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COREN Interviews use to have a duration of 20 to 30 minutes

Table of Contents

General Instructions on Appearance and Answering Questions

Ensure you dress well.
If you wear a corporate dress, ensure you put on a tie.
If you wear agbada or traditional, ensure you put on a cap.
Be bold and confident in answering questions even if you are not sure of the answer.
Don’t be quick to respond to questions. Ensure you understand the question you’re being asked and use the right engineering terms when answering.

General Instructions on likely Areas of Concentration for Questions (drawn from the COREN website)

Practice and understand engineering in planning, design, production, construction, installation, fabrication, testing, commissioning, maintenance, operations, research, entrepreneurship, and sales of Engineering Products.
Knowledge and understanding of Standards, Codes, Manuals, Handbooks, and other documents that contain the body of knowledge and practice relevant to the field of engagement.
Health, Safety, and Environmental issues relevant to the area of practice.
The Engineers Code of Ethics, regulations, and COREN Act.
Current Affairs (as related to Engineering Profession).

This is basically about NSE and COREN, e.g.

Who is the president of NSE?
Who is the president of COREN?
Who is the registrar of CORN?
What is the full meaning of COREN?
What is the full meaning of NSE and enumerate three (3) of its functions?
State three (3) functions of COREN.
Compare and contrast the functions of COREN and NSE.
Do you think engineers are responsible for the high rate of unemployment currently witnessed in the country?

Do you think society needs Chemical Engineers for infrastructural development?
Discuss briefly the mechanism of heat transfer. How does it influence equipment design?
Fluids can be classified into two major categories based on their behavior to applied shear stress, state the two categories giving an example of each.
What is the application of anyone mentioned in Number 3 above?
An equation for the pressure drops in a fixed bed was given. We were required to state which would have a greater effect on the pressure drop across the reactor.
10% decrease in particle size Dp.
10% decrease in reactor bed pore size, ‘phi’.
In the industrial preparation of vinyl chloride, two processes are considered. State the advantage and disadvantages of each process.
Ethane reacts with chlorine Cl₂ to produce vinyl chloride.
Ethan reacts with hydrochloric acid to produce vinyl chloride.
List safety precautions to take at the workplace.

What are the challenges affecting the Nigerian electricity market and discuss remedies?
What are transformer losses and discuss the types?
Discuss the use of transistors.
What is reverse polarity?
Differentiate between over and under-current relays.
What are single-phase autotransformers?
List five advantages of single-phase autotransformers.
What determines your choice of programming language in solving a given problem?
Identify five programming languages.
Define aliasing and how it influences medical diagnosis.
Differentiate between discrete signals and digital signals.
What is the process carried out when carrying out the maintenance of high-voltage transformers?
What are the causes of arc in circuit breakers?
What are the types of circuit breakers?
What is renewable energy?
Discuss any four (4) renewable energy you know.
Why do you think renewable energy is not being used or put into practice despite its advantages?
What is the internet of things (IoT)?
List safety precautions to take at the workplace.

Do you think society differentiates between Mechanical, Metallurgical/Material, and Mechatronics Engineering disciplines?
Write briefly on the following as related to engineering design (a) component de-rating (b) redundancy
List two methods of extracting metals from their ore.
As a Material Engineer, apart from the use of traditional ceramics in producing canopies for aircraft which shattered when hit by birds and rocks, design any other material that could be used to prevent the canopy from being scattered.
What is responsible for the continuous increase in infrastructure collapse? Do you think you are responsible?
List safety precautions to take at the workplace.

Likely Civil Engineering questions can be found HERE.