Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 37 of 48)

Attempt Materials and Construction Quiz
Creep is not exhibited at low temperature by _____________________?
A. Rubber
B. Acrylics
C. Lead
D. Plastics
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Graphite is corroded by_________________?
A. Sulphuric acid (10%)
B. Sea water
C. Hydrochloric acid
D. None of these
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Titanium metal_________________?
A. Exists in three allotropic forms
B. Cannot be welded
C. Is used in oceanographic and space exploration applications
D. None of these
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Plasticisers are added to polymers to improve their____________________?
A. Tensile strength
B. Softness & flexibility
C. Acid resistance
D. Alkali resistance
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Out of the following, copper vessels are the most suitable for the storage of__________________?
A. Bromine
B. Dry chlorine & dry fluorine
C. Nitric acid (95% and fuming)
D. Phosphoric acid (95%) & sulphuric acid (95% and fuming)
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Shock resisting steels should possess high___________________?
A. Hardness
B. Toughness
C. Tensile strength
D. Wear resistance
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____________ alloys have the highest specific strength of all the structural materials out of the following?
A. Magnetic steel
B. Titanium
C. Chromium
D. Magnesium
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Materials having _____________ lattice structure are usually most ductile?
A. Fcc
B. Bcc
C. Hcp
D. Cubic
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Which of the following is the most elastic material ?
A. Plastic
B. Glass
C. Steel
D. Rubber
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Glass lined vessels are not used for handling__________________?
A. Dilute h2so4
B. Dilute hno3
C. Dilute hci
D. Hydrofluoric acid
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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