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Rework given Problem for an engine without a condenser, with the steam exhausting directly into the atmosphere at 14.7 psia. Determine the Carnot and isentropic Rankine cycle thermal efficiencies and their percent decrease due to the removal of the condenser. Assume the cycles are still closed loop.
Problem :
Show that the Carnot and isentropic Rankine cycle thermal efficiencies for an engine whose boiler produces dry saturated steam at 100. psia and whose condenser operates at 1.00 psia are 29.7% and 26.1%, respectively. Draw the appropriate T-s and p-v diagrams for these cycles.
A car of mass 1572 kg collides head-on with a parked truck of mass 2000 kg. what is the initial speed of the car
A copper vessel of mass 1000g contains 500g of water at 50C. An ice cube of mass 100g at temperature -30C is dropped into the vessel. Does the ice melt? Explain in a few words how you reached to your answer.
A pair of narrow slits, separated by 1.8 mm, is illuminated by a monochromatic light source. Light waves arrive at the two slits in phase. What is the wavelength of the monochromatic light
suppose the coefficient of static friction between the road and the tires on a car is 0.844 and the car has no negative
A constant force of magnitude of 8.0 Newton is exerted for 4.0 s on a 16 kilogram object initially at rest. Obtain the change in speed of the object
Just as the surface area-to-volume ratio depends on size, so can other properties. To see how, suppose that your size suddenly doubled; By what factor has your weight increased
A 50kg box is pulled at uniform speed along a horizontal floor by a force parallel to the floor. The coefficient of friction is 0.3. Find the magnitude of the force
A particle of mass M is subjected to a force F(t) = kte-alphat, where k is a constant and alpha = 0.5 s-1. If the particle is initially at rest, calculate the position, velocity and acceleration as a function of time.
The light beam shown in the figure below makes an angle of phi= 30.0o with the normal line NN' in the linseed oil. Determine the angles θ and θ'. (The refractive index for linseed oil and water are 1.48 and 1.33 respectively.)
Leonardo da Vinci (1452-1519) is credited with being the first to perform quantitative experiments on friction, though his results were not known until centuries later, Find at what angle did Leonardo blocks begin to slide
a particle of mass 0.350 kg is attached to the 100 cm mark of a meter stick of mass 0.150 kg. the meter stick rotates
A steam pipe weighting 50 lb/ft that passes between two buildings 60 ft apart and is supported by a system of cables as shown, assuming that the weight of the cable is equivalent to a uniformly distributed loading of 7.5 lb/ft, determine
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