A Curtis stage, Rateau stage and a $$50$$% reaction stage in a steam turbine are examples of

Which among the following is the boiler mounting?

In adiabatic flow with friction, the stagnation temperature along a streamline ____________ (increase / remains constant)

Consider a Rankine cycle with superheat. If the maximum pressure in the cycle is increased without changing the maximum temperature and the minimum pressure, the dryness fraction of stream after the isentropic expansion will increase / decrease _____________