List of top Nano Technology Questions

The hot working temperature of lead
Consider an adiabatic process in which a gas is compressed. Which of the following statements is strictly CORRECT regarding the energy transfer?
Removing a hole from a plate shifts centroid:
Ideal c/a ratio of HCP is
Which of the following is a natural polymer?
Which of the following crystal structure is ductile?
A surface with emissivity 0.8 and area $1\text{ m}^2$ is maintained at $500\text{ K}$ and is surrounded by air at $300\text{ K}$. Given Stefan–Boltzmann constant $\sigma = 5.67 \times 10^{-8}\text{ W/m}^2\text{K}^4$. What is the rate of radiative heat transfer?
A particle starts from rest and moves with a constant acceleration of $2\text{ m/s}^2$. What is the distance traveled by the particle in the $5^{\text{th}}$ second of its motion?
Water flows from pipe diameter $200\text{ mm}$ to $100\text{ mm}$. If velocity in larger pipe is $2\text{ m/s}$, find velocity in smaller pipe.
One of the following is not a strengthening mechanism:
Cross slip is observing
A rigid body rotates about a fixed axis under a constant moment (M). If the Mass Moment of Inertia (I) of the body is doubled while the moment remains the same, the angular acceleration ($\alpha$) will
A shaft is subjected to pure torsion. The state of stress at any point on the surface of the shaft, relative to the axis of the shaft, consists of
A composite material is composed of:
A particle under force $F = -kx$. Then Motion is
Hall-Petch equation predicts the relation between grain size and
Given the variables: velocity (V), density ($\rho$), viscosity ($\mu$), and characteristic length (L), how many dimensionless groups can be formed?
Zirconia ceramics exhibit:
Three forces 3 N, 4 N, and 5 N act at a point. For equilibrium, angle between 3 N and 4 N is
The packing sequence of atoms in FCC is
The Third Law of thermodynamics states that entropy at absolute zero is:
Which has highest magnetic susceptibility?
In a horizontal pipe, velocity doubles. Pressure gets
Ceramic materials are generally:
A solid circular shaft is subjected to bending moment and torsional moment. What is the nature of maximum principal stress at the outer surface?