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Mechanical Engineering · Q598

Hydraulics And Fluid Mechanics

Engineering and GATE · Mechanical Engineering · question 598

Q598

Viscosity of water in comparison to mercury is

A.
Higher
B.
Lower
Answer
C.
Same
D.
Higher/lower depending on temperature

Answer: Option B

Solution

Answer: Option B
Solution:
Viscosity of water in comparison to mercury is Lower.
Viscosity: It describes the internal friction of a moving fluid. A fluid with large viscosity resists motion because its molecular makeup gives it a lot of internal friction.
Mercury dynamic viscosity at temperature 300K is 1.53
Water dynamic viscosity at temperature 300K is 0.89
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