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