List of top Metallurgical Engineering Questions on Metallurgy asked in AP PGECET

In rolling, the term "frictional shear stress" is used to describe which of the following?
Critical resolved shear stress is zero when slip plane is ........... degree to loading axis.
The coefficient of friction increases by 5 times when a slab is hot rolled in a specific mill. The maximum possible reduction:
Addition of Pb in Brass improves:
According to Griffith's theory, the critical condition for crack propagation in a brittle material is when the energy release rate \( G \) equals:
In which crystal structure is dislocation motion most difficult due to limited slip systems?
The structure of a polymer depends on:
The incubation period at nose temperature region of TTT diagram of eutectoid steel is shorter than below and above nose regions. This is due to:
Pearlitic content of normalized steel is slightly higher than slowly cooled steel, because:
Spheroidal grey cast iron (SG Iron) will be produced by:
The (\(\alpha + \beta\)) Ti alloys are solution treated in the:
Which of the following elements/compound has high bonding energy?
An example of long chain polymer which exhibit unique rubbery behaviour is:
The polymer used as sound proofing in refrigerators and buildings is:
Which of the following is a peritectic reaction?
To produce malleable cast iron, the silicon content must be:
Forsterite is a mineral of:
The Rhombohedral crystal structure has (where a, b, c are lattice parameters and \(\alpha, \beta, \gamma\) are their angles):
The relationship between spread out film (S) and the radius of the powder camera (R) in Debye-Scherrer powder diffraction is (where \(\theta\) is the angle):
In X-ray diffraction analysis, the condition for BCC crystal where the reflections are allowed is (where h, k, l are Miller indices):
An example of Secondary bond is:
Which of the following processes is used for the extraction of copper from low-grade ores?
Which of the following conditions favour dephosphorization in steel making?
High top pressure in the blast furnace:
If the contact angle between a mineral and water is $0^\circ$, the mineral will