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Two carnot engines operate in a series. Engine 2 uses the waste heat from engine 1. Engine 1 receives 200KJ at a temperature of 420C from a solar energy source, while engine B rejects heat to the atmosphere at a temperature of 4C. If the work output of the engine 1 is twice more than that of engine 2, determine a. the intermediate temperature b. the heat rejected to the cold sink c. the efficiency of each heat engine.
how much energy in ft-lbf btu and kj is required to accelerate my 3400 pound car from rest to a velocity of 60 mph on a
a metal has a cubic structure with a density of 1.892 gcm3 an atomic weight of 132.91 gmol and a lattice parameter of
the superheated water vapor at 50 kpa and 100degc is compressed isentropically in a closed system to 4 mpa. determine
a 1200 mwe pressurized water reactor pwr with an overall thermal efficiency of 30 is designed to supply saturated steam
two identical cylinders c1 and c2 each of radius r and weight p are tied together by a cord. they support a third
a cylindrical aluminum specimen having an original diameter of 12.8 mm 0.505 in. and gauge length of 50.80 mm 2.000 in.
combustion products 2 water vapor and 98 dry air by mass flow in a chimney at 34oc and 1 atm. determine a. the dew
determine the concentration of carbon in an iron-carbon alloy for which the microstructure consists of proeutectoid
a vertical hydraulic cylinder has a 125-mm diameter piston with hydraulic fluid inside the cylinder and an ambient
a particle moves in a circular path of radius r with speed v. it then increases its speed to 7v while traveling along
Calculate the static thrusts of the rocket and turbojet engine described in the figure. The thrust T is the force necessary to prevent horizontal movement of the engine. Both engines exhaust a mass flow of 40 kg/s.
a piston cylinder device initially contains 1.4 kg saturated liquid water at 200 oc. now heat is transferred to the
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