Mathematically, viscosity index can be given by __________(a) {(L+U)/(L-H)}*100(b) {(L -U)/(L+H)}*100(c) {(L+U)/(L+H)}*100(d) {(L -U)/(L-H)}*100This question was posed to me by my school teacher while I was bunking the class.This interesting question is from Viscosity and Viscosity Index in portion Lubricants of Applied Chemistry

Mathematically, viscosity index can be given by __________(a) {(L+U)/(

1.	Mathematically, viscosity index can be given by __________(a) {(L+U)/(L-H)}100(b) {(L -U)/(L+H)}100(c) {(L+U)/(L+H)}100(d) {(L -U)/(L-H)}100This question was posed to me by my school teacher while I was bunking the class.This interesting question is from Viscosity and Viscosity Index in portion Lubricants of Applied Chemistry
Answer» The correct answer is (d) {(L -U)/(L-H)}100 The BEST I can explain: The viscosity index can be GIVEN by {(L -U)/(L-H)}100. Here, the U=viscosity at 100F OIL under the test. V=viscosity at 100F of standard coast oil having V.I zero. H=viscosity at 100F of pennsylvanian CRUDE oil having V.I 100

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