Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 43 of 48)

Attempt Materials and Construction Quiz
Corrosion resistance of steel is increased by the addition of_________________?
A. Phosphorous and tungsten
B. Nickel and chromium
C. Lead and vanadium
D. Molybdenum and tungsten
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Which of the following crystal structures characterises the austenitic stainless steel ?
A. Simple hexagonal
B. Body centred cubic
C. Face centred cubic
D. None of these
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Maximum consumption of zinc is in____________________?
A. Alloying
B. Galvanising
C. Utensil manufacture
D. Electrical industry
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The purpose of nitriding the steel is to___________________?
A. Harden its surface
B. Soften its surface
C. Improve its reliability
D. None of these
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Tank furnace used for melting of glass is made of___________________?
A. Mild steel
B. Cast iron
C. Refractory blocks
D. Stainless steel
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Residual magnetism in steel for magnets is increased by the addition of__________________?
A. Nickel
B. Cobalt
C. Tungsten
D. Chromium
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The maximum percentage of chromium that can be added to steel is about____________________?
A. 12
B. 18
C. 24
D. 30
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The hardest material just prior to diamond in Mho’s scale is___________________?
A. Topaz
B. Carborundum
C. Corundum
D. Calcite
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Which of the following is not an alloy of nickel and chromium ?
A. Inconel
B. Hastelloy
C. Nimonic alloys
D. Duralumin
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Cast iron has very high___________________?
A. Compressive strength
B. Ductility
C. Shock resistance
D. Resistance to brittleness
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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