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An ideal duct carries water (incompressible fluid) from a height of 10m to 20m. The pressures at the entry and exit points are at 1000 Pa and 2000 Pa respectively. Calculate exit velocity if the velocity at entry is 10 m/s.
One lb of air undergoes a power cycle consisting of the following processes: Process 1-2: Constant volume from p1=20 lbf/in2, T1=500 oR to T2=820 oR Process 2-3: Adiabatic Expansion to v3=1.4 v2 Process 3-1: constant pressure compression Sketch the c..
can the flow field given by v 1x2 i - 2 x 1y j represents a steady and incompressible two dimensional flow?a if yes
A rigid wall, insulated container is divided into two regions by a removable wall. One region contains 0.1 lbm of CO at 100F, while the other region contains 0.2 lbm of CO at 150?F. A stirrer is inserted into the container and when the wall between t..
Model a cup of coffee as a closed system containing 1 lbm of pure water at constant pressure of 14.7 psia. Using your knowledge of the 2nd Law, prove that it would be impossible for coffee at room temperature of 70 °F to heat up to 120 °F by receivin..
what is the specific heat of air in US customary units given that its value in SI units is approximately 1 kN.m/kg.K?
one of your classmates claims to have invented a flow device to increase the superheat of steam. his claim is that he
A jet plane cruises at a speed of 980 km/hr. air enters the turbojet engines at 0.73 bar, 230 k. the pressure ratio across the compressor is 10 and the turbine inlet temperature is 1650 k.
it is desired to compare the results of property predictions for water near or in the saturation region using a the
determine the magnitude of the initial velocity of the bullet and the magnitude of the force exerted by the bullet on the block.
estimate the temperature at which the top land very top of the piston would be touching the liner that is kept at a
A gear blank has been successfully hot forged on a mechanical press in a closed die. At the beginning of a new production run
Reheat is added to an ideal Rankine steam power cycle to improve it’s efficiency and turbine exit quality. Steam enters the HP turbine at 15 MPa and 600C. Steam exits the HP turbine at 4 MPa and enters the boiler for reheat. Then the steam enters the..
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