Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

A. Slow speed with radial flow at outlet

B. Medium speed with radial flow at outlet

C. High speed with radial flow at outlet

D. High speed with mixed flow at outlet

A. Centrifugal pump

B. Reciprocating pump

C. Jet pump

D. Air lift pump

A. They have slow speeds

B. They are suitable even for low water heads

C. They give constant efficiency, even if the discharge is not constant

D. All of the above

A. Ratio of absolute viscosity to the density of the liquid

B. Ratio of density of the liquid to the absolute viscosity

C. Product of absolute viscosity and density of the liquid

D. Product of absolute viscosity and mass of the liquid

A. One stoke

B. One centistoke

C. One poise

D. One centipoise

A. $$\frac{{{\text{b}}{{\text{d}}^2}}}{{12}} + \overline {\text{x}} $$

B. $$\frac{{{{\text{d}}^2}}}{{12\overline {\text{x}} }} + \overline {\text{x}} $$

C. $$\frac{{{{\text{b}}^2}}}{{12}} + \overline {\text{x}} $$

D. $$\frac{{{{\text{d}}^2}}}{{12}} + \overline {\text{x}} $$

A. Sill or crest

B. Nappe or vein

C. Orifice

D. None of these

A. Narrow-crested weir

B. Broad-crested weir

C. Ogee weir

D. Submerged weir

A. 1 Pa

B. 91 Pa

C. 981 Pa

D. 9810 Pa

A. Directly proportional to (radius)²

B. Inversely proportional to (radius)²

C. Directly proportional to (radius)⁴

D. Inversely proportional to (radius)⁴