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A steel ring of 250mm diameter has a width of 50mm and a radial thickness of 5mm. It is split to leave a narrow gap of 5mm wide normal to the plane of the ring. Assume the radial thickness to be small compared to the radius of ring curvature. Calculate the tangential force that must be applied to the edges of the gap to just close it.
r-134a is loaded into a weighted pistoncylinder unit. the mass of refrigerant is 10 kg. before heating measurements
The elevator E has a mass of 500kg, and the counterweight at A has a mass of 150Kg. if the motor supplies a constant force of 5KN on the cable at B, determine the speed of elevator when t= 3s, starting from rest neglect the mass of pulleys and cab..
a flue gas is which the mole fraction of h2s is 0.002 enters a scrubber operating at steady state at 200 deg f 1 atm
a vehicle is moving along a straight line with an acceleration given by ms2 where s is in m. at s 0 t 0 and v 6 ms.
an ideal rankine cycle produces 100 MW of power. If the steam enters the turbine at 100 bar and 500C and is condensed at 1 bar, determine the flow rate of stream and the thermal efficiency.
4 kgs of saturated liquid water is heated in a steam boiler at 2 mpa to an outlet temperature of 250 c. determine the
suppose that you want to design a column to support a uniform compressive stress stress naught. if the columns cross
Determine heat flow, Heat flow through a uniform wall will: a) increase as the thermal resistance increases b) increase as the thickness of the wall increases
the following table lists temperatures and specific volumes of ammonia vapor at two pressures p 50 psi
1. steam is contained in a closed rigid container with a volume of 1 m3. initially the pressure and temperature of the
water flowing in a horizontal 30 cm diameter pipe at 5 ms and 300 kpa gage enters a 90o bend reducing section which
the automobile shown has 1200kg mass with center of gravity at point g and all wheel have the same 0.34m radius if the
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