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Calculate the throat and exit areas of a nook to expand air at the rate of 4.3 kg/s from 8.3 bar. 327 °C into a space at 1.13 bar. Neglect the inlet velocity and assume isentropic flow.
a rigid insulated container has two rooms seperated by a membrane. room a contains 1 kg air at 200 degrees celsius and
A fan that can provide air speeds up to 50 m/s is to be used in a low-speed wind tunnel with atmospheric air at 25°C. If one wishes to use the wind tunnel to study flat-plate boundary layer behaviour up to Reynolds numbers of Rex = 10^8 , what is the..
the wheel in fig. 10-27 has eight equally spaced spokes and a radius of 30 cm. it is mounted on a fixed axle and is
consider a 1-cm-diameter and 0.3-m-long copper rod kcopper 400 wm-k with its ends fixed to two parallel surfaces. the
H2O enters a well-insulated nozzle at 200 psia, 500 degrees F, with a velocity of 200 ft/s and exits at 60 psia, with a velocity of 1700 ft/s. for steady state operation determine the exit temperature
you are considering replacing the diesel engine for problem 4 with a microturbine with a pressure ratio of 8. the
when drilling a hole in a table leg a furniture maker uses a hand-operated drill with a bit of diameter d4.0mm.a. if
a cnc drill press is to perform a series of through-hole drilling operations on a 1.75 in thick aluminum plate. each
a man tried spinning a ball round and round in the air at the end of a unknown material its a rope like structure but
An alpha-emitter, has been used as a thermal power source, as described in Table 12.2. What is the energy recoverable as heat per decay in MeV? Provide two answers, one assuming all of the energy produced is dissipated as heat, and one assuming only ..
The Acme Company claims to have designed an adiabatic turbine that will produce 126.2 BTU per pound of steam. The operating conditions are labeled on the diagram below. Is this company's claim valid or is this a perpetual motion machine? Hint: Determ..
1 for the piping diameter changes and flow directions shown below if the velocity at the input is 5 ms the initial
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