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Steam is supplied to a two-stage turbine at 40 bar and 500°C. In the first stage the steam expands is entropically to 3.0 bar at which pressure 2500 kg/h of steam is extracted for process work. The remainder is reheated to 500°C and then expanded is entropiailly to 0.06 bar. The by-product power from the plant is required to be 6000 kW. Calculate the amount of steam required from the boiler, and the heat supplied. Neglect feed-pump terms, and assume that the process condensate returns at the saturation temperature to mix adiabatically with the condensate from the condenser.
The oil and water can be regarded as incompressible with constant specific heats of 0.51 and 1.00 Btu/lb ? °R, respectively. Heat transfer between the heat exchanger and its surroundings can be ignored, as can the effects of motion and gravity.
a gas turbine power plant with regeneration delivers 80.000 hp. the lowest pressure in the cycle in 14.7 psia and the
The bottle rests at a distance of 3 ft from the center of the horizontal platform. If the coefficient of static friction between the bottle and the platform is ms = 0.3, determine the maximum speed that the bottle can attain before slipping. Assum..
Determine the diameter of a suitable air main for the distribution - Table of equivalent pipe lengths for valves and fittings as used on air distribution systems
The double pulley shown is attached to a 10-mmradius shaft that fits loosely in a fixed bearing. Knowing that the coefficient of static friction between the shaft and the poorly lubricated bearing is 0.40,
a piston-cylinder assembly is fitted with stops. the assembly contains 0.1 kg of water initially at 1 mpa and 500degc.
water at atmospheric pressure boils on the surface of alarge horizontal copper tube. the heat flux is 90 ofthe critical
Strain gauges mounted on a free surface of a piece of steel (E = 205 GPa, υ = 0.29) indicate strains of εx = -0.00042, εy = 0.00071, and γ xy = 0.00037. A. Calculate the principal strains.
consider an aircraft powered by a turbojet engine that has a pressure ratio of 9. the aircraft is stationary on the
a mass of 10 tonnes is moved 20 m across the deck of an ocean vehicle of 10000 tonnes displacement. the ocean vehicle
at steady state air at 200 kpa 52 ordmc and a mass flow rate of 0.5 kgs enters an insulated duct having differing inlet
Determine the refrigeration load QL and The COP of the refrigerator - If the isentropic efficiency of compressor is 0.8 calculate the actual work of the compressor.
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