List of top Metallurgical Engineering Questions on Mechanical Metallurgy

In impact testing, Charpy specimen has a ________ cross section.
Intergranular fracture occurs mostly ________
Which of the following term refer to the ability of a material to resist elastic deformation
The limiting stress below which the material can be subjected to an infinite number of cycle without failure is called
The creep rate decreases in ________ stage of creep
Units of Brinell hardness Number is
The true strain ($\epsilon$) and engineering strain (e) are related by
An engineer needs a material for springs with minimal permanent deformation under load. Which property - alloy combination best satisfies this requirement?
The creep mechanism observed at very low stresses with stress exponent $n=1$ is given by
Fatigue data are commonly presented using
The two statistical methods used for making a statistical estimate of the fatigue limit are
In Andrade's analysis of creep, the two components that together form the creep curve are
In Dynamic hardness testing, the hardness is measured by
The correct statement for a cold-worked material is
Consider the following Assertion (A): The shape and magnitude of the stress-strain curve of a metal depend on its composition, heat treatment, prior plastic deformation, strain rate, temperature and state of stress during testing. Reason (R): Tensile strength and yield strength are strength parameters, whereas percent elongation and reduction of area are measures of ductility.
The fundamental assumption behind Barba's law in tensile testing is that
The stress at which the stress-strain curve deviates from linearity is:
The basis on which the Von Mises criterion is preferred compared to maximum shear stress criterion theoretically is:
Match the following:
Beach marks are observed in
Pre-cracked specimens are used in the Instrumented Charpy test to measure its
The imperfections responsible for slip are
The CRSS for a single crystal is maximum when
Work hardening is also called
The fracture occurred during the crack propagation along the grain boundaries is called