SSC JE Mechanical Engineering 25th May 2014 Shift-1
For the following questions answer them individually
Which one of the following safety device is used to protect the boiler when the water level falls below a minimum level :
The length of a pipe is 1000 m and its diameter is 20cm. if the diameter of an equivalent pipe is 40cm, then its length is:
A jet of water issues from nozzle with a velocity 20m/s on a flat plate moving away from it at 10m/s. The cross-sectional area of the jet is 0.01 m$$^2$$ and the density of water = 1000 kg/m$$^3$$. The force developed on the plate in newton’s is :
The total number instantaneous centers for a mechanism consisting of ‘n’ links are:
The figure shows four curves for velocity distribution across a section for Reynolds number equal to 1000, 3000, 4000, and 5000. Curve A corresponding to Reynolds number:
