The absolute viscosity of the oil can be given as _____________(a) ŋ = k{(t1D2)/(t2D1)}(b) ŋ = k{(t1D2)+(t2D1)}(c) ŋ = k{(t1D2)(t2D1)}(d) ŋ = k{(t1D2)-(t2D1)}I have been asked this question by my school principal while I was bunking the class.Origin of the question is Viscosity and Viscosity Index in portion Lubricants of Applied Chemistry

The absolute viscosity of the oil can be given as _____________(a) ŋ

1.	The absolute viscosity of the oil can be given as _____________(a) ŋ = k{(t1D2)/(t2D1)}(b) ŋ = k{(t1D2)+(t2D1)}(c) ŋ = k{(t1D2)(t2D1)}(d) ŋ = k{(t1D2)-(t2D1)}I have been asked this question by my school principal while I was bunking the class.Origin of the question is Viscosity and Viscosity Index in portion Lubricants of Applied Chemistry
Answer» Right OPTION is (a) ŋ = k{(t1D2)/(t2D1)} Explanation: By PERFORMING the redwood VISCOMETER experiment, we can know the absolute viscosity of the oils. The absolute viscosity of the oils can be given by ŋ=k{(t1D2)/(t2D1)} where, t1=time in SECONDS, taken for the flow of the 50 c.c of oil, t2=time in seconds, taken for the flow of 50 c.c standard oil or LIQUID. D1=specific gravity of the oil to be tested. D2=specific gravity of the standard liquid. K = arbitrary constant.

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