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The supporting beam for a maintenance access platform strip spans 7 m and is to be simply supported at 1 m from each end as sketched in Figure 1. Assume that the beam could be subject to a distributed load of 2 kN/m and one point load of 6 kN. The distributed loading may or may not act throughout the length of the beam, and the point load may be applied anywhere. Determine the worst possible values for the sagging and hogging moments in the beam. You must justify your choice of loading.
cells need to be close to a blood vessel to obtain sufficient oxygen. model the tissue surrounding a blood vessel as a
a fully loaded plane weighs 200000 lbf as it lands at a speed of 125 mph. the mass of the brakes on the plane is 200
a piston held by a pin in an insulated cylinder shown in figure above right contains 2 kg water at 100c quality 98. the
An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100°C. If the cans are to be cooled to 40°C before leaving the autoclave, how much cooling water is required if it enters at 15°C and leaves at 35°C? The speci..
calculate the speed of an iceberg driven by wind on its exposed not submerged surface. model the iceberg as a cylinder
consider a person standing in a room at 18c. determine the total rate of heat transfer from the person if the exposed
A 12 Volt battery is charged by supplying 3 Amps over a period of 6 hours. What is the change of energy stored in the battery if the battery loses 400kJ of heat during charging.
an isolated system consists of a closed copper vessel of mass 0.1 kg containing 1 kg of liquid water each initially at
assume that the velocity v of fall of an object depends on the height h through which it falls the gravity g and the
a mercury manometer ?13600 kgm3 is connected to an air duct to measure the pressure inside. the difference in the
it is desired to produce refrigeration at -25f. a heat source is available at 500f and the ambient temperature is 80f.
the carnot cycle is defined as having a certain specific first step the isothermal expansion of a gas. can a carnot
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