JSS 2 Basic Technology Questions

1. An example of preventive maintenance is: (A) providing drainage on new road (B) replacing worn-out part of a bicycle (C) removing leaking zinc sheets in a building (D) changing under-sized bolts in a car (E) pumping a deflated tyre.
2. Driving tools exclude __ (A) screw driver (B) hammer (C) punch (D) mallet (E) saw
3. Chairs, tables and beds require regular maintenance; as a result, the screws are tightened using: _ (A) hammers (B) file (C) punches (D) mallets (E) screwdrivers
4. The battery in a radio is kept active by _(A) leaving the radio on at all times (B) cleaning the oxide deposits regularly and switching off when not in use (C) removing the batteries to dry off (D) supporting with flat batteries (E) servicing it by somebody who is not a technician.
5. The common cooking appliance suitable in rural areas which have no wood or electricity is the __ (A) gas cooker (B) electric cooker (C) kerosene stove (D) oven (E) microwaves
6. Electric kettles are better maintained by: ___ (A) waiting until the kettle begins to make noise (B) switching of when it boils (C) opening the spout for steam to escape (D) washing with soap and water (E) cutting off the wires
7. Which of the following should best be used together with a duster for dusting varnished wooden tables? (A) soap (B) petrol (C) paraffin oil (D) water (E) engine oil
8. A teaspoonful of _ should be added to the water used in boiling out new aluminium cooking pots to prevent discolouration. (A) salt (B) borax (C) milk (D) sand (E) oil
9. The property which causes a metal to return to its original shape after being bent or stretched is known as __ (A) Conductivity (B) Ductility (C) Elasticity (D) Malleability (E) Plasticity
10. Ductility is the ability of a metal to (A) conduct electricity (B) conduct heat (C) resist elasticity (D) resist heat (E) be drawn to thin wire
11. Which of the following is a good conductor of heat? (A) Wood (B) Plastic (C) Copper (D) Paper (E) Sand
12. Malleability is a property of ___ (A) wood (B) ceramic (C) rubber (D) metal (E) plastic
13. Which of these cannot be made from ceramics __ (A) floor tiles (B) tea cups (C) wall of building (D) bicycle tyre (E) pots
14. Which of the following is ferrous metal (A) Copper (B) Brass (C) Gold  (D) Nickel (E) Steel
15. Ability of a metal pick small pieces of iron or pin is called __ (A) ductility (B) conductivity (C) malleability (D) magnetic (E) none of them 
16. One of the following is NOT an example of ceramics (A) clay (B) bricks (C) plastics (D) tiles (E) tea cups
17. The Tool for shearing cloth into pieces is called __ (A) knife (B) pair of scissors (C) needle (D) screw driver (E) pliers 
18. Which of the following is not part of site preparation tool (A) rake (B) axe (C) spade (D) cutlass (E) pliers 
19. Which of the following gives the correct definition of site preparation? __ (A) the last work done by a contractor on a site before handing over to the owner (B) the fencing of the site (C) the initial operations carried out on a site so as to facilitate actual construction work (D) none of them (E) all of them 
20. The process through which the roots of the trees are being removed from the ground is called _ (A) grubbing (B) excavation (C) builder’s square (D) farming (E) survey 
21. Which of the following is not a power transmission device A) generator (B) switches (C) transformer (D) circuit breaker (E) fuses 
22. Which of the following operations is not usually connected with site preparation? (A) grubbing up of roots (B) bush clearing (C) removal of top vegetable soil (D) concreting (E) extermination of termites and their nest 
23. The process of transferring the details of the plan of a building from drawings to the ground is called __ (A) walling (B) planning (C) foundation (D) concreting (E) setting out 
24. An example of chemical spread over a construction site to get rid of termites is _ (A) coal tar (B) solignum (C) aldrin or deldrin dust (D) carbon or saw dust (E) lime wash or soda ash 
25. The branch of engineering involves with the application of principles of science and technology to the research , design, manufacture and maintenance of highly sophisticated products such as aircrafts and space satellites is called __ (A) computer engineering (B) petroleum engineering (C) aeronautical engineering (D) mining engineering (E) none of them 
26. The process of cutting or splitting logs of wood into planks is known as __ (A) felling of trees (B) seasoning of wood (C) conversion of wood (D) preservation of wood (E) sanding of wood 
27. Sawn timber can be made to remain useful for a long period by the use of __ (A) abrasives (B) adhesives (C) plain sawn method (D) quarter sawn timber (E) preservatives 
28. One of this is not a wood preservative  (A) flint (B) paint (C) coal tar (D) creosote (E) French polish 
29. In Nigeria the normal voltage in the PHCN line in residential houses is __ (A) 100V(B) 110V (C) 200V (D) 220V (E) 320V. 
30. In setting out of buildings, which of these is not used? (A) Shovel (B) Tape (C) Pegs (D) Ropes (E) Buildings plan 
31. Section B 

1.  a(i) What is wood conversion?                           (ii) What is wood seasoning?

       (iii) State the two (2) methods of seasoning wood      b(i)  What is defect in wood?

       (ii) Mention two (2) types of defects in wood    

(iii) State the two (2) examples each of the defects mentioned above

     c(i) What is wood preservation?                          (ii) Define the term “Felling of trees”

   (iii) Itemise two (2) properties of a good wood preservative.

   (iv) Give two (2) example of wood preservative

2        a(i) What is career?

  (ii) Mention four (4) types of engineering you know and explain their jobs

3.      a. What is site preparation?

b. What is grubbing?

c. List and explain the uses of four simple tools on site preparation

d. Sketch the above named simple tools