C1 (a). A lubricating oil having the dynamic viscosity of 0.056 poise and specific gravity of 1.17. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3, (iii) the kinematic viscosity in stokes, and (iv) the specific volume in m2/kg. C1 (b). The capillary effect in a glass tube of 2.8 mm diameter, when immersed in (1) water and (2) mercury are 7.7 mm and -3.5 mm respectively. Calculate the value of surface tension in contact with air for water and mercury in N/m. Take, the contact angle for water =0° and mercury =130°.

C1 (a). A lubricating oil having the dynamic viscosity of 0.056 poise and specific gravity of 1.17. Calculate (i) the density of oil in kg/m3, (ii) the weight density of oil in N/m3, (iii) the kinematic viscosity in stokes, and (iv) the specific volume in m2/kg. C1 (b). The capillary effect in a glass tube of 2.8 mm diameter, when immersed in (1) water and (2) mercury are 7.7 mm and -3.5 mm respectively. Calculate the value of surface tension in contact with air for water and mercury in N/m. Take, the contact angle for water =0° and mercury =130°.

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,...

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