Engineering :: Fluid Mechanics and Solid Handling
|
|
|
|
|
41. |
The law similar to Newtons law viscosity used in the solid mechanics is called |
A. |
Newtons second law of motion |
B. |
Archimedes principle |
C. |
Hookes law |
D. |
Newtons third law of motion |
Answer: Option C
Explanation:
|
42. |
An ideal fluid is one which |
A. |
is very viscous |
B. |
is frictionless and incompressible |
C. |
has negligible surface tension |
D. |
obeys Newtons law of viscosity |
Answer: Option B
Explanation:
|
43. |
A Newtonian fluid is one which |
A. |
is frictionless and incompressible |
B. |
has a linear relationship between the magnitude of applied shear stress and the resulting rate of deformation |
C. |
has a nonlinear relationship between the magnitude of spplied shear stress and the resulting rate of deformation |
D. |
has a vapor pressure of 1 N/m2 at 25?C. |
Answer: Option B
Explanation:
|
44. |
Fluid continuum is a concept in which |
A. |
the actual molecular structure is replaced by a hypothetical continuous medium |
B. |
fluid particles are widely scattered in space |
C. |
fluid is non-homogeneous |
D. |
fluid density is very low |
Answer: Option A
Explanation:
|
45. |
An incompressible flow is one in which |
A. |
the fluid is frictionless |
B. |
the fluid compressibility is greater than zero |
C. |
the density does not change with pressure and temperature |
D. |
the temperature of fluid remains constant |
Answer: Option C
Explanation:
|
46. |
An example of Newtonian fluid is |
A. |
non-colloidal solution |
B. |
sewage sludge |
C. |
rubber latex |
D. |
quicksand |
Answer: Option A
Explanation:
|
47. |
An example of a pseudoplastic fluid is |
A. |
gas |
B. |
rubber latex |
C. |
sewage sludge |
D. |
quicksand |
Answer: Option B
Explanation:
|
48. |
An example of Bingham plastic is |
A. |
gas |
B. |
non colloidal solution |
C. |
sewage sludge |
D. |
rubber latex |
Answer: Option C
Explanation:
|
49. |
An example of dilatent fluid is |
A. |
non-colloidal solution |
B. |
quicksand |
C. |
rubber latex |
D. |
sewage emulsion |
Answer: Option B
Explanation:
|
50. |
Power law behaviour is pseudoplastic for |
Answer: Option B
Explanation:
|
Read more:
|
|