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Helium gas (which may be treated as an ideal gas with R = 386 ft-lbf/lbm- degree R) is contained in a rigid 8-ft3 internal volume pressure vessel at an initial pressure of 600 psia and an initial temperature of 300 degree F. Some helium gas leaks out of the container until the final pressure is 400 psia and the final temperature is 185 degree F. Determine the mass {lbm} of helium gas that leaked from the container.
determine the designe power. An output speed of 175 RPMis specified. Determine: a) number of teeth on the small sprocket, b) number of teeth on the large sprocket, c) lubrication type required, d) the required length of chain (in inches) if the ce..
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
determine the electrical power input to the pump. the density of water is 1kg/l.
the track for a racing event was designed so that riders jump off the slope at 30 degrees from a height of 5 ft. the
crates a and b weigh 100 lb and 50 lb respectively. if they start from rest determine the their speed when t 5s. also
What is the communication time if the local conditions limit spacecraft visibility to elevation angles larger than = 18 degrees?
the potential at location a is 377 v. a positively charged particle is released there from rest and arrives at
Lift coefficient (Cl) and lift (L), An airfoil of surface area 1ft squared is tested for lift (L) in a wind tunnel. At an angle of attack of 5 degrees with standard air of density 0.0024 slugs/ft cube at a speed of 100 ft/sec
a mass of 2.4 kg of air at 150 kpa absolute and 12 degrees celsius is contained in gas tight frictionless piston
A body moves through standard air at 200 m/s. What is the stagnation pressure on the body? Assume (a) compressible flow and (b) incompressible flow.
one part of the tank contain 2.5 kg of compressed liquid water at 60 C and 600 kPa while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. Determine the final temperature of the water and the..
Draw the shear force diagram for the beam and determine the position and magnitude of the maximum bending moment.
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