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
E. flows
Related Mcqs:
- 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 - If no resistance is encountered by displacement, such a substance is known as ___________________?
A. fluid
B. water
C. gas
D. perfect solid
E. ideal fluid - Which of the following substance will have same percentage in both proximate and ultimate analysis___________________?
A. ash
B. volatile matter
C. moisture
D. hydrogen
E. none of the above - An ideal flow of any fluid must fulfill the following____________________?
A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
E. Boundary layer theory - A fluid in equilibrium can’t sustain____________________?
A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
E. all of the above - 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 - An ideal flow of any fluid must satisfy __________________?
A. Pascal law
B. Newton’s law of viscosity
C. boundary layer theory
D. continuity equation
E. Bernoulli’s theorem - According to Bernoulli’s equation for steady ideal fluid flow____________________?
A. principle of conservation of mass holds
B. velocity and pressure are inversely proportional
C. total energy is constant throughout
D. the energy is constant along a stream-line but may vary across streamlines
E. none of the above - According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to_________________?
A. the weight of the body
B. more than the weight of the body
C. less than the weight of the body
D. weight of the fluid displaced by the body
E. weight of body plus the weight of the fluid displaced hy the body - The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called_______________?
A. upthrust
B. reaction
C. buoyancy
D. metacentre
E. center of pressure
