List of practice Questions

Optical fibers rely primarily on:
Electron backscattered diffraction is a technique based on?
A polymer shows a glass transition temperature (Tg) of 100°C. If modified with nanofillers, Tg increases by 15%. What is the new Tg?
Thermodynamically stable defects are?
Enthalpy and temperature are?
In laminar boundary layer flow over a flat plate, wall shear stress:
How many number of Bravais lattices are there in the monoclinic crystal system?
Displacement thickness in boundary layer theory represents:
The Navier-Stokes equation is based on:
For the emission of characteristic X-rays from the K-shell of an element, the incident energy should be:
A material shows the following stress-strain data: Stress = 400 MPa at strain = 0.002. Find the modulus of elasticity.
Surface area per gram of the adsorbent is called?
Reynolds stresses arise due to:
In Joule's experiment, heat is converted into:
Inert gas used in Brunauer – Emmet – Teller (BET) surface area analysis for measuring low surface area values is:
An Ellingham diagram is used to:
In the case of nanostructures, the ratio of number of atoms on the surface to the number of atoms in the interior is ........
A quantum dot emits light at 600 nm. If the particle size is reduced, the emitted wavelength will:
The primary mode of heat transfer in solids is:
Grain size distribution in nano material is close to?
The number of dimensionless groups formed using Buckingham's \(\pi\)-theorem is:
On a Mohr’s circle, any point on the circle represents:
The equation which describes the relationship between grain size and the yield of polycrystalline metals is called as?
A method used to produce high quality semiconductor grade material?
Laminar flow is characterized by: