Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 28 of 48)

Attempt Materials and Construction Quiz
Concentrated HCl at 30°C can be stored in a vessel made of ________________________?
A. Ptfe and porcelain
B. Cast iron and aluminium
C. Stainless steel and high silicon cast iron
D. None of these
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When the steel is subjected to normalising, its ______________ decreases?
A. Yield point
B. Ductility
C. Ultimate tensile strength (uts)
D. None of these
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Which of the following is not an alloy of tin ?
A. White-bearing metal
B. Pewter type metal
C. Soft solder
D. German silver
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______________ can replace tungsten in high speed steel ?
A. Chromium
B. Vanadium
C. Cobalt
D. Molybdenum
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The ability of a material to absorb energy in the elastic range is a measure of its __________________?
A. Toughness
B. Resilience
C. Malleability
D. Brittleness
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Mild steel is ___________________?
A. A low carbon steel (0.05 to 0.3% carbon)
B. Highly resistant to corrosion (as much as stainless steel)
C. A high carbon steel (0.5 to 1.5% carbon)
D. Very poor in strength & ductility
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The digester of a Gobar gas plant is a___________________?
A. Mild steel drum
B. Stainless steel vessel
C. Masonry well
D. Cast iron vessel
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Hot working of lead is carried out at_________________?
A. 75° c
B. 373° k
C. 150° c
D. Room temperature
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Which of the following contains maximum percentage of carbon ?
A. Boiler plate steel
B. Rail steel
C. Saws for cutting steel
D. Railway spring steel
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Which of the following has the poorest weldability ?
A. Low carbon steel
B. Mild steel
C. Wrought iron
D. High-carbon steel
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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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