JSS 2 Basic Technology Essay Exam Questions

First Term Essay Questions

(55 Marks) 1a. Define the following terms:
(i) Angle (ii) Circle (iii) Triangle (iv) Quadrilateral (v) Polygon.
1b. Use the circle below to answer the following questions:

i. The whole Distance from A moving round the circle in any direction and back to A is known as what?
iii. The line AC or BC is known as what?
iv. The line BD is called what?
v. The line EF is called what?
vi. The line GH touching the circumference at a point is known as what?
vii. The line IJ is called what?
viii. The area M subtending an angle of 900 at the circles centre is known as what?
ix. The area L is called what?
x. the area K subtended on the circumference is known as what?

2a. What is information and communication technology (ICT)?
2b. Distinguish between computer hardware and computer software stating four (4) examples in each case.
2c. Define the internet.

3a. Distinguish between analog and digital communication systems.
3b. State and briefly discuss four (4) purposes of the internet.

4a. What is first aid?
4b State any two (2) principal benefits of first aid.
4c. State any six (6) conditions which necessitate the administration of first aid to victims.

5. With the aid of diagrams, briefly explain any five (5) types of angles.
6a. With the aid of diagrams, briefly explain any three (3) types of triangles.
6b. With the aid of diagrams, briefly explain any two (2) types of quadrilateral.
7a. Construct angle 90°. °7c. Construct a triangle of sides 6cm.

Second Term Essay Questions

1a. What is metal work?
1b. Define marking out and list four (4) marking out tools you know.
1c. What are driving tools? List two (2) driving tools you know.
1d. list eight (8) measuring and gauge tools you know.

2a. Differentiate between renewable and non-renewable sources of energy stating two (2) examples in each case.
2b. Write short notes on the following:
i. Fuel
ii. Electric motor
iii. Cell

3a. Define energy
3b. What is heat transfer?
3c. List and discuss the four important effects that result from heat transfer.

4a. Differentiate between refrigeration and air conditioning.
4b. Briefly explain the following:
i. Refrigerator
ii. Freezer
iii. Air conditioner
5a. Distinguish between primary cell and secondary cell stating two (2) examples in each case.
5b. List six (6) home appliances that converts electrical energy to heat energy.
5c. List six (6) home appliances that converts electrical energy to mechanical energy.
6a. Explain briefly the operation of a kerosene stove.
6b. List six (6) home appliances that converts chemical energy to heat energy.

7. List and describe the parts of
a. Gas cooker
b. Gas lamp

Third Term Essay Questions

1a. Write short notes on the following:
(i) Electric charges
(ii) Electric circuit
(iii) Voltage
(iv) Electric resistance
(v) Electrical current
1b. Differentiate between static electricity and current electricity.
1c. With the aid of diagrams, distinguish between series circuit and parallel circuit.

2a. Differentiate between direct current (D.C) and alternating current (A.C).
2 b. Sketch the output voltage for DC and AC voltage respectively.
2c. State two (2) advantages of AC voltage over DC voltage.

3a. Briefly discuss the generation of electricity.
3b. Explain briefly the two (2) types of power plants stating one (1) example in each case.

4. Discuss transmission of electricity at
a. Low frequency
b. High frequency

5a. What is distribution of electricity?
5b. Define household wiring
5c. List twelve (12) examples of household appliances that uses electricity
6a. What is site preparation?
6b. State with uses each
(i) Five (5) hand tools for site preparation.
(ii) Three mechanical plants for site preparation.

7a. List and explain five (5) setting out material.
7b. State and explain five (5) simple maintenance methods.