Working and construction of torque convertor

Question

Answer the following questions in detail.

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

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

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

Question 4) Explain the purpose of Surge tank?

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

(i) Reciprocating Pumps

(ii) Centrifugal Pumps

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

Question 7) Explain Thoma cavitation factor and for what it is used?

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

Question 9) Write down the difference between fluid coupling and torque convertor?

Question 10) Write down the losses which are taking place in the hydro power plants?

Question 11) What do you mean by cavitation ? Write down its effects and explain different methods of avoiding cavitation.

Question 12) What do you mean by NPSH and explain its importance?

Question 13) Write down advantages of differential accumulator over simple accumulator ?

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

Question 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.