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A compressor used in a gas turbine engine increases the pressure of 3000 lbm/min of air from 15 psia to 150 psia without changing the kinetic or potential energy of the air. if the enthalpy of entering air is 118 btu/lbm and that of the compressed air is 230 btu/lbm, determine the power required in horsepower to drive the compressor if it is assumed to be reversible and adiabatic.
an initially empty canister of volume 0.2 m3 is filled with co2 from a line at 800 kpa 400 k. assume the process runs
advanced stress analysisin all but a very few vehicles today crush or crumple zones are employed as a method to reduce
A CO2 laser provides a constant surface heat flux, qs|| =200W/m2 to the surface of a 1m-thick plywood wall, initially at 300K - the other wall surface is adiabatic. What is the temperature on the heated surface of the wall after 100s? Check the Fouri..
The mean inside diameter of a sample of 100 washers manufactured by a machine is 0.252 m, and the standard deviation is 0.003 m. The application for the washers permits a tolerance in the diameter of 0.246 m to 0.258 m. If the diameter is outside thi..
air at 10 degc db and 5 degc wb is mixed with air at 25 degc db and 18 degc wb in a steady-flow process at standard
consider a thermal insulated closed rigid tank which is divided into two parts a and b by a partition. initially part a
Two tanks are connected by a valve. One tank contains 2kg of carbon monoxide gas at 77oC and 0.7 bar. The other tank holds 8 kg of the same gas at 27oC and 1.2 bar. The valve is opened and the gases are allowed to mix while receiving energy by heat t..
a bottle containing 10 kg of water at an initial temperature of 35 degrees celsius is stored in a refrigerator whose
a water pump is attached to an electric motor. the inlet and outlet diameters of the pump are the same. the volume flow
a constant-thickness plate specimen of width w and thickness t containing a crack has a compliance c given byc a1 a2
the acceleration of the particle is defined by the relation a 25-3x2 where a is expressed in msec2 and x in meters. the
A composite wall consists of a 1 mm-thick stainless steel plate (AISI 316), 2 cm of plywood, and 2 cm of low-density particle board. The stainless steel surface is maintained at 380 K while the other side loses heat to ambient air at 300 K, with conv..
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