Materials and Construction MCQs

479 MCQs — Chemical Engineering MCQs (Page 19 of 48)

Attempt Materials and Construction Quiz

Which has the maximum melting point out of the following ?

A. Steel
B. Cast iron
C. Stainless steel
D. Wrought iron

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Cast iron vessels are not suitable for the storage of_________________?

A. Freon
B. H2so4 (95%) at room temperature
C. H2so4 (fuming)
D. Wet so2

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Carbon supply in pack carburising process is in the form of_____________________?

A. Charcoal
B. Calcium carbide
C. Hydrocarbon oil
D. Graphite

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Maximum consumption of copper is in__________________?

A. Utensil manufacture
B. Electrical industry
C. Industrial equipment manufacture
D. Small scale industries

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Trough of an apron conveyor is made of___________________?

A. Lead lined concrete vessel
B. Wood
C. Metal
D. Either b. or c.

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The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?

A. Calorising
B. Galvanising
C. Zincification
D. Tempering

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Polythene (low or high density) containers are not corroded by___________________?

A. Sulphuric acid (10%) at room temperature
B. Nitric acid (95%) at room temperature
C. Sulphur trioxide at 60°c
D. Any of these

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Hydrocyanic acid is not shipped in______________?

A. Cast iron vessels
B. Steel cylinders
C. Aluminium containers
D. Monel drums

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Metal at the top of the electromotive series is________________?

A. Least active
B. Most stable
C. Most active
D. Most noble

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Pick out the wrong statement?

A. Metal/alloys having hexagonal crystal lattice structure are less malleable than those having
CubIc crystal lattice structure
B. Metal/alloys having body centred cubic (bcc) crystal lattice structure is stronger & less ductile
ThaN those having face centred cubic (fcc) crystal lattice structure

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