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Cylinder conditions at the start of compression in an SI engine operating at WOT on an air-standard Otto cycle are 60 degrees C and 98 kPa. The engine has a compression ratio of 9.5:1 and uses gasoline with AF = 15.5. Combustion efficiency is 96 % and it can be assumed that there is no exhaust residual. The engine is a three liter V6 engine operating at 2400 RPM. At this speed the mechanical efficiency is 84 %. The exhaust pressure of the engine is 100 kPa.
Calculate:(a) Exhaust Temperature(b) Actual exhaust residual(c) Temperature of air entering cylinders from intake manifolds
starting from rest a cart is propelled by an hydraulic cataputlliquid jet. the jet strikes the curved surface and makes
estimate the design-stage uncertainty in determining the voltage drop across an electric heating element. the heater
nitrogen n2 initially occupying 0.1 m3 at 6 bar 2478c undergoes an internally reversible expansion during which pv 1.20
the acceleration of a particle is defind by the relation a - 0.8 v where a is expressed in ms2 and v ms. knowing
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F,
a spherical tank for storing liquid oxygen on the space shuttle is to be made from stainless steel of 0.80 m outer
two frictionless balls are placed in a frictionless bowl. the left ball a has a radius of 3.00 in. and a weight of 10.0
an elevated open stairway like the one in the sac is designed to be supported by four steel rods connecting the
A motorist enters a freeway at 36 kph and accelerates uniformly to 90 kph. From the odometer in the car, the motorist knows that she traveled 0.20 km while accelerating. Determine a.) the acceleration of the car, b.) the time required to reach 90 ..
a 32 lb weight is attached to the end of a spring with spring constant k 24 lbf. if the resistive force is 10 dxdt
To determine the heat transfer characteristics of a cylinder under cross flow conditions when the cylinder is isolated.
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