Which of the following fluids can be classified as non-Newtonian? 1. Kerosene oil 2. Diesel oil 3. Human blood 4. Tooth paste 5. Water Select the correct answer from the code given below:
- A1 and 2
- B3 and 4Correct
- C2 and 5
- D1 and 5
Solution
Concept
Types of fluids
Step-by-step solution
1. Water, kerosene and diesel are Newtonian. 2. Blood and toothpaste are non-Newtonian.
Explanation
Non-Newtonian fluids do not follow a linear τ–du/dy relation.
Why the other options are wrong
Options with 1, 2 or 5 contain Newtonian fluids.
Shortcut
Blood, toothpaste, paints = non-Newtonian.
Correct answer: B) 3 and 4