List of top Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

The polymer used as sound proofing in refrigerators and buildings is:
Which of the following is a peritectic reaction?
Razor blades are made of:
To produce malleable cast iron, the silicon content must be:
In refining process, ............ of a system works against the refiner.
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:
If the mean bond length increases with temperature in material, then the material exhibits:
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
In size classification of ore particles, which equipment is commonly used?
Which method is most suitable for extraction of aluminium from bauxite?
The main reducing agent in a blast furnace is:
Zinc is commonly extracted using:
In steelmaking, slag primarily functions to:
Ladle metallurgy involves:
Which element is commonly used for desulphurization in ladle metallurgy?
What is the primary cause of surface tension in a liquid?
Which of the following metals is most susceptible to stress corrosion cracking (SCC) in chloride environments?
Which of the following is a common method used for the concentration of sulfide ores?