Question

explain with neat sketch, construction and working of impulse or De-level turbine

Answer 1

Construction of an impulse turbine

The impulse turbine makes possible movement of steam and for this there  is a rotor, a number of blades, bucket like structures etc. The main objective of all this is to allow the stream to pass eventually towards the bucket like structure through blades so that movement of steam can be done.

So it is quite helpful. The main use of energy in this case is that of electrical energy. So electrically energy in the form of electrical power is mainly used.