A. negligible
B. same as buoyant force
C. zero
D. non of these
Related Mcqs:
- Buoyant force is___________________?
A. resultant force acting on a floating body
B. equal to the volume of liquid displaced
C. force necessary to keep a body in equilibrium
D. the resultant force on a body due to the fluid surrounding it
E. none of the above - The line of action of the buoyant force acts through the centroid of the ___________________?
A. submerged body
B. volume of the floating body
C. volume of the fluid vertically above the body
D. displaced volume of the fluid
E. none of the above - Ratio of inertia force to elastic force is known as _____________________?
A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above - In a free vortex motion, the radial component of velocity everywhere is ________________?
A. maximum
B. minimum
C. zero
D. non-zero and finite
E. unpredictable - If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is_______________?
A. D’ = 0.64 D
B. D’ = 0.74 D
C. D’ = 0.84 D
D. D’ = 0.94 D - A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is__________________?
A. 1
B. 5
C. 7
D. 6 - 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 - A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is__________________?
A. 0.83
B. 0.6
C. 0.4
D. 0.3
E. none of the above - In a forced vortex, the velocity of flow everywhere within the fluid is__________________?
A. maximum
B. minimum
C. zero
D. non-zero finite
E. unpredictable - For pipes, laminar flow occurs when Roynolds number is__________________?
A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above
