The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to 91 PA 981 PA 9810 PA 1 PA TRUE ANSWER : ? YOUR ANSWER : ?
A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 : 2.5 1 :25 1:50 1 : 5 TRUE ANSWER : ? YOUR ANSWER : ?
For a floating body to be in equilibrium a righting couple should be formed All of these meta center should be above e.g. center of buoyancy and e.g. must lie on same vertical plane TRUE ANSWER : ? YOUR ANSWER : ?
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS 0.95 0.86 0.611 1.01 TRUE ANSWER : ? YOUR ANSWER : ?
Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (i) and (ii) (ii) and (iii) (i), (ii) and (iii) (i) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?
Two pipe systems are said to be equivalent when length and diameter are same in two systems friction factor and length are same in two systems length of pipe and discharge are same in two systems head loss and discharge are same in two systems TRUE ANSWER : ? YOUR ANSWER : ?
For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 300 675 337.5 600 TRUE ANSWER : ? YOUR ANSWER : ?
The units of viscosity are kg sec/metre newton-sec/metre metre2/se newton-sec/metre2 TRUE ANSWER : ? YOUR ANSWER : ?
The difference of pressure between the inside and outside of a liquid drop is p = T/2r (a)p = Txr (d)p = 2T/r (b)p = T/r TRUE ANSWER : ? YOUR ANSWER : ?
Steady flow occurs when the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the direction and magnitude of the velocity at all points are identical the magnitude and direction of the velocity do not change from point to point in the fluid TRUE ANSWER : ? YOUR ANSWER : ?