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An engineer is designing a system that requires transporting .01 m^3/s of helium at 15°C and 120 kPa. The velocity of the pipe is limited to 40 m/s. What size (diameter) of pipe is needed?
Determine the ideal launch vehicle that can put this orbiter into the parking orbit. (hint: you do not have to consider the Sun in this problem. Only SOI of the Earth and the Moon)
consider a rigid tank of volume 15 m3 . this tank is connected to a steam supply line. the tank is initially evacuated.
a piston-cylinder arrangement initially contains water at p 300 psia and t 500of. the piston is moved to a final
Estimate the energy that must have been supplied to cause the specimen to reach failure.
a circular sheet metal duct carries refrigerated air to a cold storage room for apples. the duct itself is 200 mm in
What is the mass flow rate of oxygen in lbm/s? Note that the inside diameter of a nominal 2 inch schedule 40 steel pipe is 2.067inches. Assume ideal gas principles apply.
A first class lever in static equilibruim has a 50 lb resistance force and 15 lb effort force. The lever's effort force is located 4 ft from the fulcrum. What is the actual mechanical advantage of the system?
a standard steel specimen of 13 mm diameter elongated 22 mm when it was subjected to a tensile force of 29.5 kN if the specimen has a length of 200 mm and that force applied within elastic range. what is the elastic modulus of elasticity ?
air is compressed under steady flow conditions see figure q3. the power input to the compressor is 3 kw. during the
A 7/16 nut driver with a 1 1/2 inch diameter handle is used to install a 1/4 20 UNC bolt into a robotic arm. Determine the circumference where the effort is applied
2 kg of water is contained in the vertical frictionless piston cylinde device.the mass of the piston is such that the
the force exerted on the cue ball by the cue is horizontal. determine the value of h for which the ball rolls without
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