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A circular bar of radius r = 1 cm is placed horizontally between two vertical supports that are separated by distance L = (1.1x10^0) m. The bar is made of silicon nitride in manufactured form, without any intentional scratches or cracks or other stress concentrators.
Estimate the largest possible force (in N) that can be applied before the bar breaks. Assume the maximum flexural strength reported for this material.
consider five kilograms of water at 10degc and 75 quality in a closed container. the water is compressed isentropically
a large sphere i25mr2 rolls without slipping pure rolling across a horizontal surface. the sphere has a constant
a bike rider has a frontal area of 0.4 m2 and a drag coefficient cd of 0.9. if he is pedaling at 80 rpm. what average
Steam at 100 psia, 500oF is throttled to 20 psia. Changes in kinetic energy are negligible for this process. Determine the final temperature and specific volume of the steam.
hot exhaust gases leaving an internal combustion engine at 400oc and 150 kpa at a rate of 0.8 kgs is to be used to
the crate has a mass of 150kg and the coefficients of friction between it and the sloping dock are mus 0.5 and muk
Questions set on Entropy, Exergy, Cycles, Otto Cycle, Rankine Cycle. In a coal fired thermal power station, indicate where the exergy contained in the coal is destroyed. For each exergy destruction mechanism, explain whether there is a small..
The uniform rectangular plate is released from rest in the position shown. Determine the maximum angular velocity during the ensuing motion. Friction at the pivot is negligible.
a liquid film is suspended on a rectangular wire frame. the length of the movable wire is 2 in. and the other dimension
The humidity of air can be determined by use of two different thermometers; a 'dry bulb' thermometer and a 'wet bulb' thermometer. explain how these thermometers can be used to estimate the amount of water vapour in the air.
The assessment to design a substation and the associated protection System.
Use cold air properties to find the highest cycle pressure, the specific energy added by combustion, and the mean effective pressure.
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