b.. . When a sphere of 0.25 mm diameter and relative density 5.54 is dropped in water at 25°C it witi attain a constant velocity of 0.07 m/s. What relative density must a 2.5 mm sphere have so that when it is dropped in crude oil (25°C) the two flows will be dynamically similar when the terminal velocity is attained?

b.. . When a sphere of 0.25 mm diameter and relative density 5.54 is dropped in water at 25°C it witi attain a constant velocity of 0.07 m/s. What relative density must a 2.5 mm sphere have so that when it is dropped in crude oil (25°C) the two flows will be dynamically similar when the terminal velocity is attained?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A small funnel in the shape of a cone is being emptied of fluid at the rate of 15 cubic centimeters per second. The height of the funnel is 23 cm and the radius at the top is 3.38 cm. How fast, in cm/sec, is the fluid level dropping when the level stands 6.94 cm above the vertex of the cone?
A ship with cargo weighs 44,480 kN and draws 7.60m of salt water. On crossing a bar at the entrance to a river her draft is decreased by 30 cm by the discharge of 2670 kN of water ballast. In going up the river to fresh water, 445 kN of coal burned. What will her draft be then and how much ballast must be required to increase it by 30 cm? Assume that the sides of the vessel near the water surface are vertical.
What height of a column of a special gage liquid (sp. gr. = 2.95) exert the same pressure as a column of oil 4.5 meters high (sp.gr. = 1.19)? a. 1.58 m b. 1.28 m c. 1.85 m d. 1.82 m
A right circular cone is 50mm in radius and 170mm high and weighs 2.1 N in air. It is placed to float in ethanol (sg = 0.79) with its vertex down ward Calculate the depth of submergence of the cone in mm and How much force is required to push this cone vertex downward into the ethanol so that its base is exactly flushed at the surface in N?
A vessel conataining oil (SG=0.8) is accelerated on a plane 17 degrees with the horizontal at 2 m/s^2. Determine the inclination of the oil surface when the motion is upwards.
A slurry behaving as a pseudoplastic fluid is flowing through a smooth round tube having an inside diameter of 5 cm at an average velocity of 8.5 m/s. The density of the slurry is 900 kg/m3 and its flow index and consistency index are n=0.3 and k=3.0Ns0.3/m2. Calculate the pressure drop for 50 m length of vertical pipe with the flow moving against gravity.
A 2.5-meter square vertical tank 4 m high contains 3.5 m of oil (s.g. = 0.82) [reckoned from the base of the tank]. A 100 mm diameter circular sharp-edged orifice is located 50cm above its bottom. Assume c = 0.64, how long will it take to lower the level of oil in the vertical tank to 1 m [reckoned from the base of the tank] after opening the orifice?
A time independent non Newtonian fluid of density 0,00085kg/cm3 flows in a cylindrical pipe with a mean linear velocity of 1.70 m/s at steady state. The pipe is 3m long with an inside diameter of 0.075m. The point pipe consistency coefficient is 1.52 (N/m2)s0.3 and the flow behavior index is 0.3. Determine: a) The point values of the apparent viscosity. b) Reynolds Number. c) Pressure drop in Pascals.
A vertical circular stack 30 m high converges uniformly from a diameter of 6 m at the bottom and 4.5 m at the top. Gas with a unit weight of 0.12 Nper cubic meter enters the bottom of the tank with a uniform velocity of—assume values with decimals between 3 to 4 m per second—enters thestack. The unit weight increases by 7.5 percent every 2 meters. Find the velocity of flow at every 5 meters along the stack. Please add the figure , thank you!
A concrete dam is going to be built on a silty/clayey sand stratum as shown in Figure 1 to provide a water reservoir. The total length of the dam is 100 m. What is the minimum factor of safety against boiling at the exit point? A. 0.95 B. 1.41 C.1.73
A series of three parallel pipes connect the bottom of two reservoirs. All pipes are made of the same material with a ks value of 0.052. The pipe lengths are 70, 65 and 100 meters and the diameters are 0.4, 0.35 and 0.5 m, respectively. The change in head between the two reservoirs is 20 meters. Determine the velocity in each pipe.
Please show me how to do this problem using the stokes settling velocity equation. Thank you How is water with 120 µm-diameter particles clarified using a settling tank that is 32 m long, 2.1 m wide, and 1.6 m deep? The dynamic viscosity of water is 1.3 x 10-2 g/cm.sec. and the density of the particles is 2.5 g/cm3. What flow rate can be permitted at its maximum to ensure that all the particles land in the tank?