Specific weight of sea water is more that of pure water because it contains All of these suspended matter dissolved salt dissolved air TRUE ANSWER : ? YOUR ANSWER : ?
The region between the separation streamline and the boundary surface of the solid body is known as lift boundary layer drag wake TRUE ANSWER : ? YOUR ANSWER : ?
Flow of water in a pipe about 3 meters in diameter can be measured by pitot tube rotameter venturi orifice plate TRUE ANSWER : ? YOUR ANSWER : ?
Mercury is often used in barometer because its vapour pressure is so low that it may be neglected both (B) and (C) it is the best liquid the height of barometer will be less TRUE ANSWER : ? YOUR ANSWER : ?
Fluid is a substance that always expands until it fills any container has the same shear stress.at a point regardless of its motion cannot be subjected to shear forces cannot remain at rest under action of any shear force TRUE ANSWER : ? YOUR ANSWER : ?
Two dimensional flow occurs when the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the magnitude and direction of the velocity do not change from point to point in the fluid the direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane TRUE ANSWER : ? YOUR ANSWER : ?
The horizontal component of force on a curved surface is equal to the product of pressure intensity at its centroid and area force on the horizontal projection of the curved surface force on a vertical projection of the curved surface weight of liquid vertically above the curved surface TRUE ANSWER : ? YOUR ANSWER : ?
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will increase remain same decrease increase/decrease depending on depth of immersion TRUE ANSWER : ? YOUR ANSWER : ?
At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be minimum maximum could be any value negative value TRUE ANSWER : ? YOUR ANSWER : ?
A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 2 m/sec 25 m/sec 50 m/sec 10 m/sec TRUE ANSWER : ? YOUR ANSWER : ?