Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

A. Equal to

B. One-fourth

C. One-third

D. One-half

A. $$\frac{{\pi {\text{w}}{\omega ^2}{{\text{r}}^2}}}{{4{\text{g}}}}$$

B. $$\frac{{\pi {\text{w}}{\omega ^2}{{\text{r}}^3}}}{{4{\text{g}}}}$$

C. $$\frac{{\pi {\text{w}}{\omega ^2}{{\text{r}}^4}}}{{4{\text{g}}}}$$

D. $$\frac{{\pi {\text{w}}{\omega ^2}{{\text{r}}^2}}}{{2{\text{g}}}}$$

A. Venturimeter

B. Orifice plate

C. Hot wire anemometer

D. Pitot tube

A. 25 kN/m²

B. 245 kN/m²

C. 2500 kN/m²

D. 2.5 kN/m²

A. Radial

B. Axial

C. Centrifugal

D. Vortex

A. Directly as fan speed

B. Square of fan speed

C. Cube of fan speed

D. Square root of fan speed

A. $$\frac{{\text{D}}}{{2{\text{d}}}} + 5$$

B. $$\frac{{\text{D}}}{{2{\text{d}}}} + 10$$

C. $$\frac{{\text{D}}}{{2{\text{d}}}} + 15$$

D. $$\frac{{\text{D}}}{{2{\text{d}}}} + 20$$

A. Moving

B. Viscous

C. Viscous and static

D. Viscous and moving

A. Gravitational force is equal to the up-thrust of the liquid

B. Gravitational force is less than the up-thrust of the liquid

C. Gravitational force is more than the up-thrust of the liquid

D. None of the above

A. 0.0116 stoke

B. 0.116 stoke

C. 0.0611 stoke

D. 0.611 stoke