# Fluid Dynamics Questions and Answers PDF Download eBook - 3

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"Viscosity of the ethanol at 30 °C is" Multiple Choice Questions (MCQ) on fluid dynamics with choices *1, 0.801, 1.6, and 6.29* for college entrance exams. Practice viscous drag and strokes law quiz questions for jobs' assessment test and online courses for best SAT prep courses online. viscous Drag and Strokes Law Video

## Fluid Dynamics Questions and Answers PDF Download eBook

MCQ: Viscosity of the ethanol at 30 °C is

- 0.801
- 1
- 1.6
- 6.29

B

MCQ: Volume of droplet having radius 0.1 m will be

- 4.2 × 10
^{-3} - 2 × 10
^{-3} - 5.2 × 10
^{-3} - 4 × 10
^{-3}

A

MCQ: Water flowing through hose having diameter 1 cm at speed of 1 m s^{-1}, if water is to emerge at 21 m s^{-1}, diameter of the nozzle should be

- 0.2 cm
- 0.1 cm
- 0.02 cm
- 0.01 cm

A

MCQ: The change in potential energy is measured as the difference of

- mgf
- mgh
- mg
- mgt

B

MCQ: If the fluid has constant density, it is said to be

- thick
- in-viscous
- compressible
- incompressible

D