Which of the following statement about metastable expansion of steam through a steam nozzle is FALSE?

It increases the discharge through the nozzle

Steam is undercooled to a temperature less than that corresponding to its pressure

Exit velocity of the steam is increased

Which of the following statement about metastable expansion of steam t

1.	Which of the following statement about metastable expansion of steam through a steam nozzle is FALSE?
A.	It increases the discharge through the nozzle
B.	Steam is undercooled to a temperature less than that corresponding to its pressure
C.	Density of steam is increased
D.	Exit velocity of the steam is increased
Answer» E.

Discussion

No Comment Found

Related MCQs

Determine the exit pressure of steam if the steam enters a nozzle at 11 bar and 300 C. At the outlet it is observed that the specific volume of the steam is 0.86804 m3/kg. The expansion of steam is metastable.
Which of the following is NOT an effect of supersaturation in steam flowing through a convergent-divergent nozzle?
The point on the h-s diagram at which the condensation beings and normal conditions of thermal equilibrium are restored is said to be on _____
Which of the following statement about metastable expansion of steam through a steam nozzle is FALSE?
What is the value of index of expansion for supersaturated steam. (Pvn=C, n is the index of expansion)
Steam at 15 bar pressure and 250 C enters a convergent-divergent steam nozzle and leaves at 4 bar. The mass flow rate is 5 kg/s. Calculate the exit area of the nozzle if the expansion is metastable.
Calculate the degree of supersaturation if steam at 10 bar 250 C is discharged at 2 bar by a convergent-divergent nozzle. Consider metastable steam expansion and negligible inlet velocity.
Steam at 20 bar and 300 C enters a convergent-divergent steam nozzle and is discharged at 3 bar. Considering the effects of supersaturation calculate the degree of undercooling.
Steam at 12 bar and 300 C enters a convergent-divergent steam nozzle and leaves at 3 bar. If the expansion of the steam is metastable, calculate the supercooled temperature.
Which of the following is the correct formula for calculating the supercooled temperature of steam, when steam metastable expansion of steam takes place inside a steam nozzle. (T2 Supercooled temperature, T1 Inlet temperature of steam)

Which of the following statement about metastable expansion of steam through a steam nozzle is FALSE?

Discussion

No Comment Found

Related MCQs

Reply to Comment