Materials & Construction Mcqs for Chemical


Q.  Presence of manganese in alloy steel improves its___________________?

a. Corrosion resistance
b. Cutting ability
c. Abrasion resistance & toughness
d. Elasticity & creep resistance


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?
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MCQs:  The hardest material just prior to diamond in Mhos scale is_________________?
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MCQs:  Carbon is present in the combined form (carbide) in case of______________________?
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MCQs:  Polymorphism is not exhibited by______________________?
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MCQs:  Gun metal is an alloy of_________________________?
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MCQs:  Metalloid is_______________________?
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MCQs:  Tin coating on metals is not done by_____________________?
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MCQs:  _____________ iron is produced, when molten pig iron is chilled suddenly?
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MCQs:  Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is _____________ percent?
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MCQs:  Which of the following is the most prone to atmospheric corrosion ?
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MCQs:  Which of the following is the hardest material ?
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MCQs:  Cast iron compared to steel is better in__________________?
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MCQs:  _____________ moulding process cannot be used for thermoplastic plastics?
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MCQs:  Which of the following metals in not used for coating of the base metal to guard it against corrosion ?
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MCQs:  Cast iron detachable joint is used in __________ pipes.
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MCQs:  Presence of even very minute amount (say 0.1%) of ______________ in copper, reduces its electrical conductivity very seriously?
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MCQs:  Muntz metal is a/an alloys of____________________?
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MCQs:  Hastelloy comprises of____________________?
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MCQs:  Carbon content in steel is ___________________ percent?
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MCQs:  Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70% ?
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