List of top Mechanical Engineering Questions on Material Science

The number of atoms per unit cell and the number of slip system, respectively, for a face-centered cubic (FCC) crystal are
In order to increase the corrosion resistance of stainless steel, the following element is added
If the material has the tendency to fracture without any appreciable deformation is known as
The heat treatment process used to enrich the steel surface by addition of Nitrogen is known as
The area under the linear curve of stress-strain diagram with in the elastic limit is known as
Which one of the following metal has maximum value of yield strength?
A single stage impulse turbine with a diameter of 1.2 m runs at 3000 rpm. If the blade speed ratio is 0.42, the inlet velocity of steam will be (in $\text{ms}^{-1}$)
The number of atoms per unit cell and the number of slip system, respectively, for a face-centered cubic (FCC) crystal are
The heat treatment process used to enrich the steel surface by addition of Nitrogen is known as
The area under the linear curve of stress-strain diagram with in the elastic limit is known as
Which one of the following metal has maximum value of yield strength?
A single stage impulse turbine with a diameter of 1.2 m runs at 3000 rpm. If the blade speed ratio is 0.42, the inlet velocity of steam will be (in $\text{ms}^{-1}$)
In order to increase the corrosion resistance of stainless steel, the following element is added
If the material has the tendency to fracture without any appreciable deformation is known as
If the material has the tendency to fracture without any appreciable deformation is known as
The heat treatment process used to enrich the steel surface by addition of Nitrogen is known as
Which one of the following metal has maximum value of yield strength?
Based on Iron-Carbon diagram, when austenite decomposes during cooling process, an eutectoid mixture is formed. The nature of the element is
In order to increase the corrosion resistance of stainless steel, the following element is added
In a linearly hardening plastic material, the true stress beyond the initial yielding
The area under the linear curve of stress-strain diagram with in the elastic limit is known as
Which translatory joint in a robot configuration is known as a sliding joint?
Structural steel forms neck before it breaks. Neck formation starts
The ratio of is given as \( \frac{E{\lambda}_1 b_2}{E{\lambda}_1 b_1} \) is given as:
During tensile tests on mild steel specimens, the following points are observed:
(A) Elastic limit
(B) Proportionality limit
(C) Yield Point
(D) Fracture point
Choose the correct sequence of observation after the application of loading: