The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will may increase or decrease depending on the characteristics of liquid decrease increase remain unaffected TRUE ANSWER : ? YOUR ANSWER : ?
In a forced vortex, the velocity of flow everywhere within the fluid is zero non-zero finite minimum maximum TRUE ANSWER : ? YOUR ANSWER : ?
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called Metacentre Reaction Buoyancy Up-thrust TRUE ANSWER : ? YOUR ANSWER : ?
For small discharge at high pressure, following pump is preferred Axial flow Reciprocating Mixed flow Centrifugal TRUE ANSWER : ? YOUR ANSWER : ?
The wake always occurs after a separation point None of these always occurs before a separation point is a region of high pressure intensity TRUE ANSWER : ? YOUR ANSWER : ?
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sin²θ/Ax̅ below TRUE ANSWER : ? YOUR ANSWER : ?
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. Less than None of these Equal to More than TRUE ANSWER : ? YOUR ANSWER : ?
Fluid is a substance which offers no resistance to change of Pressure Volume Shape Flow TRUE ANSWER : ? YOUR ANSWER : ?
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be 100m None of these 10m 1 m TRUE ANSWER : ? YOUR ANSWER : ?