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Engineering
Mechanical
ME Set-3
Engineering Materials
199

Engineering Materials MCQ with Answers

199) Which of the following elements does not impart hardness to steel

copper

chromium

nickel

silicon

Answer is:

copper

Engineering Materials MCQ with Answers

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Related Engineering Materials MCQ with Answers

200) The presence of sulphur in pig iron makes

it easily machinable

it brittle

it hard

the casting unsound

Answer is:

the casting unsound

201) Melting point of iron is

1539°C

1601°C

1489°C

1712°C

Answer is:

1539°C

202) Compressive strength of grey cast iron in tonnes/cm is of the order of

3-May

5-Jul

7-Oct

15-Oct

Answer is:

44017

Explanation:

Compressive strength of grey cast iron is 57 tonnes/cm

203) Blast furnace produces following by reduction of iron ore

cast iron

pig iron

wrought iron

malleable iron

Answer is:

pig iron

Blast furnace produces following by reduction of iron ore

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