Basic Technology Third Term Examination Questions 2019/2020 Session – Junior Secondary School (JSS 1,JSS2)

EDUDELIGHT SECONDARY SCHOOL

1 Benson Avenue, Lekki Phase 1, Lagos.

THIRD TERM EXAMINATION 2019/2020SESSION

SUBJECT: BASIC TECHNOLOGY

CLASS: JSS 1                     TIME: 2 HOURS

OBJECTIVES: ANSWER ALL QUESTIONS

  1. Division of line into two equals parts is know as ————— maintenance. (a)bisection (b)computation (c) construction (d) dissection
  2. Which type of maintenance is carried out after the equipment has broken down? (a) corrective (b) predictive (c) preventive (d) routine
  3. Magnets are classified into………..and………..(a) active, passive  (b) north,south (c) strong, weak (d)temporary ,permanent.
  4. Fuels and foods contain…energy (a) chemical (b) electrical (c) kinetic (d) mechanical.
  5. Which of the following machines is not a lever? (a) crowbar (b) see-saw (c) screw-jack (d) pipe bending machine
  6. The form of energy released when fuels are burnt is called.. (a) solar energy (b) electric energy (c) heat energy (d) chemical energy.
  7. The part of the atom that moves round the atom is the (a) electron (b) orbit (c) proton (d) neutron
  8. The following are examples of nails EXCEPT…(a)bowel (b)oval (c)pin (d)round.
  9. Which of the following is NOT a quadrilaterals? (a) prism (b) rhomboid (c) rhombus (d) parallelogram
  10. There are —– types of machine (a) 3 (b) 2 (c) 1 (d) 4
  11. One of these is not a simple machine (a) pulley (b) lever (c) wheel and axle (d) screw jack
  12. Transistors are made from——— conductors (a) good (b) normal (c) poor (d) semi
  13. All materials which occupy space and have weight are referred to as (a) atom (b) conductor (c) matter (d) molecules
  14. Materials that allow the passage of electrons through them are called (a) insulators (b) elements (c) conductors (d) neutrons
  15. Ohm is the unit of (a) current (b) force (c) power (d) resistance
  16. The following are sources of energy EXCEPT (a) sand (b) sun (c) water (d) wave
  17. The simple machine used to draw water from the well is an example of (a) fulcrum (b) jack (c) pulley (d) wedge
  18. Blast furnace is used for the production of (a) Aluminium (b) pig iron (c) sheet metal (d) lead
  19. Wood can be used for the following except (a) for roofing (b) railway slippers (c) vehicle wheels (d) making paper
  20. The following are forms of energy EXCEPT (a) chemical (b) electrical (c) Light (d) physical
  21. The law that explains that energy cannot be destroyed but it can only be changed from one form to another is (a) Amperes law (b) Law of conservation of linear momentum (c) Law of conservation of energy (d) ohm’s law
  22. The unit of energy is (a) Joules (b) Newton (c) Ohm (d) Watt
  23. The rate of doing work is (a) Energy (b) Force (c) Might (d) Power
  24. Which source of energy listed below is in liquid form? (a) Charcoal (b) Coal (c) Petroleum (d) Wood
  25. Fuels and foods contain ————- energy. (a) Chemical (b) Electrical (c) Kinetic (d) mechanical
  26. The two ends of a bar magnet is known as (a) Edges (b) Ends (c) Joints (d) Poles
  27. An electric current is made by the movement of (a) electric fields (b) free electrons (c) magnetic fields (d) negative electrons
  28. An electronic device that stores up electrical energy in a circuit is (a) capacitor (b) diode (c) inductor (d) resistor
  29. An electronic device used to control the voltage or current in a circuit is (a) inductor (b) resistor (c) diode (d) capacitor
  30. Which of the following is not a building material? (a) Plastic (b) ceramics (c) wood (d) none of the above
  31. Rubber is an organic material that is highly (a) brittle (b) permeable (c) tough (d) elastic
  32. Rubbers are classified into (a) super and synthetic (b) natural and synthetic (c) thermo and synthetic (d) latex and artificial rubber
  33. Rubber material can be used for the following purposes except? (a) Tyre tube (b) safety shoe (c) water proof device (d) chair
  34. The following are products of ceramics except (a) flower vase (b) tiles (c) wash basin (d) electric bulb
  35. The  workshop equipment on which all metals to be beaten are placed is (a) swage (b) vice (c) table (d) anvil
  36. The most expensive maintenance is (a) predictive (b) preventive (c) corrective (d)observation
  37. In electricity, when the number of protons is more than the number of electrons the conductor will be ——— charged (a) neutral (b) positively (c) negatively (d) partially
  38. Which of these devices store electrical charges? (a) resistor (b) capacitor (c) inductor (d) diodes
  39. Which of the following procedures comes first in constructing a building? (a)concreting (b) excavation (c) leveling (d) site clearance.
  40. A trowel is a hand tool used for……(a) rendering (b)packing (c) mixing (d) digging.

