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A stainless steel rod with a circular cross section has a length of 100 mm and a diameter of 2.0 mm. It is deformed elastically in compression by a force of 500 N applied parallel to its length. The material has a Young’s modulus of 200 GPa, and a shear modulus of 77 GPa. Calculate (i) the amount by which the rod will decrease in length, and (ii) the amount by which the rod will increase in diameter.
a 6 nominal pipe size schedule 40 pipe hase a chamfered entrance and 200 ft long. the velocity is 20 ftsec. after the
an insulated piston-cylinder device contains 3 liter of saturated liquid water. the pressure is at 120kpa. now an
a permanent magnet dc motor is coupled to a load through a gearbox. if the polar moments of inertia of the rotor and
one kilogram of water at 300degc expands against a piston in a cylinder until it reaches ambient pressure 100 kpa at
a four cylinder four-stroke internal combustion spark-ignition engine operates on the ideal cycle the otto cycle. the
you have been asked to design a four-wheel drive vehicle capable of ascending a 24 degree ramp. what is the minimum
Compare the ideal COP of R-134a and R-22 at an evaporating temperature of 40 F and 20 F superheat and condensing temperature of 120 F with 15 F sub cooling with the actual compressor COPs calculated from the manufacturer's performance tables.
a 14-ft long ladder leans against a wall with the bottom of the ladder placed 4ft from the base of the wall. how high on the wall will the ladder reach.
the greatest fluctuation of energy to be stored by an engine flywheel is 2kj when the mean engine speed is 4 revs. the
a 6 kg sphere moving at 3 ms collides with a 10 kg sphere traveling 2.5 ms in the same direction. the 6 kg sphere comes
atmospheric air at 98 kpa and 30degc flows into an air conditioning system with a volume flow rate of 2 m3min. to
1. convert 8720 gallons per minute to ft3sec.2. one gallon is a volume measure of 231 in3. determine the velocity in a
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