MCQ Questions Mechanical Engineering Materials

Mechanical Engineering Materials-1

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 - 1

Question 1: 

The following types of materials are usually the most ductile
(a) face-centred cubic lattice
(b) body-centred cubic lattice
(c) hexagonal close-packed lattice
(d) all of the above

Correct Answer – (A)

Question 2 : 

Which of the following constituents of steels is softest and least strong
(a) austenite
(b) pearlite
(c) ferrite
(d) cementlte

Correct Answer – (C)

Question 3 : 

A material is known as allotropic or polymorphic if it
(a) has a fixed structure under all conditions
(b) exists in several crystal forms at different temperatures
(c) responds to heat treatment
(d) has its atoms distributed in a random pattern

Correct Answer – (B)

Question 4 : 

Points of arrest for iron correspond to
(a) stages at which allotropic forms change
(b) stages at which further heating does not increase temperature for some time
(c) stages at which properties do not change with increase in temperature
(d) there is nothing like points of arrest

Correct Answer – (A)

Question 5 : 

Isotropic materials are those which have the same
(a) elastic properties in all directions
(b) stresses induced in all directions
(c) thermal properties in all directions
(d) electric and magnetic properties in all directions

Correct Answer – (A)

MCQ Questions Mechanical Engineering Materials

Question 6: 

Which of the following represents the allotropic forms of iron
(a) alpha iron, beta iron and gamma iron
(b) alpha iron and beta iron
(c) body centred cubic a-iron and face centred cubic a-iron
(d) alpha iron, gamma from and delta iron

Correct Answer – (D)

Question 7: 

Super conduction by metals is observed in the temperature range of
(a) below 10°K
(b) above 100°K
(c) around 0°C
(d) around 100°C

Correct Answer – (A)

Question 8: 

Delta iron occurs at temperature of
(a) room temperature
(b) above melting point
(c) between 1400°C and 1539°C
(c) between 910°C and 1400°C

Correct Answer – (C)

Question 9: 

Recrystallization temperature is one
(a) at which crystals first start forming from molten metal when it is cooled
(b) at which new spherical crystals first begin to form from the old deformed one when a strained metal is heated
(c) at which change of allotropic form takes place
(d) at which crystals grow bigger in size

Correct Answer – (B)

Question 10: 

The elastic stress strain behaviour of rubber is
(a) linear
(b) non-linear
(c) plastic
(d) no fixed relationship

Correct Answer – (B)

MCQ Questions Mechanical Engineering Materials
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