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Steam at 600. psia and 800.°F enters the high-pressure stage of an isentropic turbine and is reheated to 60.0 psia and 700.°F before entering the low-pressure stage. The steam then exhausts to a condenser at 1.00 psia. Neglecting pump power, determine
a. The isentropic Rankine cycle thermal efficiency.
b. The isentropic Rankine cycle thermal efficiency that would occur if the steam were not reheated.
c. The percent increase in thermal efficiency due to the reheating operation.
a heat lamp emits infrared radiation whose rms electric field is erms 3600 nc. a what is the average intensity of the
A 100 kg box is pulled by a rope in the direction 20 degreesabove the horizontal. The box is moving in horizontal directionwith an acceleration of 0.5m/s^2 and the coefficient of kineticfriction between the box and the horizontal surface is 0.25. Fin..
Two boxes with different masses M1 =0.7 kilogram and M2 =2.8 kilogram are tied together on a friction less ramp surface which makes an angle θ = 27 degree with the horizontal. Find the tension in the rope connecting the two boxes
Four long, straight wires parallel to the z axispass through the points (±8.5 cm, ±8.5 cm) at the corners of a square inthe x-yplane. Each carries a currentof 4.0 A, with the upper twocurrents in the -z direction and the lower two inthe +z directi..
The power supplied to a typical black-and-white television set is88 W when the set is connected to 120V. How much electrical energy does this setconsume in 1 hour?
A bug is on the edge of a rotating record player moving toward a light positioned along the edge of record player as well. Determine the accelerations acting on the bug
A baseball is thrown vertically upward. Neglecting air resistance what is the acceleration of the ball at its highest point? a 9.81 m/s2 b We require to know the inital speed. c 19.6 m/s2 d0
A bowling ball is of radius??=11 ????and and mass ??=7.2 ???? rolls from rest down an inclined plane of length??=2.1 ??. What is the linear speed of the ball when it reachesthe bottom of the incline
A horizontal force of 150 Newton is used to push a 35.5 kilogram packing crate a distance of 5.70 meter on a rough horizontal surface. If the crate moves at a constant speed, determine the work done by the 150 Newton force
You stand in the earth's magnetic field, directly facing its horizontal component (in other words, facing magnetic south). Find the outward flux through your body back surface
The tank is shelling at a target that is 4km away and 60m above ground. what should be the release speed of the shell
A car of mass 1500kg turns an incined corner (radius 50m, angle 30degrees), How fast can the corner be taken without losing traction
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