A set of Chemical Engineering questions and answers to test your understanding of developing and designing chemical manufacturing processes. Ideal for Chemical engineering students and candidates preparing for job aptitde tests or interviews.
Titanium alloys are welded using the following process:
TIG welding.
Submerged arc welding.
Butt welding.
Electron beam welding.
Correct answer is A
No explanation has been provided for this answer.
Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.
yield strength
elastic limit
proportional limit
maximum point
Correct answer is C
No explanation has been provided for this answer.
Maximum permissible air velocity in pipelines is about __________ metre/second.
5
10
20
40
Correct answer is B
No explanation has been provided for this answer.
The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
60 - 100
400 - 700
1200 -1500
2000 - 2300
Correct answer is B
No explanation has been provided for this answer.
A ferromagnetic material becomes paramagnetic above the 'Curie temperature'.
Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials.
Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces.
Tungsten steel and alnico are not hard magnetic materials.
Correct answer is D
No explanation has been provided for this answer.
In the blast furnace, incorporation of water vapour in the blast gives the following effect.
Increases the reducing potential of the gas.
Increases the flame temperature.
No significant change occurs.
Increases the hydrogen content in the metal.
Correct answer is A
No explanation has been provided for this answer.
Powder metallurgy process does not make metal powder by
atomisation
grinding/milling
hammering
electrolytic deposition
Correct answer is C
No explanation has been provided for this answer.
Wrought iron is never shaped by
casting
cold working
forging
welding
Correct answer is A
No explanation has been provided for this answer.
Direct Sales Officers in a Microfinance Bank (Lagos)
Airport Check-in Customer Service Officers at MalaikAir
Warehouse Manager at Guinness Nigeria Plc
Contact Centre Agent at Kennedia Consulting Limited
Legal Counsel at Millhouse Legal Advisory
Managing Director at Raphael Group
Human Resources Manager at MalaikAir
Client Support Assistant at Wema Bank Plc
Finance Director, Nigeria at Visa Incorporated
