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Air is compressed in an isentropic process from an initial pressure and temperature of P 1 = 90 kPa and T1 = 22 oC to a final pressure of P2 = 900 kPa. Determine:
a.The final temperature of the air.
b. The work done per kg of air during the process.
Find the volume rate of ?ow in AB, the velocity in BC, the velocity in CD and the diameter of CE.
An ideal vapor-compression refrigeration cycle uses R-134a as the working fluid in an air-conditioning system. The refrigerant enters the compressor as a saturated vapor at 40 °F
An elevator descends from rest with an acceleration of 5 ft>s2 until it achieves a velocity of 15 ft>s. Determine the time required and the distance traveled.
a bank uses a certain form at a uniform rate of 60 pads per week during each of the 52 weeks per year it is in
Determine the reactions of simply supported beam to both a concentrated and uniform load. A beam with a span of 21 ft is simply supported at the left-hand end and fixed at the right-hand end.
A 0.453-Kg mass attached to a light spring elongates it by 7.87mm. Determine the natural frequency of the system.
the elastic modulus of diamond is measured by applying a force parallel to the body diagonal of the unit cell and
two slender rods of negligible weight are pin-connected at a and attached to the 18-lb block b and the 80-lb block c as
How the tensile stress and compressive stress result in the moment about neutral axis when the beam fails
A magnetic pickup is used to detect the shaft speed of a turbocharger. A standard hexagonal nut is used to excite the pickup. If the shaft is turning at 50,000 rpm, how many positive impulses will be counted per second?
a state runs a lottery in which 6 numbers are randomly selected from 40 without replacement. a player chooses 6 numbers
baseline validationdetermine the natural frequencies of the system. for the baseline system i get natural frequencies
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