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A steam turbine operates with 1.6 Mpa and 350 degree c steam at its inlet and saturated vapor at 30 degree c at its exit. the mass flow rate of the steam is 16 kg/s,and the turbine produces 9000kW of power. Determine the rate at which heat is lost through the casing of this turbine.
a flying wing has a swept symmetric airfoil with a planform area of 3700 sq ft a root cord at the airplane centerline
two solid cylinders rods AB and BC are welded together at B and loaded. determine the magnitude of the force P for which the tensile stress in rod AB is twice the magnitude of the compressive stress in rod BC?
consider the carburizing of a steel bar to create a hard surface. to obtain the desired hardness we need to control the
a car moves along a straight line starting from rest with an acceleration of 5 fts2 for 6 seconds then brakes with a
r-22 in a pistoncylinder has mass 1 kg and temp. 10degc with a volume of0.02 m3 . initially state 1 the piston rests on
the crate has a mass of 150kg and the coefficients of friction between it and the sloping dock are mus 0.5 and muk
a pressure transducer behaves as a second-order system. if the undamped natural frequency is 10 khz and the damping is
Consider the 2.0micrometer long GaAs device where the E-field is 5kV/cm and Mn*=.067M0. Calculate the transit time of an electron through the device if the mobility is 8000 cm^2V-s.
What is the primary difference between the strength of a structure and the strength of a material? Is a strong material stiff?
a compressor operating adiabatically is to compress 2.83 m3min of air at 29.4 c and 102.7 knm2 to 311.6 knm2. calculate
Sketch the frequency response of the system. Overlay the frequency spectrum of the excitation and as you start the system up, increasing Ω from 0 to 60 rpm, what speeds are most likely to excite large amplitude response? Why?
Electricity might be used to run the fan to draw air through the system, and also to run a chiller - What is a typical COP for a commercial chiller?
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