Water (k = 0.454 W/m.K, Pr = 4.83, v= 0.724x 10-6 m2/s, Cp=4178 J/kg.K, p= 1006 kg/m3) enters a 5-mm- diamter and 13-m-long tube at 45\\\\deg C with a velocity of 0.27 m/s. the tube is maintained at a constant temperature of 5\\\\deg C. The required length of the tube in order for the water to exit the tube at 25\\\\deg C is: O a. 13.0 m O b. 1.55 m O c. 2.96 m O d. 2.37 m O e. 1.72 m Water (k=0.454 W / m . K, Pr=4.83, v=0.724 \\\\times 10^-6 m^2 / s, C_p=4178 J / kgK, \\\ ho =1006 kg / m^3) enters a 5-mm- diamter and 13-m-long tube at 45^C with a velocity of 0.27 m / s. the tube is maintained at a constant temperature of 5^C. The required length of the tube in order for the water to exit the tube at 25^C is: a. 13.0 m b. 1.55 m c. 2.96 m d. 2.37 m e. 1.72 m