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A long 8-cm-diameter steam pipe whose external surface temperature is 900C passes through some open area that is not protected against the winds. Determine the rate of heat loss from the pipe per unit of its length when the air is at 1 atm pressure and 100C and the wind is blowing across the pipe at a velocity of 50 km/h.</palign="left">
a dish of liquid water is placed on a table in a room. after a while all of the water evaporates. taking the water and
A 4 inch diameter composite shaft is subjected to the torques shown below. The sections are perfectly bonded rigidly together. Use GSTEEL= 11,600 ksi and GALUMINUM =4000 ksi. Determine the maximum shearing stress in the shaft and the magnitude of the..
if the resultant force .middotr is directed along anbspline measu red 75 clockwise from the positie x axis andnbspthe
Tests on a small scale tank 0.3 m in diameter show that a blending process between two miscible liquids (both aqueous with properties the same as water) is complete after 1 minute when using an impeller speed of 250 revolutions per minute. It is d..
Saturated ethylene glycol at 1 atm is heated by a horizontal chromium-plated surface which has a diameter of 200 mm and is maintained at 480 K. Estimate the heat- ing power requirement and the rate of evaporation.
Air is expanded in a poly tropic process from a pressure and volume of 350 kPa and 0.03 m3 until its volume is increased by 6.667 times. The poly tropic process has an exponent n = 1.5
Determine the potential energy of the stationary truck at the top of the incline and the kinetic energy of the rolling truck at the bottom of the incline just before impact, and its velocity.
1.find an example of a feedback control system from suggested textbooks. some of the examples can be given belowbulldc
the pressure inside a system varies inversely with the square of the system volume. determine work required to compress
a closed tank having a volume of 2ft3 is filled with 0.30 lb of a gas. a pressure gage attached to the tank reads 12
the total energy contained in a closed sealed rigid can of tuna is 3000 j with a total entropy of 2.8330 jk. the ground
Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups
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