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 - 4

Question 1:

An important property of high silicon (12 – 18%) cast iron is the high
(a) tenacity
(b) brittleness
(c) plasticity
(d) hardness.

Check Answer

Correct Answer – (D)

Question 2 :

White cast iron contains carbon in the form of
(a) free carbon
(b) graphite
(c) cementite
(d) white carbon

Check Answer

Correct Answer – (C)

Question 3 :

Chilled cast iron has
(a) no graphite
(b) a very high percentage of graphite
(c) a low percentage of graphite
(d) graphite as its basic constituent of composition

Check Answer

Correct Answer – (A)

Question 4 :

Iron is
(a) paramagnetic
(b) ferromagnetic
(c) ferroelectric
(d) dielectric

Check Answer

Correct Answer – (A)

Question 5 :

Sulphur in pig iron tends to make it
(a) hard’
(b) soft
(c) ductile
(d) tough

Check Answer

Correct Answer – (B)

MCQ Questions Mechanical Engineering Materials

Question 6:

In mottled cast iron, carbon is available in
(a) free form
(b) combined form
(c) nodular form
(d) partly in free and partly in combined state.

Check Answer

Correct Answer – (D)

Question 7:

Cast iron has
(a) high tensile strength
(b) its elastic limit close to the ultimate breaking strength
(c) high ductility
(d) all of the above

Check Answer

Correct Answer – (B)

Question 8:

A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as
(a) allotropic change
(b) recrystallisation
(c) heat treatment
(d) precipitation

Check Answer

Correct Answer – (A)

Question 9:

Pick up wrong statement about wrought iron
(a) It contains carbon of the order of 0 to 0.25%
(b) It melts at 1535°C
(c) It is very soft and ductile
(d) It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling.

Check Answer

Correct Answer – (D)

Question 10:

Which one of the following metals would work-harden more quickly than the others?

(A) Copper
(B) Brass
(C) Lead
(D) Silver

Check Answer

Correct Answer – (B)

MCQ Questions Mechanical Engineering Materials

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