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n air compressor operates at steady state with air entering at p1= 1 bar, T1= 17 C and exiting at p2= 5 bar. The air undergoes a polytropic process for which the compressor work input is 162.2 kJ per kg of air flowing. Determine: a. The temperature of the air at the compressor exit. b. The heat transfer in kJ/kg of air flowing c. sketch the process on a p-v and T-s diagrams and indicate the work and heat transfers. i. Assume ideal gas and neglect kinetic and potential energies.
to what temperature would a constrained rod of aluminium with a diameter of 50 mm need to be heated if it is expected
a 1700 kg car starts from rest at position a and accelerates uniformly up the incline reaching a speed of 100 kmh at
Air at the rate of 18 kg/s is drawn into the compressor of a jet engine at 55 kPa and -23oC and is compressed reversibly and adiabatically to 276 kPa. Determine the required power input to the compressor expressed in horsepower.
two machines are used for filling glass bottles with a soft-drink beverage. the filling process have known standard
While jogging on the beach (it's a warm summer day, about 30 deg C) a high-speed jet flies overhead. You guesstimate it's an altitude of about 3500 m, and count off about 5 s before you hear it. Estimate the speed and Mach number of the jet.
calculate the resistance of a platinum wire that is 2 m in lenth and has a diameter of 0.1cm. the resistivity of
Determine the failure envelope and the non-failure region in the sigma_y - tau_xy plane using Tsai-Hill theory for the following cases
at the instant it passes through an altitude of 20000 ft above sea level what are the temperature pressure and density
The separator produces 43,150 scf/d of 0.724 gravity gas, and the stock tank vents 7240 scf/d of 1.333 gravity gas. What is the formation volume factor of the oil? What is the solution gas-oil ratio? Which of the previous answers applies only at t..
a circular coil having 19 turns and a radius of r 17.6cm carries a current of 3.80a. it is placed in a uniform
How the tensile stress and compressive stress result in the moment about neutral axis when the beam fails
steam enters the first-stage turbine shown in fig. 2 at 40 bar and 500degc with a volumetric flownbsprate of 90 m3min.
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