Answer the following problems in detail.

problem 1)  Create the inlet velocity triangle for Pelton wheel.

problem 2) What do you mean by degree of reaction.

problem 3) How is number of buckets decided in a Pelton turbine?

problem 4) describe the purpose of Surge tank?

problem 5) Do you keep delivery value open or closed in case of:

(i) Reciprocating Pumps

(ii) Centrifugal Pumps

problem 6) Describe specific speed of pump and what are its units?

problem 7) describe Thoma cavitation factor and for what it is used?

problem 8) Which pump is used as the feed pump in the high pressure boiler?

problem 9) prepare down the difference between fluid coupling and torque convertor?

problem 10) prepare down the losses which are taking place in the hydro power plants?

problem 11) What do you mean by cavitation ? prepare down its effects and describe different methods of avoiding cavitation.

problem 12) What do you mean by NPSH and describe its importance?

problem 13) prepare down advantages of differential accumulator over simple accumulator ?

problem 14) Describe the working and construction of torque convertor in detail.

problem 15) The diameter of fixed ram and fixed cylinder of the intensifier are 10 and 25 cm respectively. If pressure of water supplied to fixed cylinder is 30 bar, determine the pressure of water flowing through fixed ram.