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An uninsulated, warp drive steam turbine on a Romulan battle cruiser has a surface temperature of 200.°F. It produces 50.0 hp with a steam mass flow rate of 150. lbm/min.
The inlet steam is at 400.°F, 100. psia, and it exits at 16.0 psia, 90.0% quality. Determine
a. The heat transfer rate from the engine.
b. The entropy production rate of the engine.
c. Show whether the Romulans have discovered how to build steam engines that violate the second law of thermodynamics.
Calculate the cycle efficiency and mean effective pressure of an air standard diesel cycle with a compression ratio of 15/1 and maximum and minimum cycle temperatures of 1650'C and 15°C respectively. The maximum cycle pressure is 45 bar.
The velocity profile for a film of liquid flowing down a vertical wall is given by. Where L is the thickness of the film, u is the downward velocity, xis the distance perpendicular to the wall and are the liquid density and viscosity. Sketch the velo..
A 6-lb collar can slide without friction on a vertical rod and is held so it just touches an undeformed spring.
A vertical plate of length L = 2m (in the vertical direction), width w = 1m (in the horizontal direction) and temperature T = 300K is in free convection with air at T\infty = 320K. Find the total heat transfer from both sides of the plate
What are the two ways of balancing capacity available and load? Which is preferred? Why?
A process uses an oil of density 800 kg.m-3 and viscosity 80 mPa.s at a rate of 0.72 m3.h-1. Determine the rate of flow in each pipe
a cart is moving at a constant absolute velocity vcart 5 kmh to the right. a high-speed jet of water at an absolute
What is the maximum data rate possible?
Explain any anomalies - differences from theory or what you thought should happen. Is a linear approximation sufficient to describe and predict the relationship between load and output voltage?
What are the special features of Shear Force Diagram?
A short 60-mm-diameter circular bar is made of a material for which the maximum safe compressive stress is 80 MPa and the maximum safe shearing stress is 30 MPa. Determine the maximum axial compressive force that can be safely applied.
Maturated water vapor at 800 kPa is isothermally condensed to a saturated liquid in a piston-cylinder device. Calculate the amount of heat transferred during this process.
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