32. In an oblique drawing, the slanting sides are generally drawn at angle _____
A) 45 degree
B) 90 degree
C) 30 degree
D) 60 degree
  • 33. In an isometric drawing, the slanting sides are generally drawn at angle _____
A) 30 degree
B) 90 degree
C) 45 degree
D) 60 degree
  • 34. The following are methods of processing plastic EXCEPT
A) Thermoplasting
B) Extrusion moulding
C) Injection moulding
D) Compression moulding
  • 35. The main function of foundation in a building is to
A) support the roof of the building
B) protect the building from high wind
C) carry the weight of the occupants
D) distribute the weight of the building to the soil
  • 36. The process of applying chemicals on wood to prevent insect and fungi attack is
A) cardboard
B) Plywood
C) Particle board
D) Laminated board
  • 37. The process of applying chemicals on wood to prevent insect and fungi attack is
A) Wood purity
B) Wood preservation
C) Wood cleaning
D) Wood saving
  • 38. A regular polygon with six sides is called
A) Octagon
B) Nonagon
C) Pentagon
D) Hexagon
  • 39. The primary voltage of a transformer is 120 volts and its primary coil has 270 turns. Calculate the output voltage, if the secondary coil has 180 turns
A) 180 volts
B) 80 volts
C) 60 volts
D) 120 volts
  • 40. Which of the following components does not operate at low frequency transmission?
A) Radio transmitter
B) Transformer
C) Feeder pillar
D) Generator
  • 41. The process of transferring building plan in full size to the ground is called
A) Excavation
B) Foundation
C) Setting out
D) Site preparation
  • 42. As marking-out tool, a small table with a flat surface which is used to test whether other surfaces are flat enough or not is known as _______
A) Scriber
B) Surface plate
C) Anvil
D) Hot plate
  • 43. In site preparation, a typical hand tool used for felling trees and cutting them into smaller lengths is called ______
A) Chain saw
B) Hack saw
C) Cutlass
D) Axe
  • 44. How many poles has a bar magnet?
A) 1
B) 4
C) 2
D) 3
  • 45. Which of the following is a measuring tool?
A) Hack saw
B) Hammer
C) File
D) Vernier callipers
  • 46. Which of the following lines is used for centre line?
A) Thick long chain
B) Thin long chain
C) Thin continuous wavy line
D) Short dashes
  • 47. Which of the following is not a non-ferrous metal?
A) Wrought iron
B) Zinc
C) Aluminium
D) Copper
  • 48. An area of the circle bounded by an arc and a straight line called the chord is known as _____
A) Quadrant
B) Diameter
C) Segment
D) Sector
  • 49. Which of the following triangle has none of its sides equal in length?
A) Isosceles
B) Equilateral
C) Right-angled
D) Scalene
  • 50. An electronic device which offers opposition to the flow of electric current in a circuit is known as ______
A) capacitor
B) conductor
C) resistor
D) insulator
  • 51. An insulating medium through which a capacitor stores electric charges is called ______
A) plates
B) capacitance
C) di-electric
D) cell
  • 52. An electrical instrument used to measure resistance is known as _______
A) Ohmeter
B) Wattmeter
C) Ammeter
D) Voltmeter
  • 53. Which of the following is not a state of matter?
A) Solid
B) Temperature
C) Liquid
D) Gas
  • 54. The house and appliances are protected against possible fire out-break that could arise from faulty electrical equipment by installing _______
A) Stabilizer
B) Circuit breaker and fuses
C) Watt-hour meter
D) Transformer
  • 55. A generator with an input power of 3400W supplies electricity at 220V and 13A. What is the efficiency of the generator?
A) 62%
B) 100%
C) 54%
D) 84%
AC motor
  • 56. Identify this object
A) Electric fan
B) Electric pressing iron
C) A.C Motor
D) Refrigerator
Hack saw
  • 57. The following object is classified as ____ tool
A) riveting
B) setting out
C) cutting
D) measuring
Ball pein hammer
  • 58. The following object is classified as ____ tool
A) measuring
B) driving
C) cutting
D) Knocking
Steel rule
  • 59. The following object can be used for _____
A) setting out
B) cutting
C) measuring
D) driving
Try square
  • 60. Identify this object
A) Set square
B) Try square
C) Hack saw
D) Hammer
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