In a power plant, water (density $$ = 1000\,\,kg/{m^3}$$ ) is pumped from $$80$$ $$kPa$$ to $$3$$ $$MPa$$. The pump has an isentropic efficiency of $$0.85.$$ Assuming that the temperature of the water remains the same, the specific work (in $$kJ/kg$$) supplied to the pump is

Considering the variation of static pressure and absolute velocity in an impulse stream turbine, across one row of moving blades

In a Rankine cycle, regeneration results in higher efficiency because

The Rateau turbine belongs to the category of