At the given inlet condition, a nozzle is said to be choked when mass flow rate is

The ratio of useful heat drop to the isentropic enthalpy drop is defined as

The velocity of fluid at stagnation point is

Unity Mach number is observed in this part of a converging-diverging nozzle, in the chocked condition

A steam nozzle converts heat energy of steam into

Steam is expanded in a set of nozzles from 4 bar 300 deg. Celcius to 2 bar. What is the type of nozzle? Consider the isentropic index k=1.3.

In a nozzle, friction ___________ the dryness fraction of steam at the exit

Steam is expanded in a set of nozzles from 5 bar 300 deg. Celcius to 2 bar. If initial velocity is neglected and isentropic expansion is assumed, then find the minimum area (sq.cm) of the nozzles to flow 1.5kg/s of steam. Consider the isentropic index k=1.3.

The throat and exit areas of a convergent-divergent nozzle are 1100 sq.mm and 1650 sq.mm respectively. Dry saturated steam at 5 bar enters the nozzle at a velocity of 80 m/s. The exit pressure is 1.5 bar. Estimate the mass flow rate in kg/s. Assume isentropic flow up to the throat and take critical pressure ratio to be 0.58.

The throat and exit areas of a convergent-divergent nozzle are 1100 sq.mm and 1650 sq.mm respectively. Dry saturated steam at 5 bar enters the nozzle at a velocity of 80 m/s. The exit pressure is 1.5 bar. Assume isentropic flow up to the throat and take critical pressure ratio to be 0.58. Estimate the nozzle efficiency

In which part of a converging-diverging nozzle will have unity Mach number in the chocked condition

A nozzle is said to be choked when

In a nozzle, friction ___________ the dryness fraction of steam at the exit

The condition of steam leaving a nozzle is_______ in comparison with inlet conditions

A duct through which velocity of a fluid increases at the expense of pressure is a

Air having a flow rate of 3.6 kg/s at 7 bar and 170 deg.Celcius expands through a convergent-divergent nozzle into a space at 1.03 bar. Calculate the throat area (sq.mm) of the nozzle. Assume isentropic flow and neglect inlet velocity

Air having a flow rate of 3.6 kg/s at 7 bar and 170 deg.Celcius expands through a convergent-divergent nozzle into a space at 1.03 bar. Calculate the exit area (sq.mm). Assume isentropic flow and neglect inlet velocity

The throat and exit areas of a convergent-divergent nozzle are 1280 sq.mm and 1600 sq.mm respectively. Dry saturated steam at 5 bar enters the nozzle at a velocity of 80 m/s. The exit pressure is 1.5 bar. Estimate the mass flow rate in kg/s. Assume isentropic flow up to the throat and take critical pressure ratio to be 0.58

The throat and exit areas of a convergent-divergent nozzle are 1280 sq.mm and 1600 sq.mm respectively. Dry saturated steam at 5 bar enters the nozzle at a velocity of 80 m/s. The exit pressure is 1.5 bar.Estimate the nozzle efficiency. Assume isentropic flow up to the throat and take critical pressure ratio to be 0.58

Nozzle efficiency is described as

The value of critical pressure ratio for superheated steam is

The maximum velocity attainable at the throat of a steam nozzle is

The effect of friction in the nozzle …………… dryness fraction of steam.

The kinetic energy lost in friction is transformed into heat which tends to

The critical pressure ratio of a convergent nozzle is defined as

The steam leaves the nozzle at a

The difference of supersaturated temperature and saturation temperature at that pressure

is known as

A nozzle is said to be choked when

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 flow through a nozzle is regarded as

Mass of steam discharged, will be