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Chemical Engineering MCQs
Chemical Engineering MCQs
6108 MCQs (Page 442 of 611)
Attempt Chemical Engineering Quiz
Which of the following has no effect on the carbide forming tendency in steels ?
A. Molybdenum
B. Phosphorus
C. Chromium
D. Vanadium
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High carbon steel contains more than _____________ percent carbon?
A. 0.5
B. 2.2
C. 2.5
D. 2.8
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Manganese in steel affects its__________________?
A. Ductility
B. Tensile strength
C. Hardness
D. None of these
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Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with______________?
A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid proof bricks
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Cast iron is__________________?
A. Used for making shock resisting parts
B. Manufactured in cupola and is brittle
C. Having compressive strength more than its tensile strength
D. All a., b. & c.
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Maximum carbon content in cast iron is ______________ percent?
A. 3.8
B. 5.2
C. 4.8
D. 4.3
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Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with__________________?
A. Acidic refractory
B. Rubber
C. Karbate
D. Lead or acid-proof bricks
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______________ iron is produced, when molten pig iron is allowed to cool gradually?
A. White cast
B. Grey cast
C. Wrought
D. None of these
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Reduction in the grain size reduces the _______________ of the material?
A. Fatigue resistance
B. Tensile strength
C. Creep resistance
D. All a., b. & c.
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Ferric stainless steels compared to austenitic stainless steels________________?
A. Have lower corrosion resistance
B. Are harder to fabricate
C. Are less ductile and hence less suitable for cold pressing
D. All a., b. and c.
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