Pick out the wrong statement ?

Petroleum Refinery Engineering 16/12/2021

A. Pensky-Marten apparatus is used for determining flash points above 50°C
B. Characterisation factor of paraffinic crude oil is more than 12
C. Abel apparatus is used for determining flash points below 50°C
D. An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index

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