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An aircraft cooling system bleeds air from the engine compressor at 300 kPa and 200 C at the rate 0.09 kg/s. The air is cooled in a heat exchanger and then expanded through a turbine before being supplied to the aircraft cockpit at 60 kPa and 4C. Neglect friction and neglect changes in kinetic energy to find (a) the heat transfer in the heat exchanger (kW) (b) the power output of the turbine (kW). Please explain thought process and tables used.
under a stress of 1105 mpa a sample of ag has a modulus of elasticity of 580 gpa. assuming the center-to-center
a vapor initially at 50 psia and 100 f state 1 is contained within a piston- cylinder device. the refrigerant is cooled
the 10 pounds weight is supported by the cord AC and roller and by a spring.if the spring has unstreched lenngth of 8 inches and the weight in equilibrium when d=a inches.determine the stiffness K of the spring?
Determine the amount of steam produced per hour, if the total heat loss is 10% of the heat available for steam raising - What would be the new heat transfer area if the fluids were in parallel flow
a thin 30 cm x 30 cm flat plate is pulled at 3 ms horizontally through a 3.6 mm think oil layer sandwiched between two
air is compressed in a variable-load piston-cylinder device equipped with a paddle wheel. initially air is at 500kpa
calculate the minimum heating and cooling requirements identify the pinch temperature and construct a temperature
a full revolution press has 100 rpm flywheel rotation.it has two handed trip devices mounted 20 inches from point of operation how many engagement points on the flywheel would be nessary to make this machine safe?
Find flow rate A siphon made of a 1 in-inside-diameter pipe is used to maintain a constant level in a 20 ft-deep tank
Product and Engineering Design Review
A hydraulic cylinder is 100mm diameter and is fed by a pipe 15mm in diameter. If the piston in the cylinder moves forward at a rate of 0.2ms^1
an insulated cylinder of fixed volume of 4 meter cube contains 20 kg of nitrogen. paddle work is done on the gas by
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