Engineering Materials Mcqs


Q.  Chromium in steel_________________?

a. improves wear resistance, cutting ability and toughness
b. refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
c. improves cutting ability and reduces hardenability
d. gives ductility, toughness, tensile strength and anticorrosion properties
e. makes steel hard


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MCQs:  The most effective inhibitor of grain growth, when added in small quantities is__________________?
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MCQs:  ‘Killed steels’ are those steels__________________?
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MCQs:  Carbon steel is_______________?
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MCQs:  An important property of malleable cast iron in comparison to grey cast iron is the high___________________?
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MCQs:  In mottled cast iron, carbon is available in__________________?
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MCQs:  Cast iron has_________________?
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MCQs:  A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as_________________?
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MCQs:  Pick up wrong statement about wrought iron ?
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MCQs:  Wrought iron is________________?
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MCQs:  In nodular iron, graphite is in the form of_____________________?
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MCQs:  Pig iron is the name given to________________?
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MCQs:  The percentage of carbon in pig iron varies from___________________?
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MCQs:  The metallic structure of mild steel is_________________?
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MCQs:  The crystal structure of gamma iron is_________________?
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MCQs:  Paramagnetic alpha iron changes to gamma iron at_______________?
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MCQs:  The molecules in a solid move______________?
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MCQs:  Cast iron is characterised by minimum of following %age of carbon_________________?
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MCQs:  Pure iron is the structure of_______________?
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MCQs:  Gamma iron exits at following temperature___________________?
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MCQs:  Which of the following represents the allotropic forms of iron__________________?
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