Jss3 second term prevocational studies past questions and answers

JSS3 Prevocational Studies questions with options and answers:

Question: What type of welding involves melting and joining metals using a filler material?

a) Arc welding

b) Gas welding

c) MIG welding

d) TIG welding

Answer: c) MIG welding

Question: In graphic design, what does CMYK stand for?

 

a) Cyan, Magenta, Yellow, Key

b) Red, Green, Blue, Black

c) Color, Mix, Yield, Key

d) Cold, Misty, Yellow, Kinetic

Answer: a) Cyan, Magenta, Yellow, Key

Question: Which type of wood is commonly used for making furniture due to its durability and resistance to decay?

 

a) Pine

b) Oak

c) Maple

d) Cedar

Answer: b) Oak

Question: What is the purpose of a circuit breaker in an electrical system?

 

a) Connecting circuits

b) Amplifying signals

c) Interrupting the flow of electricity

d) Measuring resistance

Answer: c) Interrupting the flow of electricity

Question: In automotive maintenance, what does the acronym “ABS” stand for?

 

a) Anti-Brake System

b) Automatic Brake System

c) Advanced Brake System

d) Anti-Lock Braking System

Answer: d) Anti-Lock Braking System

Question: Which tool is commonly used for cutting glass in glazing work?

 

a) Hacksaw

b) Chisel

c) Glass cutter

d) Jigsaw

Answer: c) Glass cutter

Question: What is the purpose of a thermostat in a heating system?

 

a) Measuring temperature

b) Controlling humidity

c) Regulating pressure

d) Filtering air

Answer: a) Measuring temperature

Question: In plumbing, what is the purpose of a pipe wrench?

 

a) Measuring pipe diameter

b) Tightening and loosening pipes

c) Cutting pipes

d) Joining pipes

Answer: b) Tightening and loosening pipes

Question: Which material is commonly used as a lubricant in machinery to reduce friction?

 

a) Water

b) Sand

c) Oil

d) Cement

Answer: c) Oil

Question: What is the primary function of a lathe machine in metalworking?

 

a) Welding

b) Turning and shaping

c) Hammering

d) Soldering

Answer: b) Turning and shaping

Question: In electronics, what does the abbreviation “LED” stand for?

 

a) Light Emitting Device

b) Light Emitting Diode

c) Low Energy Device

d) Long-lasting Electrical Device

Answer: b) Light Emitting Diode

Question: What is the purpose of a gearbox in an automobile?

 

a) Steering control

b) Engine cooling

c) Transmission of power and torque

d) Exhaust filtration

Answer: c) Transmission of power and torque

Question: Which of the following is a hand tool used for smoothing and shaping wood surfaces?

 

a) Hacksaw

b) Chisel

c) Plane

d) Rasp

Answer: c) Plane

Question: What safety gear is essential when using a welding machine?

 

a) Safety glasses

b) Earplugs

c) Welding helmet and gloves

d) Lab coat

Answer: c) Welding helmet and gloves

Question: What is the purpose of a thermostat in a cooling system?

 

a) Regulating fuel flow

b) Measuring tire pressure

c) Controlling engine temperature

d) Adjusting suspension

Answer: c) Controlling engine temperature

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

 

a) Storing electrical charge

b) Regulating current flow

c) Amplifying signals

d) Transmitting radio waves

Answer: b) Regulating current flow

Question: Which material is commonly used as a thermal insulator in construction?

 

a) Glass

b) Rubber

c) Fiberglass

d) Aluminum

Answer: c) Fiberglass

Question: What is the primary function of a torque wrench in mechanical work?

 

a) Measuring pressure

b) Tightening bolts with specific torque

c) Cutting metal

d) Hammering

Answer: b) Tightening bolts with specific torque

Question: Which tool is used for measuring angles and drawing circles in technical drawing?

 

a) Compass

b) Protractor

c) Divider

d) Ruler

Answer: a) Compass

Question: In woodworking, what is the purpose of a coping saw?

 

a) Sanding surfaces

b) Cutting intricate curves and shapes

c) Joining materials

d) Planing wood

Answer: b) Cutting intricate curves and shapes