Objective of civil engineering fuild mechanics
MULTIPLE-CHOICE QUESTIONS I. Select correct options from the list given below each item. 1. Mass per unit volume is known as (a) density (b) specific gravity (c) specific weight (d) specific volume. 2. The reciprocal of the density is known as (a) specific gravity (b) specific weight (c) specific volume (d) none of these 3. The most important property which influences the fluid motion to a great extent is (a) density (b) specific weight (c) specific volume (d) viscocity 4. The rate of shear strain of fluid is known as (a) shear modulus (b) hydraulic gradient (c) velocity gradient (d) all the above 5. Newton’s law of viscocity states that shear stress is directly proportional to (a) velocity (b) shear strain (c) velocity gradient (d) viscocity 6. A Newtonian fluid is defined as the fluid which (a) is highly viscous (b) is compressible and non-viscous (c) is incompressible and viscous (d) obeys Newton’s law of viscocity 7. A general relationship between shear stress and velocity gradient...