A. it is incompressible
B. it has uniform viscosity
C. it has zero viscosity
D. it is frictionless
E. it is at rest
Related Mcqs:
- The normal stress is same in all directions at a point in a fluid_______________?
A. only when the fluid is frictionless
B. only when the fluid is incompressible and has zero viscosity
C. when there is no motion of one fluid layer relative to an adjacent layer
D. irrespective of the motion of one fluid layer relative to an adjacent layer
E. in case of an ideal fluid - The property of a fluid which enables it to resist tensile stress is known as___________________?
A. compressibility
B. surface tension
C. cohesion
D. adhesion
E. viscosity - In the case of steady flow of a fluid, the acceleration of any fluid particle is________________?
A. constant
B. variable
C. zero
D. zero under limiting conditions
E. never zero - Slow plastic defomiation of metals under a constant stress is known as________________?
A. creep
B. fatigue
C. endurance
D. plastic deformation
E. non-plastic deformation - At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_________________?
A. minimum
B. maximum
C. zero
D. negative value
E. could be any value - The center of pressure of a surface subjected to fluid pressure is the point_______________?
A. on the surface at which resultant pres-sure acts
B. on the surface at which gravitational force acis
C. at which all hydraulic forces meet
D. similar to metacentre
E. where pressure equivalent to hydraulic thrust will act - The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as__________________?
A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
E. streamline flow - An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of__________________?
A. 1
B. 1.2
C. 0.8
D. 0.75
E. 1.25 - The property of fluid by virtue of which it offers resistance to shear is called________________?
A. surface tension
B. adhesion
C. cohesion
D. viscosity
E. all of the above - Property of a fluid by which its own molecules are attracted is called___________________?
A. adhesion
B. cohesion
C. viscosity
D. compressibility
E. surface tension
