Metal Work questions for Senior Secondary School 3, Second Term:
Question: What is the primary purpose of case hardening in metalwork?
A) Increase electrical conductivity
B) Enhance corrosion resistance
C) Improve surface hardness
D) Reduce brittleness
Answer: C) Improve surface hardness
Question: Which metalworking process involves shaping metal by compressive forces applied through various dies?
A) Forging
B) Casting
C) Extrusion
D) Rolling
Answer: A) Forging
Question: What is the function of a mandrel in metal spinning?
A) Forming hollow shapes
B) Polishing surfaces
C) Cutting metal sheets
D) Creating threads
Answer: A) Forming hollow shapes
Question: In metal fabrication, what does the term “tolerance” refer to?
A) The amount of material to be removed
B) Permissible deviation from specified dimensions
C) Thickness of the metal sheet
D) Rate of heat transfer
Answer: B) Permissible deviation from specified dimensions
Question: Which type of welding uses a flux-coated electrode that produces a protective gas when heated?
A) Arc welding
B) TIG welding
C) MIG welding
D) Gas welding
Answer: A) Arc welding
Question: What is the purpose of a counterbore in metalwork?
A) Enlarging the top of a hole
B) Countersinking screws
C) Cutting external threads
D) Sharpening edges
Answer: A) Enlarging the top of a hole
Question: Which metal forming process involves the use of a press to shape sheet metal into desired contours?
A) Extrusion
B) Bending
C) Punching
D) Spinning
Answer: C) Punching
Question: What is the purpose of a center drill in metalwork?
A) Enlarging existing holes
B) Creating pilot holes
C) Cutting internal threads
D) Shaping metal bars
Answer: B) Creating pilot holes
Question: Which metal is commonly used in the process of electroplating to provide a thin, protective coating?
A) Gold
B) Aluminum
C) Lead
D) Nickel
Answer: D) Nickel
Question: What safety precaution should be taken when using a lathe machine?
A) Loose-fitting clothing
B) Eye protection
C) Absence of gloves
D) Standing close to the chuck
Answer: B) Eye protection.
FAQs
What topics are usually covered in SS3 second term metal work past questions?
SS3 second term metal work past questions typically cover topics such as metal properties, welding techniques, sheet metal work, fabrication, forging, and maintenance of tools. Questions often include both practical tasks and theoretical explanations to test students’ understanding of metal work principles.
How can I use past questions to prepare effectively for my SS3 metal work exam?
To prepare effectively, start by identifying recurring question patterns in past papers. Practice the practical questions by simulating workshop tasks at home or in school labs. For theory, review your notes and textbooks while answering past questions to test your recall and understanding. Time yourself during practice to improve speed and accuracy.
Are the answers to past questions detailed or brief, and how should I study them?
Answers in past question compilations may range from brief model answers to detailed explanations. It’s best to study both: understand the concise answers for quick recall, and review detailed explanations to grasp the underlying concepts. Writing out answers in your own words helps reinforce memory.
Where can I access SS3 second term metal work past questions and answers?
You can access them in school libraries, from teachers, or online educational platforms that compile Nigerian secondary school past questions. Some past question books also include suggested answers and marking schemes, which are helpful for self-assessment and exam practice.
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