Which of the following properties of a fluid is responsible for offering resistance to shear ?
Correct answer: B. Viscosity
- A. Surface tension
- B. Viscosity
- C. Specific gravity
- D. All A., B., and C.
Explanation
Viscosity measures a fluid's resistance to the relative motion of adjacent layers, hence its resistance to shear. Surface tension acts mainly at liquid surfaces, while specific gravity measures density relative to a reference fluid.
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