(a). A lubricating oil having the dynamic viscosity of 0.05 poise and kinematic viscosity of 0.12 stokes. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3,(iii) the specific gravity, and (iv) the specific volume in m2/kg. (1.5 Marks) (b). Calculate the capillary effect in mm in a glass tube of 3.2 mm diameter, when immersed in (1) water (2) mercury. The values of surface tension in contact with air are 0.0769 N/m and 0.54 N/m respectively. The contact angle for water =0° and mercury =130°. (1 Mark) (Enter only the values in the boxes by referring to the unit given in the bracket. Do not send the hand written answer sheets to my mail) 1(a).(i).The density of oil in kg/m3 (0.25 Mark) 1(a). (ii) the weight density of oil in N/m3 (0.5 Mark) 1(a). (iii) the specific gravity (0.25 Mark) 1(a). (iv) the specific volume in m³/kg (0.5 Mark) 1 (b). 1.The capillary effect (water) in mm (0.5 Mark) 1 (b). 2.The capillary effect (mercury) in mm (0.5 Mark)

(a). A lubricating oil having the dynamic viscosity of 0.05 poise and kinematic viscosity of 0.12 stokes. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3,(iii) the specific gravity, and (iv) the specific volume in m2/kg. (1.5 Marks) (b). Calculate the capillary effect in mm in a glass tube of 3.2 mm diameter, when immersed in (1) water (2) mercury. The values of surface tension in contact with air are 0.0769 N/m and 0.54 N/m respectively. The contact angle for water =0° and mercury =130°. (1 Mark) (Enter only the values in the boxes by referring to the unit given in the bracket. Do not send the hand written answer sheets to my mail) 1(a).(i).The density of oil in kg/m3 (0.25 Mark) 1(a). (ii) the weight density of oil in N/m3 (0.5 Mark) 1(a). (iii) the specific gravity (0.25 Mark) 1(a). (iv) the specific volume in m³/kg (0.5 Mark) 1 (b). 1.The capillary effect (water) in mm (0.5 Mark) 1 (b). 2.The capillary effect (mercury) in mm (0.5 Mark)

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

Find the kinematic viscosity of an oil having density of 980kg/m^2 when at a certain point in the oil, the shear stress is 0.25 Pa and the velocity gradient is 0.3 m/s.
Please answer only when you are sure and give correct answer Thedensity of an oil at 23°C is 750kg / (m ^ 3) Find its relative density and kinematic viscosity if the dynamic viscosity is 5 * 10 ^ - 3 * kg / m * s .
A vertical cylinder of diameter 16 cm rotates concentrically inside anothercylinder of diameter 16.1 cm. The clearance space between the cylinders is filledwith a liquid of unknown viscosity which has a linear viscosity profile and bothcylinders are 24 cm high. Find the viscosity of the liquid if a torque of 10 Nm isrequired to rotate the inner cylinder at a speed of 50 rpm.
An oil film of thickness 1.5 mm is used for lubrication between asquare plate of size 0.9 m × 0.9 m and an inclined plane having anangle of inclination 200. The weight of the square plate is 392.4 N andit slides down the plane with a uniform velocity of 0.2 m/s. Find thedynamic viscosity of the oil
Estimate the capillary depression for mercury in a glass capillary tube 2 mm in diameter. Use σ = 0.514 N/m and θ = 140°. The answer is h=5.9mm (Our subject is FLUID MECHANIC, all I need is a clear solution) thank you
C1 (a). A lubricating oil having the dynamic viscosity of 0.055 poise and kinematic viscosity of 0.17 stokes. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3,(iii) the specific gravity, and (iv) the specific volume in m3/kg. C1 (b). Calculate the capillary effect in mm in a glass tube of 4.4 mm diameter, when immersed in (1) water (2) mercury. The values of surface tension in contact with air are 0.0737 N/m and 0.54 N/m respectively. The contact angle for water =00 and mercury =1300. (Enter only the values by referring to the unit given. Also, upload the handwritten answers in the link provided) C1(a).(i).The density of oil in kg/m3 C1(a). (ii) the weight density of oil in N/m3 C1(a). (iii) the specific gravity C1(a). (iv) the specific volume in m3/kg C1 (b). 1.The capillary effect (water) in mm C1 (b). 2.The capillary effect (mercury) in mm
Find kinematic viscosity of a liquid in stokes whose specific gravity is 0.95 and dynamic viscosity is 0.12 poise.
The Ekman number, Ek, arises in geophysical fluiddynamics. It is a dimensionless parameter combining seawaterdensity ρ , a characteristic length L , seawaterviscosity μ , and the Coriolis frequency Ω sin φ , where Ωis the rotation rate of the earth and φ is the latitude angle.Determine the correct form of Ek if the viscosity is in thenumerator.
When a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.
which fluid mechanics principle explained in terms of the law of conservatiiion energy? a. archimedes b. bernoulli's c.Pascal's d. Poiseuille's
In Fig. both fluids are at 20 ° C. If surface tensioneffects are negligible, what is the density of the oil,in kg/m 3 ?
Fluid Properties- The difference in pressure between theinside and outside of a soap bubble wasobserved to be 1.6 N/m. If the surfacetension of the liquid is 40 dyne/cm, what will be the diameter of the bubble in meters?