Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

A. The bodies A and B have equal stability

B. The body A is more stable than body B

C. The body B is more stable than body A

D. The bodies A and B are unstable

A. $$\frac{{{\text{Dynamic viscosity}}}}{{{\text{density}}}}$$

B. $${\text{Dynamic viscosity}} \times {\text{Density}}$$

C. $$\frac{{{\text{Density}}}}{{{\text{Dynamic viscosity}}}}$$

D. $$\frac{1}{{{\text{Dynamic viscosity}}}} \times {\text{Density}}$$

A. Real fluid

B. Ideal fluid

C. Newtonian fluid

D. Non-Newtonian fluid

A. One-half

B. One-third

C. Two-third

D. None of these

A. Pressure head + kinetic head + potential head

B. Pressure head - (kinetic head + potential head)

C. Potential head - (pressure head + kinetic head)

D. Kinetic head - (pressure head + potential head)

A. Pressure energy + kinetic energy + potential energy

B. Pressure energy - (kinetic energy + potential energy)

C. Potential energy - (pressure energy + kinetic energy

D. Kinetic energy - (pressure energy + potential energy)

A. 40%

B. 50%

C. 60%

D. 80%

A. $$\frac{{\mu {\pi ^3}{{\text{N}}^2}{{\text{R}}^2}}}{{1800{\text{t}}}}$$

B. $$\frac{{\mu {\pi ^3}{{\text{N}}^2}{{\text{R}}^4}}}{{1800{\text{t}}}}$$

C. $$\frac{{\mu {\pi ^3}{{\text{N}}^2}{{\text{R}}^2}}}{{3600{\text{t}}}}$$

D. $$\frac{{\mu {\pi ^3}{{\text{N}}^2}{{\text{R}}^4}}}{{3600{\text{t}}}}$$

A. $${\left( {\frac{{\text{q}}}{{\text{g}}}} \right)^{\frac{1}{2}}}$$

B. $${\left( {\frac{{{{\text{q}}^2}}}{{\text{g}}}} \right)^{\frac{1}{3}}}$$

C. $${\left( {\frac{{{{\text{q}}^3}}}{{\text{g}}}} \right)^{\frac{1}{4}}}$$

D. $${\left( {\frac{{{{\text{q}}^4}}}{{\text{g}}}} \right)^{\frac{1}{5}}}$$

A. Pressure head

B. Velocity head

C. Pressure head + velocity head

D. Pressure head - velocity head