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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Notched bar test is used for testing the _________________ of a material?
A Impact strength
B Endurance limit
C Machinability
D Corrosion resistance
Correct Answer: Impact strength
The unit of gc is ___________________?
A lbm/lbf. ft/sec2
B lbf/lbm. ft/sec2
C ft/sec2
D lbm/lbf. sec2/ft
Correct Answer: lbm/lbf. ft/sec2
One of the methods of purification of leach liquor is ion exchange, which involves_________________?
A Exchange between two liquid phases
B Exchange between a gaseous phase and a liquid phase
C Exchange between a liquid phase and an organic resin phase
D Exchange between a solid phase and a gas phase
Correct Answer: Exchange between a liquid phase and an organic resin phase
Thermal equivalent of electrical power in practical calculation is _______________ kcal/kWh ?
A 746
B 3000
C 1000
D 550
Correct Answer: 3000
Silicon percentage in acid resistant cast iron is about ___________________?
A 4
B 8
C 14
D 20
Correct Answer: 4
The atmospheric temperature during melting of ice/snow (in the atmosphere)_________________?
A Decreases
B Increases
C Remain same
D May increase or decrease; depends on the altitude where snow melts
Correct Answer: Decreases
_______________ is not a case hardening process ?
A Carburising
B Nitriding
C Cyaniding
D Annealing
Correct Answer: Carburising
Calorific value of ____________________ are almost same?
A Lignite & anthracite coal
B Lignite & coal gas
C Petrol & diesel
D Coal gas & natural gas
Correct Answer: Petrol & diesel
Identify the correct statement with reference to the extractive metallurgy of aluminium ?
A The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3
B Approximately 80% of the aluminium deposited on the cathode comes from cryolite
C Sodium is deposited along with aluminium, but is immediately vaporised
D Anode effect sets in when the cryolite concentration goes below 40%.
Correct Answer: The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3
The main charge in blast furnace is usually___________________?
A Iron ore & coke
B Iron ore, coke & air
C Limestone, coke & iron ore
D Limestone, sand & iron ore
Correct Answer: Limestone, coke & iron ore
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