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A power plant produces 1000 MW of electricity and uses residential oil as the fuel. The oil has a heating value, the maximum energy liberated in combustion, of 43 000 kJ/kg. The overall efficiency of the power plant is 52%. Determine the instantaneous heat input, the daily fuel consumption, and the dimensions of a cylindrical storage tank (L =D) to hold a 3-day supply of oil. The density of the oil is 990 kg/m3. Determine in addition the amount of heat rejected to the environment.
a 10-ft steel beam is lowered by means of two cables a amp b distant of 9-ft unwinding at the same speed from overhead
A cycle composed of three processes: poly tropic compression (n=1.5) from 137 kPa and 38 degrees C to state 2, constant pressure from state 2 to state 3 and constant volume from state 3 to state 1. The heat rejected is 1560kj/kg and the substance is ..
Determine the ideal launch vehicle that can put this orbiter into the parking orbit. (hint: you do not have to consider the Sun in this problem. Only SOI of the Earth and the Moon)
neglecting with the presence of friction air dragm and other inefficiencies how much gasoline is consumed when a
a compressor is designed to run at 4000 rpm when ambient conditions are 101 kpa and 20c. on the day when the
the front of a jet engine acts as a diffuser receiving air at 900 kmh -5degc 50 kpa bringing it to 80 ms relative to
an adiabatic heat exchanger has 0.3 kgs of water passing through one flow path. the inlet temperature and pressure are
one leg of a mercury u-tube manometer is connected to a pipe containing water under a gage pressure of 15 lbfin2. the
A person with a uniform temperature of 29 C is standing barefoot on a block of ice in a breezy room at 20 C with an effective convection coefficient equal to 8 W/m^2 C. The surface area exposed to forced convection is 1.6 m^2.
a tensile force of 4200 lbs is applied to a 9 feet long 8515 brass rod. an elongation of 0.36 inch is measured on the
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
What is the velocity and rate of flow of the metal into the mold? Is the flow turbulent or laminar? (Pure aluminum density ρ = 2.7 g/cm3).
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