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A spherical, underwater instrument pod used to make soundings and to measure conditions in the water has a diameter of 85 mm and dissipates 300 W.
(a) Estimate the surface temperature of the pod when suspended in a bay where the current is 1 m/s and the water temperature is 15°C.
(b) Inadvertently, the pod is hauled out of the water and suspended in ambient air without deactivating the power. Estimate the surface temperature of the pod if the air temperature is 15°C and the wind speed is 3 m/s.
a horizontal aluminum rod 1 cm in diameter and 10 cm long has both ends maintained at 363 k. air at 293 k and 1 atm
an ideal gas pv mrt is heated at constant volume until its temperature is doubled and then cooled at constant pressure
If we want to determine the number of values of x that are greater than zero we can use code similar to the following x0=x ./abs(x); % converts the array elements to ±1
When the part is made from 4320 steel, the hardness is only HRC 32. Determine the hardness if the part were made under identical conditions, but with the following steels. Which, if any, of these steels would be better choices than 4320?
air is compressed in the compressor of a turbojet engine. air enters the compressor at 270k and 58 kpa and exits the
Data encountered in solving problems often do not fall exactly on the grid of values provided by property tables, and linear interpolation between adjacent table entries becomes necessary. Using the data provided here, estimate
a steam power plant operates near a river triver27degc. and uses the river as a temperature reservoir into which it
in this piston-cylinder device d1 20 cm-diameter d2 10 cm-diameter and the initial volume of chamber 2 is 0.1 m3.
problem 1a horizontal steel pipe having a diameter of 5 cm is maintained at a temperature of 50degc in a large room
Electric field of infinite surface. Calculate the electric field intensity in free space at a distance d above an infinite plane charged with a uniform surface charge density p,. Show that the electric field intensity is independent of d and pe..
on a given day a barometer at the base of the washington monument reads 29.97 in. of mercury. what would the barometer
A turbine is fitted in the pipeline to recover the excess energy that is available, over that required to transfer the liquid from one vessel to the other. Estimate the power that can be taken from the turbine, when the liquid transfer rate is 500..
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