Related Questions

When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be
The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is
The ratio of exit pressure to inlet pressure for maximum mass flow rate per unit area of steam through a nozzle when steam is initially dry saturated is
When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle.
The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade.
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)
The velocity of steam at throat of the nozzle is __________ the velocity of sound.
The effect of friction in the nozzle __________ dryness fraction of steam.
If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity