JSS2 Third Term Basic Technology Past Questions And Answers
Basic Technology questions for JSS2 third term, each with options and answers:
Question: Which tool is commonly used for cutting wood along its grain?
A) Saw
B) Chisel
C) Hammer
D) Pliers
Answer: A) Saw
Question: In electrical circuits, what is the role of a diode?
A) Control current flow
B) Store electrical energy
C) Amplify signals
D) Generate heat
Answer: A) Control current flow
Question: What is the purpose of a thermostat in an electric iron?
A) Control temperature
B) Generate steam
C) Amplify signals
D) Store electrical energy
Answer: A) Control temperature
Question: In plumbing, which tool is used to tighten or loosen pipes?
A) Screwdriver
B) Wrench
C) Hammer
D) Pliers
Answer: B) Wrench
Question: Which type of energy resource is solar power?
A) Renewable
B) Non-renewable
C) Fossil fuel
D) Nuclear
Answer: A) Renewable
Question: What is the function of a thermostat in a heating system?
A) Control humidity
B) Control temperature
C) Generate heat
D) Store energy
Answer: B) Control temperature
Question: In electronics, what does the acronym ‘LED’ stand for?
A) Light Emitting Diode
B) Low Energy Device
C) Laser Emitting Diode
D) Long Electric Delay
Answer: A) Light Emitting Diode
Question: Which of the following is an example of a non-contact force?
A) Friction
B) Tension
C) Magnetic force
D) Gravity
Answer: C) Magnetic force
Question: What is the purpose of a capacitor in a camera’s flash circuit?
A) Control temperature
B) Store electrical energy
C) Amplify signals
D) Generate light
Answer: B) Store electrical energy
Question: In construction, what is the function of a plumb bob?
A) Measure angles
B) Level surfaces
C) Cut materials
D) Join materials
Answer: B) Level surfaces
Question: Which type of joint is commonly used in woodworking to connect two pieces of wood at a right angle?
A) Butt joint
B) Lap joint
C) Mitre joint
D) Dovetail joint
Answer: A) Butt joint
Question: What is the primary purpose of a fuse in an electrical circuit?
A) Control current flow
B) Increase voltage
C) Store electrical energy
D) Generate heat
Answer: A) Control current flow
Question: Which material is commonly used for insulating electrical wires?
A) Copper
B) Aluminum
C) Rubber
D) Steel
Answer: C) Rubber
Question: What is the purpose of a wheel and axle in a machine?
A) Increase speed
B) Store energy
C) Change direction
D) Control temperature
Answer: A) Increase speed
Question: Which of the following is an example of a lever in the human body?
A) Arm
B) Leg
C) Backbone
D) Skull
Answer: A) Arm
Question: In metalworking, what is the process of shaping metal by pouring molten metal into a mold?
A) Forging
B) Welding
C) Casting
D) Annealing
Answer: C) Casting
Question: What is the function of a capacitor in an audio amplifier circuit?
A) Control temperature
B) Store electrical energy
C) Amplify signals
D) Generate light
Answer: C) Amplify signals
Question: Which tool is used for measuring the diameter of circular objects?
A) Ruler
B) Protractor
C) Caliper
D) Compass
Answer: C) Caliper
Question: In woodworking, what is the purpose of a router?
A) Smooth surfaces
B) Cut curves
C) Join materials
D) Shape edges
Answer: D) Shape edges
Question: What is the main function of a centrifugal pump?
A) Generate electricity
B) Control temperature
C) Move fluids
D) Measure pressure
Answer: C) Move fluids.