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A reversible engine ‘A' absorbs energy from a reservoir at temperature 1 T and rejectsenergy to a reservoir at temperature 2 T . A second engine ‘B' absorbs the same amountof energy as rejected by engine ‘A', from the same reservoir at temperature 2 T andrejects energy to a reservoir at temperature 3 T . What will be the relation between1 2 3 T , T and T if
(i) the efficiencies of both the engines ‘A' and ‘B' are the same and
(ii)the work delivered by both the engines is the same?
all makers of beverages such as breweries wineries and soda makers must wash bottles before filling. a new beverage
Air is compressed from 100 kPa and 20C to 700 kPa in an adiabatic compressor with an isentropic efficiency of 90%. Assuming that the mass flow rate is 0.1 kg/s determine the power input to this compressor, in kW, and the rate of entropy generated. Us..
a pison-cylinder contains 0.8 kg of steam of 300oc and 1 mpa. the steam is cooled at constant pressure until one-half
a pump supplies oil at 20 gpm to a 2 in diameter double-acting hydraulic cylinder. if the load is 1000lbsextending and
what power would be expected to operate the prototype pump?
the compression stages in the axial compressor of the industrial gas turbine are close coupled making intercooling very
a specimen of a 4340 steel alloy having a plane strain fracture toughness of 45 mpa m is exposed to a stress of 1000
Three aluminium cylindrical pressure vessels thicknesses 14 mm and radius 840 mm. They are periodically filled and emptied to an interal pressure of 2MPa. Cracks can grow through the wall driven by cycle of stress on pressurisation.
a mixture of methanol and methyl acetate contains 15.0wt methanol. using a single dimensional equation determine the
we have a process air stream that is 30 mole dichloromethane and 70 air at 80 of. the inlet flow rate of the gas stream
Calculate the specific heat at constant pressure (cp) and the specific heat and constant volume (cv) for air (jama = 1.4 ). The gas constant is given as R= 8.31446 J/molK.
atmospheric air at 98 kpa and 30degc flows into an air conditioning system with a volume flow rate of 2 m3min. to
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