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Engineering Materials MCQs

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Practice free Engineering Materials multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 353 questions — no login required.

Question 28hard

Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

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Question 29easy

Wrought iron is

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Question 30easy

Which of the following alloys does not have copper as one of the constituents?

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Question 31hard

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

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Question 32hard

In compression, a prism of brittle material will break

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Question 33medium

Hardness of lower bainite (tempered martensite) is about

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Question 34medium

The compressive strength of cast iron is __________ that of its tensile strength.