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Mechanical Engineering Objective Questions { Fluid Mechanics }



1. Fluid is a substance that
A.Cannot be subjected to shear forces
B.Always expands until it fills any container
C.Has the same shear stress .at a point regardless of its motion
D.Cannot remain at rest under action of any shear force

2. Fluid is a substance which offers no resistance to change of
A.Pressure
B.Flow
C.Shape
D.Volume

3. Practical fluids
A.Are viscous
B.Possess surface tension
C.Are compressible
D.Possess all the above properties

4. In a static fluid
A.Resistance to shear stress is small
B.Fluid pressure is zero
C.Linear deformation is small
D.Only normal stresses can exist

5. A fluid is said to be ideal, if it is
A.Incompressible
B.Inviscous and incompressible.
C.Viscous and incompressible
D.Inviscous and compressible

6. If no resistance is encountered by displacement, such a substance is known as
A.Fluid
B.Dilatant
C.Gas
D.Ideal fluid.

7. The volumetric change of the fluid by a resistance is known as
A.Volumetric strain
B.Volumetric index
C.Compressibility
D.Adhesion

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