Third Term Examination Basic Technology Junior Secondary Schools – JSS 8 (Basic 2) Exam Questions Volume 1
BASIC TECHNOLOGY THIRD TERM EXAMINATION JUNIOR SECONDARY SCHOOLS JSS 2 (BASIC 8) EXAM QUESTIONS
SECTION A – OBJECTIVES
INSTRUCTION – Choose the correct answer from the options A – D.
1. A ten –sided polygon is known as ________.
(a) decagon
(b) nonagon
(c) octagon
(d) pentagon
2. Which of the following is not a product of rubber?
(a) Tyre
(b) Tube
(c) Glove
(d) Chair
3. ________ is the force which opposes motion.
(a) Gravity
(b) Magnetism
(c) Friction
(d) Work
4. All are made of ceramics except ________.
(a) mug
(b) plate
(c) tiles
(d) button
5. ½bh is the area of ________.
(a) circle
(b) triangle
(c) rectangle
(d) circle
6. Hydraulic machines make use of ________ as fluid power.
(a) solid
(b) liquid
(c) gas
(d) air
7. B in the ABC of first aid means ________.
(a) breadth
(b) breathing
(c) bread
(d) breaking
8. One of the following is not a type of belt and pulleys.
(a) Flat belt and pulleys
(b) Variable belts and pulleys
(c) V-belts and pulleys
(d) T – belts and pulleys
9. ________ operation can be defined as activities that involve the saving of lives.
(a) Surgical
(b) Rescue
(c) Machine
(d) Manual
10. All are hydraulic machines except ________.
(a) force pump
(b) centrifugal pump
(c) vacuum pump
(d) hydraulic jack
11. The gear that drives the other gears is called ________.
(a) driving gear
(b) driven gear
(c) drove gear
(d) drive gear
12. ________ is not a type of forging.
(a) Cold forging
(b) Warm forging
(c) Hot forging
(d) Luke – warm forging
13. All are types of drive mechanisms except ________.
(a) ropes
(b) belts
(c) chairs
(d) gears
14. ________ is used for making jewelry and metals.
(a) Copper
(b) Tin
(c) Gold
(d) Aluminum
15. ________ represents number of teeth on gear A.
(a) NA
(b) NB
(c) AN
(d) AB
16. All of the following are advantages of using chain drives except ________.
(a) high efficiency
(b) small tension
(c) no slippage
(d) quiet operation
17. A device that can be used for wetting plants in a garden by spraying water into the air is known as ________.
(a) sprinkler
(b) pump
(c) driver
(d) compressor
18. All are major types of gears except ________.
(a) internal
(b) external
(c) rack and pinion
(d) straight
19. ________ is a type of mechanism used in bicycles.
(a) Chain
(b) Belt
(c) Gear
(d) Rope
20. Lubrication in gears help to reduce ________.
(a) force
(b) friction
(c) gravity
(d) magnetism
SECTION B – THEORY
INSTRUCTION – Answer all questions in this section.
QUESTION 1
In not less than six lines, explain site preparation and setting out for building construction.
QUESTION 2
A. Define drive mechanism.
B. List any two types of building services.
QUESTION 3
Write out two advantages and a disadvantage of belt and chain drive each.
QUESTION 4
A. The gear A has 100 teeth while gear B has 25 teeth, calculate the gear ration.
B. Write two uses of pneumatic machines.