Hydraulics and Fluid Mechanics in ME
The rise or depression of liquid in a tube due to surface tension will increase in size of tube will

Remain unaffected
Increase
Decrease
May increase or decrease depending on the characteristics of liquid

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Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

total drag is zero
lowest pressure intensity occurs at rear stagnation point
lowest pressure intensity occurs at front stagnation point
highest intensity of pressure occurs around the circumference at right angles to flow

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