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Examine a process whereby air at 300 K, 100 kPa is compressed in a piston/cylinder arrangement to 600 kPa. Assume the process is polytropic with exponents in the 1.2-1.6 range. Find the work and heat transfer per unit mass of air. Discuss the different cases and how they may be accomplished by insulating the cylinder or by providing heating or cooling.
Design a bridge that will withstand 4 fully loaded semi-trailers
A 1300 car is traveling along a straight road at 18 . Two seconds later its speed is 21. What is the magnitude of the net force acting on the car during this time?
steam enters a converging-diverging nozzle operating at steady state with p1 40 bar t1 400oc and a velocity of 10 ms.
during a race the dirt bike was observed to leap up off the small hill at a at an angle of 60o from the horizontal. if
At resonance, the amplitude is measured to be 0.8 cm. At 0.85 resonant frequency, the amplitude is measured to be 0.6 cm. Determine the damping factor (zeta) of the system.
What is the maximum shear strain (Ymax)xz in the xz plane? What is the maximum shear strain (Ymax)yz in the yz plane?
Parallel flow of atmospheric air over a flat plate of length L = 3 m is disrupted by an array of stationary rods placed in the flow path over the plate.
Determine the factor of safety in operation and the angle of twist per metre length.
A simple graph is triangle-free when it has no simple cycle of length three. Prove for any connected triangle-free planar graph with v>2 vertices and e edges. e
air at 40 degree c and 1 atm at volumetric flow rate of 1.5 m3s is joined with co2 at 120 degree c and 1 atm in pipe
one pound of nitrogen as an ideal gas expands isothermally at 70 f from a volume of 1 ft3 to a volume of 2 ft3. during
the collar a is free to slide along the smooth shaft b mounted in the frame. the plane of the frame is vertical.
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