NECO Metal Work Questions Objective and Theory Update
– NECO Metal Work Questions –
NECO Metal Work Questions is out now on our website. In this article, I will show you past NECO Metal Work random repeated questions for free. All you need to do is to stay focused and follow this guide.
About NECO
The establishment of the National Examinations Council (NECO) in April 1999 is a culmination of the reaction of the Federal Government.
This was to widespread escalating agitations for a national examination outfit that would respond to the Nigerian needs and demands.
As well as cope with the annually increasing number of secondary school candidates to take Senior School Certificate Examination (SSCE) nationwide.
A Series of panels had earlier been set up to address the issues before this vital decision was taken.
The Mission
To deliver examinations whose results are trusted worldwide for their credibility.
The Vision
To become a major player in the global assessment industry.
Core Value
Redefining the future of the Nigerian child through quality assessment.
The National Examinations Council (also known as NECO) is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and December/January, respectively.
NECO Metal Work Question and Answers
Question 1
(1) (a) State three metalwork operations for which goggle must be worn.
(b) State one merit of each of the following operations:
i. dot punching of a marked-out line;
ii. centre punching;
iii. chalking the surface of the steel rule.
(c) (i) What is an alloy?
(ii) State one effect each of alloying metals with:
I. chromium;
II. tungsten.
Question 2
2. (a) State two effects tempering has on the properties of hardened high carbon steel.
(b) State two reasons for annealing low carbon steels.
(c) What is forging?
(d) State one use of each of the following forging tools:
(i) swage;
(ii) anvil.
Question 3
3. (a) (i) Sketch a buttress thread;
(ii) Label four parts of the sketch in 3(a)(i).
(b) Explain the following foundry terms:
(i) core print;
(ii) cavity.
(c) State one quality of moulding sand.
Question 4
4. (a) (i) State two reasons why metal surfaces are protected.
(ii) List three methods of protecting metal surfaces from corrosion.
(b) Explain with the aid of sketches, the following sheet metalwork tools in use:
(i) folding bar;
(ii) sandbag.
Question 5
5(a) (i) State two design questions which may serve as a guide when evaluating a finished product.
(ii) Explain the specification of the term as used in the design.
(b) Use the sketch below to answer the questions that follow.
(i) Identify the tools labelled R, S, T, U and V.
(ii) State the operations being carried out with any three of the tools identified in 5(b)(i).
DISCLAIMER! These are not real NECO Metal Work Questions , but likely repeated questions over the years to help candidates understand the nature of their examinations. Ensure to note every question provided on this page.
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