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A plane wall 15 cm thick has a thermal conductivity given by the relation k = 2.0 + 0.0005*T W/mK. where T is in Kelvin. If one surface of this wall is maintained at 150 C and the other at 50 C, determine the rate of heat transfer per square meter. Sketch the temperature distribution through the wall.
a fluid flows through an adiabatic device. at one end the velocity is 30 ms h 320 kjkg and s 0.695 kjkg k and at the
air at mass flow rate of 10 kgs at 1 atm 300 k point1 enters an adiabatic compressor and exists at 8 atm 600 k point 2.
the two blocks in the figureoscillate on a frictionless surface with a period of 1.7 s. the upper block just begins to
for certain liquid mu 6 times 10-5 lb.sft2 at 50 degree f and mu 1.5 times 10-5lb.sft2 at 180 degree f. make use of
a flat-plate collector 4m2 in area is tested during the night to measure the overall heat loss coefficient. water at
A wheel barrow is used to lift a 200 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from the wheel and axle to the effort is 5 ft. 5. What is the ideal mechanical advantage of the system?
How will notches and holes affect the deflection of a cantilever beam? ie. increase or decrease? (Please provide citations)
water flows at a rate of 20 ls through a horz pipe dia .03 m. the pressure drop across the valve in the pipe is
Draw the T-s diagram (hint: it would help to begin with a schematic of the cycle) and.
one u.s. gallon is equivalent to 0.1337 ft3 1 ft is equivalent to 0.3048 m and 1000ml are equivalent to m3. by using
the water level in a sealed tank is 26 m above the ground. the pressure in the air space above the water is 0.25 mpa
A short post AB has a commercially manufactured eyebolt screwed into its end. Three cables attahced to the eyebolt apply forces shown.
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