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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 8
21.
A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called
steady flow
uniform flow
streamline flow
turbulent flow
Answer: Option
Explanation:
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22.
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre
coincides with its centre of gravity
lies above its centre of gravity
lies below its centre of gravity
lies between the centre of buoyancy and centre of gravity
Answer: Option
Explanation:
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23.
One cubic metre of water weighs
100 litres
250 litres
500 litres
1000 litres
Answer: Option
Explanation:
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24.
Surface tension force is the product of surface tension per unit length and cross-sectional area of flow.
Correct
Incorrect
Answer: Option
Explanation:
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25.
An average value of coefficient of velocity is
0.62
0.76
0.84
0.97
Answer: Option
Explanation:
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