Question

Viscosity is the most important property in the ________________

• A. Travel of a bullet through air
• B. Water jet issuing from a fire air
• C. Formation of soap bubbles
• D. Flow of castor oil through a tube

Answer 1

Answer:

D. Flow of castor oil through a tube

Viscosity is the measure of internal friction or resistance to flow. It is the most important property in the flow of castor oil through a tube, as it provides a measure of the thickness of the oil. Therefore, the correct answer is option 4.