List of top Material Science & Ceramic Technology Questions

The mean grain diameter corresponding to ASTM number of 0.5 is
A continuous and aligned glass fibre reinforced composite consists of 40 vol% of glass fibres having a modulus of elasticity 69 GPa and 60 vol% of a polyester resin that when hardened displays a modulus of elasticity 3.4 GPa. What is the modulus of elasticity in longitudinal direction?
The degree of freedom when ice, water, and water vapour co-exist in equilibrium is
In a cubic crystal, a plane makes intercepts \( 1,2,2 \) on the \( x, y, \) and \( z \) axes respectively. The Miller indices of that plane is
Which of the following structures has the highest density of packing?
The faces in a tetragon are
Which one of the following sets of constituents is expected in equilibrium cooling of a hyper-eutectoid steel from the austenitic state?
The armchair structure of a carbon nanotube is obtained when the nanotube axis is
Corrosion resistance of steel is increased by adding
What are the trade names of two most common aramid materials?
Specify the sequence correctly
Polyvinyl chloride is
The lattice constant of a BCC unit cell with an atomic radius of 1.24 Å is
Which of the following is known as the Griffith equation?
In N-Type semiconductor, the Fermi Level
Metallic bond is not characterized by
The unit of diffusional flux is
Which of the following is not made of calcium carbonate?
Which of the following heat treatment processes is used for softening hardened steel?
Zirconia is present in _________ crystal structure in the mineral baddeleyite.
Choose the correct statement
In comparison to lattice diffusion, the activation energy for diffusion along surfaces and grain boundaries is
_________ is used to calculate theoretical weight deposited on the electrode during electrolysis.
How many number of atoms are present in the unit cell of HCP structure?
The carbon content required in steels to produce scissors and knives is