THEORY

Answer four (4) questions only

  1. What is handtool?List categories of hand tools and explain.  (10 marks)
  2. Explain the following terms  (a) electric circuit (b)maintenance (c) current (d) conductors.    ( 10 mrks )
  3. (a)Name four components of an electronic device and their symbols  6marks.

(b) Give the function of any two mentioned above  4marks

  • (a) What is a machine?    2 marks

(b) List and explain types of machine.  4marks

(c) List five examples of simple machine.  4marks

  • (a) What is maintenance?

(b) Name three types of maintenance

(c) List five simple maintenances that can be carried out on a machine

6.List five example of hand cutting tools and draw    2marks  each.

 

EDUDELIGHT SECONDARY SCHOOL

1 Benson Avenue, Lekki Phase 1, Lagos.

THIRD TERM EXAMINATION 2019/2020SESSION

SUBJECT: BASIC TECHNOLOGY

CLASS: JSS 2                     TIME: 2 HOURS

OBJECTIVE:

  1. …… is the machine used for cutting circular metal bars.(a)milling machine (b)power sawing machine (c)drilling machine (d)shaping machine.
  2. .Machine used for re-shapening of cutting tools is called…..(a)lathe machine (b)milling machine (c)grinding machine (d)drilling machine.
  3. .Which of  these is not part of a wood lathe?(a)live stock (b)pulley (c)headstock (d)tool rest.
  4. Which of these is not a way to care and maintain woodwork tools?(a)lubricate tools and machines (b)dull machine should be sharpened (c)put the tools in water for a long time (d)wood dirts and wastes should be cleaned.
  • Timing chain drive can be found in…..(a)bicycles (b)motorcycles (c)motor vehicles (d)machine tools.
  • A regular polygon with nine sides is called a/an……………(a)hexagon (b)heptagon (c)octagon (d)nonagon.
  • The following are quadrilaterals except…..(a)square (b)rectangle (c)rhombus (d)triangle .
  • One of these is a type of woodwork machine..(a)wheel barrow (b)semi circular machine (c)saw machine (d)wool tool machine.
  • Belt drives can be found in all these except?(a)hand set  (b)sewing machines  (c)melon grinder (d)pepper grinder.
  • …….. is the tendency of metals to break easily?(a)brittleness (b)density (c)sound test (d)fusibility.
  • Any substance capable of holding or bonding two pieces of wooden material together is…….(a)abrasives (b)latex (c)adhesives (d)sap.
  • Holes can be produced in metals by these processes except..(a)punching (b)boring (c)drilling (d)flame.
  • Which of these tools is used for curved edges in woodwork?(a)trying plane (b)spoke shave (c)fret saw (d)smoothing plane.
  • The tool used in making small holes in wood before using screws or nails is called….(a)bits (b)brace (c)bradawl (d)gimlet.
  • …….. gears is capable of transforming motion between two inclined shafts.(a)bevel (b)driven (C)driving (d)mesh.
  • Rubber manufactured from petroleum products is called………rubber.(a)elastic (b)latex (c)natural (d)synthetic.
  • Chains,pulleys,gears axles and nuts are all linking devices except…(a)axle (b)chains (c)gears (d)nuts.
  • Bricks ,concrete ,blocks, timber are all examples of………………………… materials (a)flooring (b)roofing (c)scaffolding (d)walling.
  • Which of these is not an hydraulic machine?(a)grinding machine (b)centrifugal pump (c)force pump (d)syringe.
  • An electric motor converts electrical energy to —— energy. (a) chemical (b) heat (c) light (d) mechanical
  • The rate of doing work is called (a) energy (b) force (c) power (d) pull
  • Electric pressing iron converts electrical energy to ————- energy. (a) Chemical (b) heat (c) kinetic (d) mechanical
  • The basic function of a thermostat in an electric iron is to (a) control the temperature (b) convert electrical energy to heat energy (c) increase the degree of hotness (d) serve as fuse
  • One of these is not a chemical based appliance (a) fruit blender (b) kerosene stove (c) gas cooker (d) charcoal iron
  • The major part of an electric fan that converts the electrical energy into mechanical energy is (a) capacitor (b) electric motor (c) element (d) switch
  • Elements for heating in electrical appliances are mostly made of (a) silicon (b) magnesia (c) mica (d) nichrome
  • The commonly used refrigerant in refrigerator is (a) water (b) mercury (c) cooking gas (d) freon
  • A refrigerating system consists of the following EXCEPT (a) compressor (b) evaporator (c) condenser (d) oiling guage
  • The output of a motor is energy (a) electrical (b) mechanical (c) chemical (d) light
  • The following tools are used for site preparation EXCEPT (a) axe (b) tilting drum (c) shovel (d) spade
  • All are surveying instruments except…. (a)pegs (b) hammer (c) tape (d) Theodolite
  • What is the function of element in electrical gadgets? (a) burning (b) compressing (c) melting (d) condensing
  • Which of the following is not required in transmission and distribution of power at low frequency? (a) amplifier (b) circuit breaker (c) control panel (d) substation
  • The following devices make use of motor for their operations EXCEPT (a) bread toaster (b) cassava grinder (c) electric fan (d) fruit blender
  • The device used to raise or lower voltage in a circuit is (a) bus bar (b) circuit breaker (c) fuse (d) transformer
  • The refrigerant used in refrigerator must have the following properties EXCEPT (a) high latent heat of vaporization (b) flammable (c) low boiling point (d) non toxic
  • A dynamo converts ———— energy into ———— energy (a) electrical, sound (b) heat, light (c) light, heat (d) mechanical, electrical
  • Which of the following procedures comes first in constructing a building? (a) concreting (b) excavation (c) levelling (d) site clearance
  • One of these generators uses spark plugs (a) diesel generator (b) petrol generator (c) electric generat
  • or (d) hydroelectric generator
  •  
  • Which of these power station uses gas to generate electricity (a) Kanji dam (b) Egbin power station (c) Oji River power station (d) electrolyte battery

