Water at 600F flows through a copper tube of 1 inch inside diameter (ID) at aspproximately 1 ft/s. Determine the heat transfer to the water per foot of tube length if the inside surface temperature of the tube is 180ºF.
What will be an ideal response?
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Refer to Figure 10-16 as a particular arrangement for a cooling coil of an air conditioning system. If water condensate from the humid air passing around the vertical tubes is 20 g/s evenly distributed over the 12 tubes, determine the Reynolds number that describes the condensate flow down the tubes. Then estimate the convective heat transfer coefficient and the heat transfer in watts.
What will be an ideal response?
A coil of 160 turns and area 0.20 m2 is placed with its axis parallel to a magnetic field of 0.40 T. The magnetic field changes from 0.40 T in the x-direction to 0.40 T in the negative x-direction in 2.0 s
If the resistance of the coil is 16 ?, at what rate is power generated in the coil?
If the Moon is suddenly and inexplicably moved to four times its current distance from Earth, its orbital speed ________.
A. increases by a factor of 2 B. decreases by a factor of 4 C. increases by a factor of 4 D. decreases by a factor of 2 E. is unchanged due to its low mass
An object with a mass of 10 kg is moving along a horizontal surface. At a certain point it has a speed of 28 m/s
If the coefficient of friction between the object and the surface is 0.40, how far will the object go before it comes to a stop? Use g = 10 m/s2. A) 98 cm B) 61 m C) 98 m D) 23 m E) 61 cm