Engineering :: Hydraulics and Fluid Mechanics
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251. |
Poise is the unit of viscosity in C.G.S. system of units. |
Answer: Option A
Explanation:
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252. |
One poise is equal to |
A. |
0.1 N-s/m2 |
B. |
1 N-s/m2 |
C. |
10 N-s/m2 |
D. |
100 N-s/m2 |
Answer: Option A
Explanation:
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253. |
The kinematic viscosity is the |
A. |
ratio of absolute viscosity to the density of the liquid |
B. |
ratio of density of the liquid to the absolute viscosity |
C. |
product of absolute viscosity and density of the liquid |
D. |
product of absolute viscosity and mass of the liquid |
Answer: Option A
Explanation:
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254. |
Stoke is the unit of |
A. |
kinematic viscosity in C.G.S. units |
B. |
kinematic viscosity in M.K.S. units |
C. |
dynamic viscosity in M.K.S. units |
D. |
dynamic viscosity in S.I. units |
Answer: Option A
Explanation:
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255. |
One stoke is equal to |
A. |
10-2m2/s |
B. |
10-3m2/s |
C. |
10-4m2/s |
D. |
10-6m2/s |
Answer: Option C
Explanation:
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256. |
The unit of kinematic viscosity in S. I. units is |
Answer: Option C
Explanation:
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257. |
The viscosity of water at 20? C is |
A. |
one stoke |
B. |
one centistroke |
C. |
one poise |
D. |
one centipoise |
Answer: Option D
Explanation:
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258. |
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is |
A. |
0.0116 stoke |
B. |
0.116 stoke |
C. |
0.0611 stoke |
D. |
0.611 stoke |
Answer: Option A
Explanation:
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259. |
The dynamic viscosity of the liquid |
A. |
remain unaffected |
B. |
increases |
C. |
decreases |
Answer: Option C
Explanation:
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260. |
A fluid having no viscosity is known as |
A. |
real fluid |
B. |
ideal fluid |
C. |
newtonian fluid |
D. |
non-newtonian fluid |
Answer: Option B
Explanation:
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