JSS1 Second Term Basic Technology Past Questions And Answers
Basic Technology questions for JSS1 second term, each with options and answers:
Question: What is the primary purpose of a lathe machine in metalworking?
A) Drilling holes
B) Shaping and cutting metal
C) Measuring angles
D) Joining materials
Answer: B) Shaping and cutting metal
Question: Which type of circuit allows only one path for electric current?
A) Parallel circuit
B) Series circuit
C) Combination circuit
D) Complex circuit
Answer: B) Series circuit
Question: What is the function of a capacitor in an electronic circuit?
A) Store and release electrical energy
B) Increase resistance
C) Amplify sound
D) Measure voltage
Answer: A) Store and release electrical energy
Question: In woodworking, what is the purpose of a chisel?
A) Measuring angles
B) Shaping wood
C) Tightening screws
D) Joining materials
Answer: B) Shaping wood
Question: Which material is commonly used as a lubricant in machinery?
A) Water
B) Oil
C) Sand
D) Rubber
Answer: B) Oil
Question: What is the primary function of a telescope?
A) Measure temperature
B) Magnify distant objects
C) Transmit data
D) Generate electricity
Answer: B) Magnify distant objects
Question: Which of the following is an example of renewable energy?
A) Coal
B) Solar power
C) Natural gas
D) Nuclear power
Answer: B) Solar power
Question: What is the purpose of a bearing in a machine?
A) Transmit motion
B) Reduce friction between moving parts
C) Generate heat
D) Increase resistance
Answer: B) Reduce friction between moving parts
Question: Which instrument is used to measure the intensity of light?
A) Anemometer
B) Hydrometer
C) Lactometer
D) Lux meter
Answer: D) Lux meter
Question: What is the function of a thermostat in a cooling system?
A) Regulate temperature
B) Increase pressure
C) Control humidity
D) Generate heat
Answer: C) Control humidity
Question: In electronics, what is the purpose of a diode?
A) Store electrical energy
B) Control current flow in one direction
C) Measure resistance
D) Increase voltage
Answer: B) Control current flow in one direction
Question: Which tool is commonly used for measuring the diameter of round objects?
A) Micrometer screw gauge
B) Vernier caliper
C) Ruler
D) Protractor
Answer: A) Micrometer screw gauge
Question: What is the primary function of a hydraulic jack?
A) Cut materials
B) Lift heavy objects
C) Measure pressure
D) Transmit sound
Answer: B) Lift heavy objects
Question: What is the purpose of a thermostat in a heating system?
A) Regulate temperature
B) Measure humidity
C) Control air circulation
D) Increase pressure
Answer: A) Regulate temperature
Question: Which device is used to measure electrical resistance?
A) Ammeter
B) Voltmeter
C) Ohmmeter
D) Multimeter
Answer: C) Ohmmeter
Question: What is the function of a soldering iron in electronics?
A) Cutting wires
B) Joining metal components
C) Measuring resistance
D) Generating heat
Answer: B) Joining metal components
Question: Which type of gear is used to transmit motion between parallel shafts?
A) Spur gear
B) Worm gear
C) Bevel gear
D) Helical gear
Answer: A) Spur gear
Question: In plumbing, what is the purpose of a wrench?
A) Cutting pipes
B) Measuring water flow
C) Tightening and loosening nuts
D) Connecting hoses
Answer: C) Tightening and loosening nuts
Question: What does the acronym CNC stand for in machining?
A) Centralized Numerical Control
B) Computerized Numerical Control
C) Controlled Numeric Circuit
D) Central Numeric Configuration
Answer: B) Computerized Numerical Control
Question: Which energy transformation occurs in a battery-powered flashlight?
A) Electrical to thermal
B) Chemical to electrical
C) Mechanical to sound
D) Solar to electrical
Answer: B) Chemical to electrical.
