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calculate the total metabolic heat generated by a singing canary taking into account heat transfer by radiation, convection and exhaling air. The air temperature is 20`C, canary's body internal and surface temperature is 33`C, external body surface convective heat transfer coefficient is 25.2 W/m^2 .K, temperature difference between the inhaled and exhaled air is 4.3`C, the ventilation rate is 0.74 cc (7.4 *10^-7 m^3) of air per second, specific heat of air is 1.0066 kJ/kg.K and density of air is 1.16 kg/m^3. Assume the canary's body to be a cylinder with 7 cm diameter and 9 cm length, and heat exchange is from the side as well as the top and bottom of cylinder.
Calculate 1) the net rate of heat lost by radiation, assuming heat gained by the bird through radiation from the surroundings is 11.5 W and emissivity is 1;
2) rate of heat transferred by convection to the surrounding air;
3) rate of heat transferred in the exhaling air without considering any internal evaporation;
4) total metabolic power.
Determine the magnitudes of the additional loads that must be applied at B and F if the resultant of all six loads is to pass through the center of the mat.
A building frame is made with a 10" square steel box shape that has an area of 15 in^2 and a moment of inertia I =225 in^4. The frame consists of pinned supports at points A and F and an internal pin at point D.
Testing has already been completed on the water and the Usage Rate for the carbon is 0.4 pounds of carbon per 1000 gallons of water treated. The required EBCT is 20 minutes and the carbon longevity must be at least 6 months.
A fluid flowing in a pipe 30cm in diameter has a uniform velocity of 4m/s. The pressure at the center of the pipe is 40KPa, and the elevation of the pipe's centerline above an assumed datum is 4.5m. Compute the total energy per unit weight of the ..
The two shafts in a speed-reducer unit are subjected to couples of magnitude M1 = 18 N · m and M2 = 7.5 N · m, respectively.
If all the posts have the same original lenth before they are loaded, determine the average normal stress developed in each post when post C is heated so that its temperature is increased by 20 degrees F.
To float a 160 pound man using helium balloons (assume 0.52 cubic feet per inflated balloon). How many balloons would it take? Assume density of air is 1.29 kg/cubic meter and the density of helium is 0.179 kg/cubic meter.
Use the Bernoulli equation to describe how this manometer can be used to measure the flow rate through the meter.
Write a user friendly computer program to design torsion reinforcement in rectangular and flanged beams, and plot the cross-sectional reinforcement details on a graphic plotter
a freeway exit ramp has a single lane and consists entirely of a horizontal curve with a central angle of 90 degrees and a length of 628 ft. if the distance cleared from the centerline for sight distance is 19.4ft, what design speed was used
a 6 inch soil cement base and an 8 inch crushed stone subbase, which truck will cause more pavement damage?(assume drainage coefficients are 1.0)
A consolidated-drained triaxial shear test on a normally consolidated clay yielded a drained friction angle of 28 degrees. If the confining pressure during the test was 15 psi, what was the major principal stress at failure.
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