Answer the following questions in detail.
Question 1) What is rate of change of moment of momentum and Write down its units?
Question 2) In case of Pelton turbine why water is deflected through about 165° and not 180°?
Question 3) What do you mean by unit speed and unit power.
Question 4) Expalin max. permissible vacuum during suction stroke of a reciprocating pump?
Question 5) How can you determine whether courtation will occur or not in Francis turbine?
Question 6) If a turbine discharges radially, which velocity becomes zero?
Question 7) Draw a well labelled sketch of a intensifier.
Question 8) Write down the advantages of multistage pumps?
Question 9) Why blades of Kaplan turbine are twisted?
Question 10) Explain hydraulic η of a turbine in detail.
Question 11) Write a detailed notes on the followings:
(a) Cavitation in the hydraulic turbines.
(b) Shape of buckets of a Pelton turbines.
Question 12) Describe the construction and operation of a differential accumulator by means of a well labelled diagram.