fluid mechanics objective type questions and answers pdf
FLUID MECHANICS
Mechanical Engineering Multiple choice Questions Answers
fluid mechanics objective questions
“FLUID MECHANICS”
Mechanical Engineering MCQS
from FreePDfbook.com
FLUID MECHANICS Questions Answers
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
(e) flows.
Ans: d
2. Fluid is a substance which offers no resistance to change of
(a) pressure
(b) flow
(c) shape
(d) volume
(e) temperature.
Ans: c
3. Practical fluids
(a) are viscous
(b) possess surface tension
(c) are compressible
(d) possess all the above properties
(e) possess none of the above properties.
Ans: d
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
(e) viscosity is nil.
Ans: d
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251. For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal
(a) ratio of inertial force to force due to viscosity
(b) ratio of inertial force to force due to gravitation
(c) ratio of inertial force to force due to surface tension
(d) all the four ratios of inertial force to force due to viscosity, gravitation, sur-face tension, and elasticity
Ans: d
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fluid mechanics objective questions
