Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 42 of 48)

Attempt Materials and Construction Quiz
Addition of _____________ in steel can help in increasing the depth of hardness?
A. Nickel
B. Chromium
C. Vanadium
D. Tungsten
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Coke oven regenerators are made of ______________ bricks?
A. Fire clay
B. Silica
C. Low thermal conductivity
D. High electrical conductivity
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Presence of high phosphorous in cast iron increases its____________________?
A. Fluidity
B. Melting point
C. Shrinkage
D. Tensile strength
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The impure iron (pig iron) that is tapped out from blast furnace contains about _____________ percent carbon?
A. 0.2
B. 2
C. 4
D. 8
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Perspex is nothing but_____________________?
A. Acrylic sheet
B. An elastomer
C. An alloy of lead and tin
D. Aluminium foil clad with bakelite
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Cementite is________________?
A. Fe3c chemically
B. A compound of carbon and iron
C. Characterised by an orthorhombic crystal structure
D. All a., b. and c.
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Monel alloy is____________________?
A. The costliest of all the alloys of nickel
B. Not suitable for making kitchen utensils
C. Used for making steam valves and turbine blades as it resists steam attack at high temperature
D. Not used in cast and wrought forms
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Dielectric strength of a material is____________________?
A. Its energy storage capacity
B. A magnetic property
C. Its capacity to resist the flow of current
D. Its capacity to withstand high voltage
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Zinc is highly ______________ at room temperature?
A. Ductile
B. Resistant to atmospheric corrosion
C. Malleable
D. Brittle
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Liquid ammonia is shipped in _____________ containers?
A. Steel
B. Aluminium
C. Glass
D. Lead lined
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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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