List of top Nano Technology Questions

Euler's equation is used to describe the motion of fluids under the influence of what forces?
Bernoulli's equation is applicable under which of the following conditions?
What is the primary feature of Couette flow?
The Buckingham \(\pi\) theorem is used for which purpose in fluid mechanics?
Which type of heat transfer is primarily utilized in furnaces for metallurgical processes?
What characterizes a turbulent flow compared to a laminar flow?
Which type of flow has no rotation of fluid elements about their center of mass?
A beam is supported at two points with a uniform load across its length. The type of bending moment diagram this beam will have is
A circular shaft subjected to torsion experiences a shear stress \(\tau\). If the radius of the shaft doubles, the shear stress will
In a 2D stress system on an element, if the normal stresses on the x and y axes are \(\sigma_x\) and \(\sigma_y\), and the shear stress is \(\tau\) (\(\tau_{xy}\)), the normal stress on a plane inclined at 45\(^\circ\) to these axes is:
Why the inertia torque acts in the opposite direction to the accelerating couple?
A particle moves with constant acceleration of 2 m/s\(^2\) starting from rest. Its velocity after 3 seconds is
Torsion in circular shafts is analyzed to determine
Principal stresses occur where the shear stress is
For a thin plate shaped like a quarter circle, the polar moment of inertia at the center of the circle is given by
The moment of inertia of a rectangle with base b and height h about an axis through its centroid parallel to the base is
If three forces acting in equilibrium at a point are 3 N, 4 N, and 5 N, the angle between the 3 N and 4 N forces is closest to:
The centroid of a rectangle of height h and width w is located at
A mass undergoes simple harmonic motion (SHM) with an amplitude of 10 cm. Its maximum acceleration is 5 m/s\(^2\). The angular frequency \(\omega\) of the mass is
Impulse can be defined as
Which type of motion does a rigid body undergo about a fixed axis?
Mohr's Circle is used to
The concept of mass moment of inertia is significant in the analysis of
The bending moment diagram represents
Which of the following is not a type of support in structural analysis?