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A weighted piston maintains the pressure of a piston cylinder at 200 psia. Initially the system contains no mass. A valve connected to the piston cylinder is now opened allowing steam from a supply line to flow into the cylinder until the cylinder volume is 10 ft^3. The process is adiabatic and the steam in the supply line remains constant at 300 psia and 450 deg F. Determine the total work produced as the piston cylinder is filled. Requires an iterative solution to fix the final state.
An engine block with a surface area measured to be 0.90m2 generates a power output of 55 kW with a net engine efficiency of 35%. The engine block operates inside a compartment at 157oC and the average convection heat transfer coefficient of 60 W/m..
determine the tension developed in each cord required for equilibrium of the 21- kg lamp. determine the tension
refridgerant 410a is initially at 120 f and quality of 30. it undergoes a constant-pressure process. the final state is
Carbon dioxide enters an adiabatic compressor at 100kPa and 300K at a rate of 0.5kg/s and exits at 600kPa and 450K. Considering constant specific heat, determine (a) isentropic efficiency of the compressor (b) the rate of entropy change in (kW/K) ..
consider a concentric tube annulus for which the inner and outer diameter are 25 and 50 mm. water enters the annular
Evaluate the maximum theoretical power that can be developed by the turbine, in kW, and the corresponding exit temperature.
In flows past solid bodies, the force exerted on the body by the fluid motion depends upon the fluid velocity u, the density p, the viscosity
suppose we wish to test the hypotheses ho u15 h1 u does not 15 where we know that sigma2 9.0. if the true mean is
a catheter is a specialised needle intended for long-term insertion into a vein in a patients arm. engineers are
a spherical tank aisi 302 stainless steel has an outside diameter of 40cm and a wall thickness of 2cm. it contains
using matlab simulink set up the negative feedback system of nbspand find the value of the gainnbspaplot the step
the molar heat capacity of liquid iron exceeds that of iron vapor by 2.5222calkthe molar heat of evaporation of liquid
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