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Air at 100 lbf / in 2, 500 degree F and a velocity of 100 ft / s enters a nozzle operating at steady state and expands adiabatically to the exit, where the pressure is 40 lbf/in 2 and it has a velocity of 1750 ft/s. Determine the nozzle efficiency. 87.4%
The two mooring cables exert forces on the stern of a ship. Represent each force as a Cartesian vector and determine the magnitude and direction of the resultant.
a heat engine working on carnot cycle converts 25% of heat into work when the temperature of the sink is reduced by 353 k the efficiency gets doubled .find the temperature of source and sink.
a cable is made of two strands of different materials a and b and cross sections as follows for material a k60000 psi
an insulated piston-cylinder device contains 100 l of air at 400 kpa and 25degc. a paddle wheel within the cylinder is
a new containment vessel for nuclear waste is being tested by a group of engineersnbspworking for the u.s. department
u.s. energy use was approximately 100 quads quadrillion btu in 2008. about 85 of this energy was supplied by burning
in an experimental study designed to simulate the manner in which a cat drinks a glass plunger simulating a cats tongue
an airplane moves forward at a speed w1 971 kph. the frontal intake area of the jet engine is a1 0.8 m2 and the
an airplane used to drop water on bushfire is flying horizontally in a straight line at 180 mih at altitude of 300 ft.
a horizontal pipe has an abrupt expansion from d1 8 cm to d2 16 cm. the water velocity in thenbspsmaller pipe is 15
The main elevator A of the CN Tower in Toronto rises about 349 m and for most of its run has a constant speed of 22 km/h. Assume that both the acceleration and deceleration have a constant magnitude of g/3 and determine the time duration t of the ..
the jmh company manufactures resistors with an ideal resistance value of 400 ohms. a sample of 2000 resistors were
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