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Determine the tension in the cables DE and BC and the components of reaction of the smooth collar at A. The sign weighs 75 lb.
determine (a) the reaction at end A and B , (b) the minimum required cofficient of static friction at end A
A piston-cylinder device contains 12 kg of saturated R-134a vapor at 3.2 bars. An electric source supplies 8 A current to a resistor within the cylinder for 4 minutes and there is heat transfer of 400 kJ to the system. During these energy interaction..
A high-speed boat is powered by a water jet pump engine, similar to a jet engine on airplanes. The engine takes in water at the bow through a tube with diameter 1 ft, and the water is pumped out the stern of the boat through a 3-in diameter tube. The..
consider a spark ignition combustion engine with two possible configurartion for turbocharging. configuration a is
a viscous liquid density of 1180 kgm3 and dynamic viscosity of 0.0045 n sm2 flows at a volumetric rate of 12.6 mls
Consider a single crystal of some hypothetical metal that has the BCC crystal structure and is oriented such that a tensile stress is applied along a [121] direction. If slip occurs on a (101) plane and in a left-bracket Modifying Above 1 With bar 11..
the overall volume compression ratio of a reversed carnot cycle working with air as a refrigerant is 10. the
An engine burns 200 cubic feet per hour of natural gas with a heating value of 1000 btu/cubic feet. The engine produces 39.1 horsepower for this test. What is the average efficiency for this test? At what rate (btu/h) is heat rejected from this engin..
air in contained in a vertical cylinder fitted with a frictionless piston and two sets of stops. the volume is .05m3
Polymer fracture is highly dependent on the testing conditions, such as temperature and strain rate, but is not affected by the nature of bonding of the molecular chains. For metals, fracture only occurs along the boundaries created by the differentl..
the reynolds number re is a dimensionless number used in fluid mechanics and is defined as repvdu where p is the fluid
Ideal Otto and Brayton cycles are operating from sea level atmospheric inlet conditions and a pressure ratio 15:1. Find the thermodynamic efficiencies (nth) for these two cycles. There should be two answers
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