SS3 First Term Metal Work Past Questions and Answers (Objective and Theory)

 

20 multiple-choice questions for Senior Secondary School 3 (SS3) first term Metal Work, along with options and answers. Additionally, there are 5 theory questions for section B.

 

Section A: Multiple-Choice Questions

What is the primary function of a hacksaw in metalwork?

 

A) Drilling

B) Cutting

C) Welding

D) Grinding

Answer: B) Cutting

Which metal is known for its corrosion resistance?

 

A) Iron

B) Aluminum

C) Copper

D) Zinc

Answer: B) Aluminum

What is the process of shaping metal by heating and hammering called?

 

A) Forging

B) Casting

C) Extrusion

D) Rolling

Answer: A) Forging

Which tool is used for measuring inside dimensions of an object?

 

A) Vernier Caliper

B) Micrometer Screw Gauge

C) Depth Gauge

D) Inside Caliper

Answer: D) Inside Caliper

What is the function of a milling machine in metalwork?

 

A) Cutting threads

B) Shaping surfaces

C) Bending metal

D) Welding seams

Answer: B) Shaping surfaces

Which welding method uses a flux to protect the weld area?

 

A) MIG Welding

B) TIG Welding

C) Stick Welding

D) Flux-Cored Arc Welding

Answer: D) Flux-Cored Arc Welding

What is the main alloying element in stainless steel?

 

A) Iron

B) Chromium

C) Nickel

D) Copper

Answer: B) Chromium

Which safety equipment is essential when welding?

 

A) Earplugs

B) Safety glasses

C) Welding helmet

D) Gloves

Answer: C) Welding helmet

What type of joint is formed by overlapping two metal pieces and welding along the edges?

 

A) Lap joint

B) Butt joint

C) T-joint

D) Corner joint

Answer: A) Lap joint

Which metalworking process involves immersing a metal object in a molten zinc bath?

 

A) Galvanizing

B) Anodizing

C) Electroplating

D) Tempering

Answer: A) Galvanizing

What tool is commonly used for marking lines on metal before cutting?

 

A) Scriber

B) Chisel

C) Punch

D) Hacksaw

Answer: A) Scriber

Which type of file is suitable for finishing curved surfaces?

 

A) Flat file

B) Half-round file

C) Round file

D) Triangular file

Answer: B) Half-round file

What is the purpose of a die in metalworking?

 

A) Cutting external threads

B) Cutting internal threads

C) Measuring thickness

D) Polishing surfaces

Answer: A) Cutting external threads

Which material is commonly used as a flux in soldering?

 

A) Lead

B) Tin

C) Rosin

D) Zinc

Answer: C) Rosin

What is the primary advantage of using a bandsaw in metalwork?

 

A) Precise cutting curves

B) Fast material removal

C) High heat resistance

D) Welding capabilities

Answer: A) Precise cutting curves

Which metalworking process involves removing material by an abrasive wheel?

 

A) Milling

B) Drilling

C) Grinding

D) Turning

Answer: C) Grinding

What is the purpose of tempering in the heat treatment of steel?

 

A) Harden the steel

B) Increase ductility

C) Remove impurities

D) Enhance conductivity

Answer: B) Increase ductility

Which type of welding uses a filler material to join two pieces of metal?

 

A) Fusion welding

B) Pressure welding

C) Gas welding

D) Brazing

Answer: D) Brazing

What is the primary function of a tap in metalworking?

 

A) Cutting external threads

B) Cutting internal threads

C) Measuring thickness

D) Polishing surfaces

Answer: B) Cutting internal threads

Which of the following is a non-ferrous metal?

 

A) Steel

B) Brass

C) Cast Iron

D) Stainless Steel

Answer: B) Brass

Section B: Theory Questions

Explain the importance of proper safety measures in metalworking.

 

Describe the steps involved in the process of galvanizing metal.

 

Discuss the advantages and disadvantages of TIG welding compared to MIG welding.

 

Explain the purpose of heat treatment in metalworking and provide examples of heat treatment processes.

 

Describe the role of lubrication in metal cutting processes and its impact on tool life.