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 - 2

Question 1:

The metallic structure of mild steel is
(a) body centred cubic
(b) face centred cubic
(c) hexagonal close packed
(d) cubic structure

Check Answer

Correct Answer – (A)

Question 2 :

The crystal structure of gamma iron is
(a) body centred cubic
(b) face centred cubic
(c) hexagonal close packed
(d) cubic structure

Check Answer

Correct Answer – (B)

Question 3 :

A reversible change in the atomic structure of steel with corresponding change in the properties is known as
(a) molecular change
(b) physical change
(c) allotropic change
(d) solidus change

Check Answer

Correct Answer – (C)

Question 4 :

Ferromagnetic alpha iron exists in temperature range of
(a) below 723°C
(b) 770 – 910°C
(c) 910-1440°C
(d) 1400-1539°C

Check Answer

Correct Answer – (A)

Question 5 :

The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is
(a) 770°C
(b) 910°C
(c) 1050°C
(d) below recrystallisation temperature

Check Answer

Correct Answer – (A)

MCQ Questions Mechanical Engineering Materials

Question 6:

The crystal of alpha iron is
(a) body centered cubic
(b) face centered cubic
(c) hexagonal close packed
(d) cubic structure

Check Answer

Correct Answer – (A)

Question 7:

The molecules in a solid move
(a) in a random manner
(b) in a haphazard way
(c) in circular motion
(d) back and forth like tiny pendulums

Check Answer

Correct Answer – (D)

Question 8:

Paramagnetic alpha iron changes to gamma iron at
(a) 770°C
(b) 910°C
(c) 1440°C
(d) 1539°C

Check Answer

Correct Answer – (B)

Question 9:

Gamma iron exits at following temperature
(a) room temperature
(b) near melting point
(c) between 1400°C and 1539°C
(d) between 910°C and 1400°C

Check Answer

Correct Answer – (D)

Question 10:

Pure iron is the structure of
(a) ferrite
(b) pearlite
(c) anstenite
(d) ferrite and cementite

Check Answer

Correct Answer – (A)

MCQ Questions Mechanical Engineering Materials

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