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A 10-cm outside diameter by 6-cm inside diameter steam line made of steel (k=14 W/m c) delivers superheated steam at 1000 C. the line is wrapped with 10 cm of insulation (k=0.16 W/m C) Using convection heat transfer coefficients of 2500 W/m2 C for the steam side and 7 W/m2 C for the air side, and the ambient temperature as 30 C, find the total heat loss per m length of the steam line. Find also the temperature at the interface of steam and insulation.
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
Refrigerant R-134a vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 800 kPa to 50 ºC.
Fluid Statics: Submerged Submarine, A submarine is at a depth of 2000 ft from the water surface. The atmospheric pressure above the water is at 14.7 psia
Compare the time and cost of using the following three alternative methods for casting the concrete for the wall: 1) direct chute 2) pumped 3) crane and bucket.
Make a form tool for lathe for making a convex groove of 3 mm radius. tool material will be tungsten carbide. Know the dimensions of tool.
Weld analysis, Two steel plates are joined with a butt weld using a weld throat h of 3/8 in. and the length of weld 1 of 4in.
The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression process, the air is at 100 kPa, 17 C, and 600 cm2
Finding the volume of hydrogen, A hydrogen filled balloon of the type used in cosmic ray studies is to be expanded to its full size which is a 100-ft diameter sphere, without stress in the wall at an altitude of 150,000 ft.
Determine the resulting change
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
A 200 kg crate is to be supported by the rope and pulley arrangement shown. Determine the magnitude and direction fo the force P that must be exerted on the freee end of the rope to maintain equillibrium.
An ideal vapor-compression refrigeration system operates at steady state with Refrigerant 134a as the working fluid. Superheated vapor enters the compressor at 30 lbf/in2, 20F, and saturated liquid leaves the condenser at 140 lbf/in2. The refriger..
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