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Write the combustion equation for the complete combustion of methane in a furnace chamber with 200% theoretical air and 20% percent excess air. Take into account that some of the oxygen is lost to the surface wall material of the furnace. Find the actual air-fuel ratio, the theoretical air-fuel ratio, and the percent excess air.
a dragster starts from rest and has an acceleration described by the graph. determine the time t for it to stop. also
A steam power plant operates on a simple ideal Rankine cycle between the pressure limits of 3 MPa and 50 kPa. The temperature of the steam at the turbine inlet is 300 C and the mass flow rate of steam through the cycle is 35 kg/s. Show the cycle on a..
the hoover dam has a capacity to produce 2080 mw of electrical power. the difference in height between the surface of
show how did you do the maintenance during your workshop machines were sent to your workshop from a big
the lifetime in hours y of an electronic component is a random variable with density function given bynbspfy1100 e-y100
A vapor compression refrigeration cycle is used. The working fluid is R134a. The fluid at the compressor inlet is a superheated vapor with a pressure p1 = 200 Kpa and a temperature T1 = 10°C. The compressor pressure ratio p2/p1 = 8, the fluid exits..
Find flow rate A siphon made of a 1 in-inside-diameter pipe is used to maintain a constant level in a 20 ft-deep tank
a steam power plant has high and low pressures of 20 mpa and 10 kpa respectively and one open fwh operating at 1 mpa
saturated liquid ammonia is compressed adiabatically in a pistoncylinder. the ammonia starts at 40f and the
A solid shaft of diameter D is used to carry an applied torque T. At the time of regular maintenance, engineers decided to replace it with an alternative shaft of hollow geometry with an inner diameter din = D. Considering that the maximum shear stre..
A piston-cylinder setup filled with air, initially at 27 °C, 1 bar, changes to 17 °C, and 0.9 bar. Determine, as a present, the change in volume of the air from its initial volume. (in %)
1 kmol of n2 gas ideal is contained in a piston initially at 300k with a volume of 0.1 m3. the piston cylinder is well
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