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One and one-half pounds of water within a piston-cylinder assembly execute a Carnot power cycle. During isothermal expansion, the water is heated at 5008F from saturated liquid to saturated vapor. The vapor then expands adiabatically to a temperature of 1008F and a quality of 70.38%.
(a) Sketch the cycle on p-y coordinates.
(b) Evaluate the heat transfer and work for each process, in Btu.
(c) Evaluate the thermal efficiency.
an air compressor takes air in at the state of the surroundings 100 kpa 300 k. the air exits at 400 kpa 200degc at the
Water is boiled at sea level in a coffee maker equipped with an immersion-type electric heating element. The coffee maker contains 1 L of water when full. Once boiling starts, it is observed that half of the water in the coffee maker evaporates in 25..
air is adiabatically compressed in a non flow process from a pressure of 14.7 psia and temperature of 70 degrees to 200
a compressor is designed to run at 4000 rpm when ambient conditions are 101 kpa and 20c. on the day when the
how do i calculate the rate of change of heat with the cylinder, and the vertical temperature distribution along the cylinder's wall.
An isolated system consists of a closed copper vessel of mass 0.1 kg, containing 1 kg of liquid water, each initially at 5°C, immersed in 20 kg of liquid water, initially at 20°C. The system is allowed to come to equilibrium. Determine the final temp..
a hot surface on a stovetop faces upwards. it is a pan whose diameter is 10 inches. the surface of the pan is dull with
Air with a static temperature of 223 K entering a gas turbine engine intake at V1 = 300 m/s accelerates to a new velocity (V2) and decreases in pressure (P2) at the exit plane of the intake. The pressure recovery (P2/P1) through the intake is .833. A..
the 2-kg ball rests between the 45 degree grooves a and b of the 10 degree inlcine and against a vertical wall at c. if
a truck is traveling on a level road at a speed of 60 mih when its brakes are applied to slow it down to 20 mih. an
a horizontal force f pushes a 10 kg block up a fricitionless ramp with a circular contour the radius of curvature of
Oil refineries use large fired heaters to heat oil and other products for processing. These heaters consist of a firebox where a fuel gas (typically natural gas or a refinery fuel gas) is burned, and the radiation from the fire heats the fluid which ..
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