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A five-cylinder, 3.5-liter SI engine operates on a four-stroke cycle at 2500 RPM. At this condition, the mechanical efficiency of the engine is 62% and 1000 J of indicated work are produced each cycle in each cylinder. Calculate:
(a) Indicated mean effective pressure. [kPa] (b) Brake mean effective pressure. [kPa]
(c) Friction mean effective pressure. [kPa]
(d) Brake power in kW and hp.
(e) Torque. [N-m]
A rigid wall, insulated container is divided into two regions by a removable wall. One region contains 0.1 lbm of CO at 100F, while the other region contains 0.2 lbm of CO at 150?F. A stirrer is inserted into the container and when the wall between t..
a pistoncylinder arrangement is filled with helium gas. the gas is compressed with a polytropic process with nk. the
The water has free access to the underside as well as the right side of the gate. When the water level rises above a certain value of h, the gate will open. Determine the critical value of h. Neglect the mass of the gate.
Evaluate the values of ultimate tensile strength, yield strength, percent elongation, fractural strain, and Young's Modulus of the selected metals of aluminum when subjected to uniaxial tensile loading.
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There is no significant heat transfer between the engine and its surroundings, and kinetic and potential energy effects are negligible. For operation at steady state, determine the rate at which power is developed in the absence of internal irreve..
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a steam turbine operates with 1.6 mpa and 350 degree c steam at its inlet and saturated vapor at 30 degree c at its
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