MCQ Questions Mechanical Engineering Materials

Take a look at these MCQ Questions Materials for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Mechanical Engineering Materials.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Mechanical Engineering Materials - Set - 3

Question 1:

Wrought iron is
(a) hard
(b) high in strength
(c) highly resistant to corrosion
(d) heat treated to change its properties

Check Answer

Correct Answer – (C)

Question 2 :

In nodular iron, graphite is in the form of
(a) cementite
(b) free carbon
(C) flakes
(d) spheroids

Check Answer

Correct Answer – (D)

Question 3 :

Cast iron is characterised by minimum of following %age of carbon
(a) 0.2%
(b) 0.8%
(c) 1.3%
(d) 2%

Check Answer

Correct Answer – (C)

Question 4 :

Pig iron is the name given to
(a) raw material for blast furnace
(b) product of blast furnace made by reduction of iron ore
(c) iron containing huge quantities of carbon
(d) iron in molten form in the ladles

Check Answer

Correct Answer – (B)

Question 5 :

The percentage of carbon in pig iron varies from
(a) 0.1 to 1.2%
(b) 1.5 to 2.5%
(c) 2.5 to 4%
(d) 4 to 4.5%

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering Materials

Question 6:

In malleable iron, carbon is present in the form of
(a) cementite
(b) free carbon
(c) flakes
(d) nodular aggregates of graphite.

Check Answer

Correct Answer – (D)

Question 7:

In grey cast iron, carbon is present in the form of
(a) cementite
(b) free carbon
(c) flakes
(d) spheroids

Check Answer

Correct Answer – (C)

Question 8:

The unique property of cast iron is its high
(a) malleability
(b) ductility
(c) surface finish
(d) damping characteristics

Check Answer

Correct Answer – (D)

Question 9:

The percentage of carbon in grey iron castings usually varies between
(a) 0.5 to 1%
(b) 1 – 2%
(c) 2.5 to 4.5%
(d) 5 – 7%

Check Answer

Correct Answer – (C)

Question 10:

For the allotropic forms of iron, the points of arrest are
(a) the points where no further change oc-curs
(b) constant for all metals
(c) the points where there is no further flow of metal
(d) the points of discontinuity

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering Materials

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