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