Month: March 2019

A. Specific gravity
B. Melting point
C. Viscosity
D. Penetration number

A. Low flash point
B. High breathing loss
C. Both A. and B.
D. Neither A. nor B.

A. 1
B. 4.08
C. 0.408
D. 40.8

A. Diesel
B. Gasoline
C. Naphtha
D. Atmospheric residue

A. Low smoke point
B. High smoke point
C. High aromatics content
D. Low paraffins content

A. Sulphuric acid
B. Nickel
C. Silica gel
D. Alumina

A. An exothermic reaction
B. An endothermic reaction
C. Favoured at very low temperature
D. None of these

A. Less than 90% promotes polymerisation
B. More than 98% promotes cracking
C. Both A. and B.
D. Neither A. nor B.

A. pH value
B. Water percentage
C. Temperature
D. All A., B. and C.

A. 100
B. 0
C. 70
D. ∞