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A typical diver inhales 0.450 liters of air per breath and carries a 25 L breathing tank containing air at a pressure of 300. bar. As she dives deeper, the pressure increases by 1 bar for every 10.08 m. How many breaths can the diver take from this tank at a depth of 35 m? Assume that the temperature remains constant.
Calculate the following the (U10050 Stirling motor) Stirling engine: Overall efficiency, thermal efficiency, mechanical efficiency and the coefficient of performance (CoP). assume that the engine is used as electric generators calculate:
The bar shown has a varying cross section and is fixed rigidly at both walls. The crosssectional area of the narrower section is A; the cross-sectional area of the wider section is larger by a factor of m , or m A.
a man attached to a rope jumps from a bridge. the natural length of the rope is l the mass of the man is m the mass of
Show transcribed image text The truss shown was designed to support the roof of a food market. For the given loading, determine the force in members FG, EG, and EH. Hint: Method of Section.
Find the angle θ in the laboratory system between the momentum of each photon and the initial line of motion.
strength of materials energy methodsa steel ring of mean diameter 250 mm has a square section 2.5 mm by 2.5 mm. it is
Design a wide flange, simply supported beam below so that the stress due to bending does not exceed that allowed by AISC for A36 steel and calculate the shear stress where the parts join as indicated. Maximum V = 10,000 lb.
a container initially at 323 k is heated to a final temperature of 573 k. if the device contains a mixture of nitrogen
Carbon dioxide gas enters a pipe at 3 MPa and 500 K at a rate of 2 kg/s. CO2 is cooled at constant pressure as it flows in the pipe and the temperature of CO2 drops to 450 K at the exit. Determine the volumetric flow rate and the density of carbon di..
boiling water flows through thin-walled copper tubes in a cross-flow heat exchanger and atmospheric air flows across
air is expanded from 2000 kpa and 500c to 100kpa and 50c. assuming constant specific heats determine the change in
for a short period of time the frictional driving force acting on the wheels of the 2.4-mg van is fd 600t2 n where t
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