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A simplified single-cylinder internal combustion engine that produces 20 hp is shown in figure 4-33. It loses 40 kJ/min in radiated and conducted heat while using 0.73 kg/min of fuel-air mixture which is assumed to have an enthalpy of 2600 kJ/kg of mixture. Determine the specific enthalpy of the exhaust gases, assuming that the engine is in a steady state.
a venturi meter has an inlet of 250 mm and a throat of 150 mm diameter. its coefficient of discharge is .985. calculate
high density polyethylene may be chlorinated by inducing the random substitution of chlorine atoms for hydrogen.a
A closed rigid tank contains water in equilibrium at a temperature of 225 °C and a quality of 0.35 (35%). The mass of the liquid water present is 0.25 kg. What phases are present in the system? (Give justification) What is the mass of vapor that is p..
water enters an insulated nozzle operating under steady conditions at a pressure of 60 psia a temperature of 350 degf
a tube with elastic modulus of 75 gpa is used to support a compressive load. it is required that this tube must not
what is a plasticizer? consider a polymer with a plasticizer. how the crystallinity of polymer will be affected by
in a steam generator compressed liquid water at 1500 psi 100of enters a 1-in diameter tube at the rate of 5 ft3min.
during calcination of limestone calcium carbonate is decomposed into lime and carbon dioxide. the rate of calcination
1. a circular hovercraft is to levitate at a gap height of 2.5 mm after picking up a payload. the hovercraft has a
Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
the pressure at the bottom of a swimming pool is evenly distributed. suppose we look at a cast iron plate of 7272 kg
a uniform rod ab of length 3m and mass 20kg is suspended with its end b against a vertical wall while its end a is
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