Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

A. Two cylinders, two rams and a storage device

B. A cylinder and a ram

C. Two coaxial rams and two cylinders

D. A cylinder, a piston, storage tank and control valve

A. Above it

B. Below it

C. At same point

D. Above or below depending on area of body

A. Frictional force

B. Viscosity

C. Surface friction

D. All of the above

A. Pressure head

B. Velocity head

C. Pressure head + velocity head

D. Pressure head - velocity head

A. $$\frac{{{\text{N}}\sqrt {\text{P}} }}{{{{\text{H}}^{\frac{3}{2}}}}}$$

B. $$\frac{{{\text{N}}\sqrt {\text{P}} }}{{{{\text{H}}^2}}}$$

C. $$\frac{{{\text{N}}\sqrt {\text{P}} }}{{{{\text{H}}^{\frac{5}{4}}}}}$$

D. $$\frac{{{\text{N}}\sqrt {\text{P}} }}{{{{\text{H}}^3}}}$$

A. $$\tan \theta = \frac{{\text{a}}}{{\text{g}}}$$

B. $$\tan \theta = \frac{{2{\text{a}}}}{{\text{g}}}$$

C. $$\tan \theta = \frac{{\text{a}}}{{2{\text{g}}}}$$

D. $$\tan \theta = \frac{{{{\text{a}}^2}}}{{2{\text{g}}}}$$

A. Buoyancy

B. Equilibrium of a floating body

C. Archimede's principle

D. Bernoulli's theorem

A. Width of channel at the top is equal to twice the width at the bottom

B. Depth of channel is equal to the width at the bottom

C. The sloping side is equal to half the width at the top

D. The sloping side is equal to the width at the bottom

A. Actual velocity of jet at vena contracta to the theoretical velocity

B. Loss of head in the orifice to the head of water available at the exit of the orifice

C. Actual discharge through an orifice to the theoretical discharge

D. Area of jet at vena contracta to the area of orifice

A. Triangular

B. Rectangular

C. Square

D. Trapezoidal