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Liquid propane (C3H8) enters a combustion chamber at 25 C at a rate of 1.2 kg/min where it is mixed and burned with 150 percent excess air that enters the combustion chamber at 12 C. If the combustion is complete and the exit temperature of the combustion gases is 1200 K, determine (a) the mass flow rate of air and (b) the rate of heat transfer from the combustion chamber.
the exhaust temperature of a carnot heat engine is 305degc. what is the intake temperature if the efficiency of the
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
car a is traveling at va130kmh as it passes a police officer in car p but over the next 5 seconds the car uniformly
a cold air-standard otto cycle operates between temperature limits of 70 and 1500 f. calculate the thermal efficiency
a house has a composite wall of plaster board lp 10mm k0.72 wm.k fibre glass insulation lb100mm k1.4 wm.k and plywood
1 calculate the angular velocity acceleration of a 2kg mass rotating in a horizontal circle of 2m radius if one
a 2.9 kg collar is free to slide on a rough rod rotating in the horizontal plane. the collars radial position along the
an inventor claims to have developed a refrigeration unit that maintains a cold space at -10degc while operating in a
1. Natural gas and 100% excess air enter the combustion chamber of the Capstone micro-gas turbine at 400 kPa and 452 °C.
consider an aircraft powered by a turbojet engine that has a pressure ratio of 9. the aircraft is stationary on the
Derive the operational transfer function and the sinusoidal transfer function for an RC high-pass filter. Plot the step response and the complete frequency response (magnitude and phase).
a gear of mass 2.5kg rotates ar 1500rpm.due to an error in manufacture the centre of gravity of the wheel is displaced 0.5mm from the axis of rotation. calculate the out of balance force.
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