Answered: In liquid, viscosity is . proportional…

In liquid, viscosity is . proportional with the temperature. O nonlinearly O inversely directly O exponentially Which of the following is the correct relation between centroid

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

See similar textbooks

Similar questions

1.The density p Determine how the density varies with pressure along the depth h. The density at the surface of the fluid is of a fluid varies with depth h, although its bulk modulus K can be assumed constant. Po. 2.A circular disc of diameter (D) is slowly rotated with angular velocity of ( wi) in a liquid of large viscosity (u) at a small distance (h) from another moving disc at counter clockwise rotation of (w2), as shown in figure (2). Derive an expression of torque (T) necessary to this case. D Figure (2)
Solve the problem completely. Show the complete solution.
1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per -- in any direction along the surface the surface tension. 4. The value of - specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates- 6. A truck is filled with gasoline. If the container (tank) on the truck undergoes a - - is applied. - but also to specify its location on the body. then the liquid surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.
5. The bulk modulus of compression......... (a) is independent of temperature of pressure and viscosity (b) increases with the pressure (c) is independent (d) has a dimensionless unit 6. If a non-uniform solid body weighs 500 N in air and when it is completely submerged in water its weighs is 300 N. If it has a volume of 0.0136 m³ then its specific gravity is.......... (c) 2.5 (d) 3.0 (e) none of these (a) 1.5 (b) 1.7 7. A flat plate of area 1.5 m² is pulled with a speed of 0.4 m/s relative to another plate with a distance of 0.15 mm clearance between them. For a fluid viscosity of 0.1 Pa.s, the power required to maintain this speed is (a) 160 W (b) 100 W (c) 200 W (d) 400 W 8. A solid wooden cylinder (SG = 0.6) has diameter of 0.8 m and a height of 3 m, when the cylinder is floating vertically on its base in water then the submerged height of the cylinder is. (a) 1.1 m (b) 1.4 m (c) 1.8 m (d) 2.6 m 9. A wooden cube (SG=0.6), its base 5 cm x 5 cm and has 10 m height, floats vertically…
Q1: Apply appropriate solution method using math principles to prove that "the pressure at a point in a fluid has the same magnitude in all directions". Support your answer with sketch. Answer: Px Pz = Pn P are the mean pressures at the three surfaces in the x- and z-directions. Q2: Formulate the issue and identify key variables to prove that [AP = P2 - P, = pg Az = y, Az], where y, and p are the specific weight and density of the fluid, respectively. Az is the vertical distance. Support your answer with sketch. Q3: From fluid mechanics science perspective, define the center of gravity and the center of pressure. Q4: Identify the hydrostatic force acting on the top surface of a submerged rectangular plate by applying principles of engineering for the following cases: 1 tilted plate, (2 vertical plate, and 3 horizontal plate. Support your answer with sketch. Q5: By applying principles of fluid mechanics science, define the "rigid-body" and identify its features. Q6: Formulate the issue…
In Figure below all fluids are at 20 deg.C. Determine pressure at point B, if pressure at point A is 150 kPa and weight of air is neglected. Use the table below for the densities at 20 deg.C. Liquid p. kg/m Kerosene - Ammonia 608 Benzene 881 Air Carbon tetrachloride 1590 Benzene Ethanol 789 Ethylene glycol Freon 12 B 1117 40 cm 9 cm 1327 20 cm Gasoline 680 14 cm Glycerin Kerosene 1260 t8 cm 804 Mercury- Water Mercury Methanol 13,550 791 SAE 10W oil 870 SAE 10W30 oil 876 SAE 30W oil 891 SAE 50W oil 902 Water 998 Seawater (30%e) 1025
Z= 25. Shown in fig. below, fluid A is oil (S.G. 0.82) and fluid B is salt solution (S.G. 1.10), = 21.5 in, y = 7.0 in. The local acceleration of gravity and barometric pressure and both standard. Compute the pressure at point x if the specific gravities are relative to 62.4 lbm/ft³ water. 10 Fluid A open Fluid B
Calculate the pressure at the bottom of a 6.5 m diameter spherical tank filled with oil. The top of the tank has a vent connected to a pressurized environment of 1 atm. The density of oil is 0.922 g / cm3. = ..... kPa.
Calculate the capillary rise in cm in a glass tube of 3.0 mm diameter when immersed vertically in water. Take the surface tensions for water as 0.52 N/m in contact with air. a. 0.966 b.0.456 c. 0.1432 d. 0.3275
A. The hydrostatic force due to linseed oil F1.B. The hydrostatic force due to castor oil F2. C. The hydrostatic force due to water. D. The net hydrostatic force acting on the gate Fnet
Engineering Fluid Mechanics. Answers should be same as the other picture
1. The deformation of the fluid will continue as long as the 2. When designing gates, vessels, dams or other bodies that are submerged in a liquid, it is important not only to estimate the - 3. The surface tension is the tensile force per --- in any direction along the surface the surface tension. 4. The value of --- specifies whether the fluid can be assumed compressible or incompressible. 5. Archimedes' principle indicates --- 6. A truck is filled with gasoline. Ifr the container (tank) on the truck undergoes a - , then the liquid is applied. --- but also to specify its location on the body. surface will begin to rotate clockwise about the center of the container and will eventually maintain a fixed tilted position.