Determine the final temperature of a water-ice bath that is allowed to establish equilibrium in a thermal container. The water-ice bath is produced when 6 slugs of ice (specific heat = 0.46 BTU/lbm. °F) at 30 °F is mixed with 12 slugs of water (specific heat 1.0 BTU/ ibm.°F) at 140°F. (Note: 1 slug =32.2 lbm, and the heat of fusion is 144 BTU/lbm.) = Velocity measurements are made along a cross section of a flow field. The velocity at two points (2 cm apart) are 5.8 m/sec and 2.4 m/sec respectively. What is the magnitude of the shear stress at this location if the velocity profile is linear and the fluid is water at 20°C? The Pressure in a 200-cm diameter pipe 3,000 m long is 40 N/cm². Determine the amount of water that will enter the pipe if the pressure increases to 40 bars. Assume the pipe is rigid and does not increase its volume. The 25-cm diameter ram of a hydraulic lift slides in a 25.015-cm diameter cylinder. The viscosity of the oil filling the gap is 0.04 N. sec/m². If the speed of the ram is 16 cm/sec, determine the frictional resistance force when 3 m of the ram is engaged in the cylinder. Assume concentric motion and the velocity distribution in the gap is linear. = Mercury (S.G. 13.6) is used in a glass tube to measure pressure. If the surface tension is 0.67 N/m and the contact angle ranges from 40° to 50°, determine the minimum diameter of the tube so that the measurement error is less than 0.5 mm.