Lubricants- Introduction, Types

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As per the trick Unknown viscosity value is given by *

1 point

As per the trick High viscosity index value in the numerical is given by *

1 point

Viscosity of Gulf oil is denoted by ___ *

1 point

Viscosity of oil under test is denoted by ___ *

1 point

Viscosity of Pennsylvanian oils is denoted by ___ *

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Full name of Participant *

An oil of unknown viscosity index has saybolt universal viscosity of 60 Sec. at 2100F and 600 Sec. at 1000F. The high viscosity index standard (i.e. Pennsylvanian) oil has saybolt viscosity of 60 Sec. at 2100F and 500 Sec. at 1000F. The low viscosity index standard (i.e. Gulf) oil has a saybolt universal viscosity of 60 Sec. at 2100F and 800 Sec. at 1000F. Calculate the viscosity index of unknown oil.(Refer the video for answer). *

1 point

61.67

66.67

60.60

76.66

Viscosity is rate of flow of liquid. *

1 point

True

False

As per the trick Low viscosity index value in the numerical is given by *

1 point

Viscosity index is calculated by formula ___ *

1 point

True

False

Viscosity index is Rate of flow of liquid with temperature *

1 point

True

False

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