SSC JE 2019 - 20 Technical Quiz 59

If the velocity vector in a two-dimensional flow field is given by 2xy i+ (3y³-x²)j, then the vorticity vector curl will be______.

Which of the following is an application of fins in heat transfer?

Supersonic diffuser has following geometry _______.

For an object of spherical shape, the value of critical radius would be _______.

What is the velocity ratio for a slip in the belt drive system?

For a material, the Youngs Modulus is 180GPa and poisson’s ratio is 0.22. What is the modulus of rigidity of that material?

Preheating is essential in welding _________.

The number of links in a planar mechanism with revolute joints having 10 instantaneous centres is ________.

Which is correct for reheater in steam power plant _______.