Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

A. 0 to 4.5

B. 10 to 100

C. 80 to 200

D. 250 to 300

A. Centre of gravity

B. Centre of pressure

C. Metacentre

D. Centre of buoyancy

A. The resultant force acting on a floating body

B. The resultant force on a body due to the fluid surrounding it

C. Equal to the volume of liquid displaced

D. The force necessary to maintain equilibrium of a submerged body

A. Reynold's number

B. Froude's number

C. Weber's number

D. Mach number

A. Half the depth

B. Half the breadth

C. Twice the depth

D. Twice the breadth

A. Dissolved air

B. Dissolved salt

C. Suspended matter

D. All of the above

A. Sum

B. Difference

C. Product

D. None of these

A. The suction pressure should be high

B. The delivery pressure should be high

C. The suction pressure should be low

D. The delivery pressure should be low

A. $$1.84\,{\text{L}}{{\text{H}}^{\frac{1}{2}}}$$

B. $$1.84\,{\text{LH}}$$

C. $$1.84\,{\text{L}}{{\text{H}}^{\frac{3}{2}}}$$

D. $$1.84\,{\text{L}}{{\text{H}}^{\frac{5}{2}}}$$

A. 0.34 times

B. 0.67 times

C. 0.81 times

D. 0.95 times