JSS2 Second Term Basic Technology Past Questions And Answers
Basic Technology questions for JSS2 second term, each with options and answers:
Question: What is the primary function of a wrench?
A) Measuring
B) Turning bolts and nuts
C) Cutting
D) Soldering
Answer: B) Turning bolts and nuts
Question: Which device is used to measure electric current in a circuit?
A) Voltmeter
B) Ammeter
C) Ohmmeter
D) Thermometer
Answer: B) Ammeter
Question: In carpentry, what tool is used for marking and transferring measurements?
A) Chisel
B) Mallet
C) Square
D) Saw
Answer: C) Square
Question: What does the term ‘CAD’ stand for in relation to design and drafting?
A) Computer-Aided Design
B) Centralized Architecture Database
C) Creative Artistic Drawing
D) Circuit Analysis and Design
Answer: A) Computer-Aided Design
Question: What is the purpose of a circuit breaker in an electrical system?
A) Control current flow
B) Increase voltage
C) Store electrical energy
D) Amplify signals
Answer: A) Control current flow
Question: Which of the following is a disadvantage of using fossil fuels for energy production?
A) Renewable source
B) Low pollution
C) Depletion of resources
D) Minimal greenhouse gas emissions
Answer: C) Depletion of resources
Question: What is the function of a rheostat in an electrical circuit?
A) Store electrical energy
B) Control current flow
C) Amplify signals
D) Convert energy
Answer: B) Control current flow
Question: In metalwork, what is the purpose of annealing?
A) Hardening metal
B) Removing rust
C) Softening metal
D) Shaping metal
Answer: C) Softening metal
Question: Which of the following is an example of a pulley?
A) Screwdriver
B) Hammer
C) Conveyor belt
D) Pliers
Answer: C) Conveyor belt
Question: What is the main purpose of a transformer in an electrical system?
A) Control current flow
B) Change voltage levels
C) Store electrical energy
D) Generate heat
Answer: B) Change voltage levels
Question: What is the purpose of a soldering iron?
A) Cutting metal
B) Joining or repairing electronic components
C) Measuring temperature
D) Sanding surfaces
Answer: B) Joining or repairing electronic components
Question: Which material is commonly used as a conductor in electrical wiring?
A) Glass
B) Plastic
C) Aluminum
D) Wood
Answer: C) Aluminum
Question: In construction, what tool is used for digging and moving soil?
A) Hammer
B) Chisel
C) Shovel
D) Saw
Answer: C) Shovel
Question: What is the purpose of a gearbox in a machine?
A) Increase speed
B) Store energy
C) Change direction
D) Control temperature
Answer: C) Change direction
Question: What is the function of a solenoid in an electrical circuit?
A) Control temperature
B) Control current flow
C) Store electrical energy
D) Generate light
Answer: B) Control current flow
Question: Which of the following is an example of a renewable energy source?
A) Coal
B) Hydropower
C) Natural gas
D) Nuclear power
Answer: B) Hydropower
Question: What is the purpose of a Vernier caliper?
A) Measure angles
B) Measure length and thickness
C) Control current flow
D) Generate heat
Answer: B) Measure length and thickness
Question: In metalworking, what is the process of cutting or shaping a material by applying a high-velocity stream of abrasive particles?
A) Forging
B) Welding
C) Grinding
D) Annealing
Answer: C) Grinding
Question: Which simple machine is a wheel with a groove in its rim, used to transmit force?
A) Pulley
B) Lever
C) Inclined plane
D) Wedge
Answer: A) Pulley
Question: What is the purpose of a capacitor in an electronic circuit?
A) Control current flow
B) Store electrical energy
C) Amplify signals
D) Generate heat
Answer: B) Store electrical energy.