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Air expands through a nozzle and exits supersonically. The throat area is 10 cm2, and the throat pressure is 100 kPa. Find the pressure on either side of the throat where the duct area is 24 cm2
a pressure vessel having a volume of 30 ft3 contains saturated steam at 500 f. the vessel initially contains 50 vapor
in an effort to increase thrust it is decided that an aft-fan should be added to this engine. the aft-fan creates a
the wall of a cold storage consists of three layers- an outer layer of ordinary bricks 25 cm thick a middle layer of
a hollow steel shaft 6 ft long has an outer diameter of 2.5 in. and an inner diameter of 1.5 in. the shaft is
A Pitot-static probe connected to a water manometer is used to measure the velocity of air. If the de?ection (thevertical distance between the ?uid levels in the two arms) is 7.3 cm, determine the air velocity. Take the density of air to be 1.25 k..
Air enters a nozzle at 240 kpa and 400 k with a velocity of 10m/s. it exits at 100kpa. the nozzle adiabatic efficiency is 90%. Delta PE=0, s.s.s.f, uniform velocity at exit and entrance.
An orifice meter is to be calibrated for the measurement of the flow rate of a stream of liquid acetone. The differential manometer fluid has a specific gravity of 1.10. The calibration is accomplished by connecting the orifice meter in series with a..
a parachute was used during part of the landing sequence to deposit the spirit rover on the martian surface. the
Peter works a 12 hour day. 6 hours are no incentive and the rate is $20 per hour. He also completes 16 tasks that are incentive based and the rate is $15 per hour. How much does Peter make in his 12 hour shift and what is his combined hourly wage?
heat is generated in a 2 mm diameter electric resistance wire k 10 wm-k uniformly at a rate of 5 kwm of length of
consider an air-standard gas turbine cycle with a regenerator heat exchanger. the operating compression ratio oand a
a moving particle encounters an external electric field that decreases its kinetic energy from 8830 ev to 7750 ev as
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