Top 150+ Solved Hydraulics MCQ Questions Answer
Q. ____________ is defined as the ratio of the weight density (or density) a fluid to the weightdensity (or density) of a standard fluid.
a. Density
b. Specific weight
c. Specific gravity
d. Surface tension
Q. Tensile force acting on the free surface of a liquid per unit length is called ___________.
a. Density
b. Specific weight
c. Specific gravity
d. Surface tension
Q. Attraction between the molecules of same liquid is known as __________.
a. Cohesion
b. Adhesion
c. Dynamic Viscosity
d. Kinetic Viscosity
Q. Attraction between the molecules of liquids to another body is called ___________.
a. Cohesion
b. Adhesion
c. Dynamic Viscosity
d. Kinetic Viscosity
Q. When viscosity of fluid is studied with reference to motion of fluid, it is called ___________.
a. Cohesion
b. Adhesion
c. Dynamic Viscosity
d. Kinetic Viscosity
Q. When viscosity of fluid is studied with reference to force, it is called ___________.
a. Cohesion
b. Adhesion
c. Dynamic Viscosity
d. Kinetic Viscosity
Q. ______ is defined as the property of a fluid which offers resistance to movement of one layerof fluid over another adjacent layer of the fluid.
a. Capillarity
b. Viscosity
c. Compressibility
d. Vapor pressure
Q. ____________ is defined as a phenomenon of rise or fall of a liquid in a small tube, when thetube is held vertically in the liquid.
a. Capillarity
b. Viscosity
c. Compressibility
d. Vapor pressure
Q. ___________ is defined as the pressure at which the liquid will transform into vapour at thegiven temperature.
a. Capillarity
b. Viscosity
c. Compressibility
d. Vapor pressure
Q. The reciprocal of bulk modulus of elasticity is called __________.
a. Capillarity
b. Viscosity
c. Compressibility
d. Vapor pressure
Q. For a liquid having mass 2000 kg and volume 2.5 m3. Calculate mass density.
a. 0.00125 kg/m3
b. 0.00125 kN/m2
c. 800 kg/m3
d. 800 kg/m2
Q. If weight density of liquid is 8.0 kN/m3 , find its specific gravity.
a. 1.23 N
b. 1.23
c. 0.815 N
d. 0.815