Theory

Answer any four questions only

  1. Define drive mechanism. L:ist types of gears and explain.
  2. What is drive?List types of drive and explain.

(b).mention five appliances that uses gears.

  • (a) What is site preparation?

(b) Name five hand tools used for site preparation and three mechanical

4   Explain the following terms:  (a)gear (b)hydraulic (c)setting out (d)blue print.

5.  In a gear box,if the driver gear has 120 teeth and revolves at 60 rev/min.What

is the speed of the driven gear with 80 teeth?

6.  What is building?List the components of building and explain the functions of each.

 

EDUDELIGHT SECONDARY SCHOOL

1 Benson Avenue, Lekki Phase 1, Lagos.

FIRST C.A.T THIRD TERM 2019/2020SESSION

SUBJECT: BASIC TECHNOLOGY CLASS: JSS 2            TIME:40min

OBJECTIVE:

1…… is the machine used for cutting circular metal bars.(a)milling machine (b)power sawing machine (c)drilling machine (d)shaping machine.

2.Machine used for re-shapening of cutting tools is called…..(a)lathe machine (b)milling machine (c)grinding machine (d)drilling machine.

3.Which of  these is not part of a wood lathe?(a)live stock (b)pulley (c)headstock (d)tool rest.

4.Which of these is not a way to care and maintain woodwork tools?(a)lubricate tools and machines (b)dull machine should be sharpened (c)put the tools in water for a long time (d)wood dirts and wastes should be cleaned.

5.Timing chain drive can be found in…..(a)bicycles (b)motorcycles (c)motor vehicles (d)machine tools.

6.A regular polygon with nine sides is called a/an……………(a)hexagon (b)heptagon (c)octagon (d)nonagon.

7.The following are quadrilaterals except…..(a)square (b)rectangle (c)rhombus (d)triangle .

8.One of these is a type of woodwork machine..(a)wheel barrow (b)semi circular machine (c)saw machine (d)wool tool machine.

9.Belt drives can be found in all these except?(a)hand set  (b)sewing machines  (c)melon grinder (d)pepper grinder.

10.…….. is the tendency of metals to break easily?(a)brittleness (b)density (c)sound test (d)fusibility.

                          THEORY PART

1.Define drive mechanism.

2.List and explain types of gear.

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