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Refrigerant-134a enters an adiabatic compressor as saturated vapor at -24 degrees Celsius and leaves at 0.8 Mpa and 60 degrees Celsius. The mass flow rate of the refrigerant is 1.2 kg/s. Determine (a) the power input to the compressor and (b) the volume flow rate of the refrigerant at the compressor inlet.
1. a 2-d system consists of two sinkssources one is located at the origin and the other is located at the point 40.
water vapor is heated in a closed rigid tank from saturated vapor at 160degc to a final temperature of 400degc.
a rigid container is divided into two compartments of equal volume by a partition. one compartment contains 1 mole of
A 12 kN force is exerted on a rocker arm. The moment of inertia (I) of the crosssection with respect to the neutral-axis is 43.3x10-9 m4.
the effort required to maintain a scanning electron microscope is known to increase by a fixed percentage each year. a
a round compression member with both ends pinned and made of aisi cold-drawn steel sy441 mpa e207 gpa is to be used in
consider the interface between atmospheric air and a body of water both at 17 degc.a. what are the mole and mass
It is necessary to design a square-section composite bar that will withstand an applied load without deflecting more than a specified amount.The design specification for the bar, including its dimensions and loading criteria, is given below.
A vessel, divided into two parts by a partition, contains 6 mol of N2 gas at 65oC and 30 bar at one side of the partition and 5 mol of Ar at 140oC and 20 bar on the other. If the partition is removed and the gases mix adiabatically and completely, wh..
a converging-diverging nozzle has a design mach number of 2.0 . the stagnation pressure at the nozzle inlet is 100
A Boeing 747 is flying at M = 0.7 at an altitude where the temperature is 223.15 K. The density is 0.41268 kg/m3, and the pressure is 26429.7 Pa. The pressure coefficient on a point of the wing is -2. a) Calculate V0. b) Calculate the pressure (in Pa..
a steam turbine receives steam at 110 fts velocity and 1525 btuibm enthalpy. the steam leaves at 810 fts and 1300
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