its penetration value is 8 mm

its penetration value is 10 mm

its penetration value is 8 to 10 mm

its penetration value is 8 to 10 cm

same viscosity

viscosity in increasing order from RC-2 to SC-2

viscosity in decreasing order from RC-2 to SC-2

none of the above

RT-1

RT-2

RT.3

RT-5

less-than 40°C

greater than 40°C

equal to 40°C

none of the above

gasoline

kerosene oil

light diesel

heavy diesel