Jss3 Third term prevocational studies past questions and answers

Here are 20 more JSS3 Prevocational Studies questions with options and answers:

 

Question: What is the primary function of a solar panel in renewable energy systems?

 

a) Storing electricity

b) Converting sunlight into electricity

c) Generating wind energy

d) Regulating temperature

Answer: b) Converting sunlight into electricity

Question: In automotive maintenance, what does the term “RPM” stand for?

 

a) Revolutions Per Mile

b) Rounds Per Minute

c) Reciprocal Power Mechanism

d) Radial Pressure Measurement

Answer: b) Rounds Per Minute

Question: Which type of screwdriver is commonly used for slotted or flathead screws?

 

a) Phillips screwdriver

b) Torx screwdriver

c) Flathead screwdriver

d) Hex screwdriver

Answer: c) Flathead screwdriver

Question: What is the purpose of a serger in garment making?

 

a) Sewing buttons

b) Overlocking and finishing fabric edges

c) Hemming pants

d) Stitching straight seams

Answer: b) Overlocking and finishing fabric edges

Question: In construction, what is the purpose of scaffolding?

 

a) Mixing concrete

b) Providing a temporary work platform

c) Cutting wood

d) Painting walls

Answer: b) Providing a temporary work platform

Question: Which tool is used for measuring the thickness of metal sheets in sheet metal work?

 

a) Vernier caliper

b) Micrometer

c) Ruler

d) Protractor

Answer: b) Micrometer

Question: What is the primary function of a ball peen hammer in metalworking?

 

a) Cutting

b) Joining

c) Shaping metal

d) Hammering and shaping

Answer: d) Hammering and shaping

Question: In electronic circuits, what does the term “IC” stand for?

 

a) Integrated Circuit

b) Insulating Conductor

c) Inductive Coil

d) Interface Connector

Answer: a) Integrated Circuit

Question: What is the purpose of a pressure gauge in a hydraulic system?

 

a) Measuring temperature

b) Indicating fluid pressure

c) Regulating voltage

d) Controlling humidity

Answer: b) Indicating fluid pressure

Question: In plumbing, which material is commonly used for water pipes due to its corrosion-resistant properties?

 

a) Copper

b) PVC (Polyvinyl chloride)

c) Steel

d) Brass

Answer: a) Copper

Question: What is the primary function of a belt sander in woodworking?

 

a) Cutting curves

b) Smoothing surfaces

c) Drilling holes

d) Joining materials

Answer: b) Smoothing surfaces

Question: In electrical wiring, what is the purpose of a junction box?

 

a) Regulating current

b) Joining electrical wires

c) Measuring resistance

d) Storing electricity

Answer: b) Joining electrical wires

Question: What is the purpose of a tap and die set in metalworking?

 

a) Measuring angles

b) Threading screws and bolts

c) Welding joints

d) Sanding surfaces

Answer: b) Threading screws and bolts

Question: In cooking, what does the term “mise en place” refer to?

 

a) Mixing ingredients

b) Preparing and organizing ingredients before cooking

c) Baking bread

d) Grilling meat

Answer: b) Preparing and organizing ingredients before cooking

Question: Which of the following is a common abrasive material used in sandpaper?

 

a) Glass

b) Aluminum

c) Silicon carbide

d) Rubber

Answer: c) Silicon carbide

Question: What safety precaution is important when using power tools?

 

a) Ignoring safety guards

b) Using tools with damaged cords

c) Wearing appropriate personal protective equipment (PPE)

d) Working alone

Answer: c) Wearing appropriate personal protective equipment (PPE)

Question: In automotive maintenance, what does the term “OBD” stand for?

 

a) Onboard Diagnostic

b) Oil and Brake Distribution

c) Overhead Belt Drive

d) Outside Body Design

Answer: a) Onboard Diagnostic

Question: Which of the following is a common method for joining metal parts in welding?

 

a) Bolting

b) Soldering

c) Riveting

d) Nailing

Answer: c) Riveting

Question: In electronics, what is the purpose of a diode?

 

a) Amplifying signals

b) Controlling current flow in one direction

c) Storing electrical charge

d) Transmitting radio waves

Answer: b) Controlling current flow in one direction

Question: What tool is commonly used for cutting curves in woodworking?

 

a) Coping saw

b) Hacksaw

c) Crosscut saw

d) Circular saw

Answer: a) Coping saw