The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at plates and increases linearly to midpoint parabolic distribution across the section constant over the cross section zero at the mid plane and varies linearly with distance from mid plane TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following the friction drag is generally larger than pressure drag? a circular disc or plate held normal to flow an airfoil a sphere a cylinder TRUE ANSWER : ? YOUR ANSWER : ?
The horizontal component of force on a curved surface is equal to the force on the horizontal projection of the curved surface force on a vertical projection of the curved surface product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface TRUE ANSWER : ? YOUR ANSWER : ?
The difference of pressure between the inside and outside of a liquid drop is (d)p = 2T/r (b)p = T/r p = T/2r (a)p = Txr TRUE ANSWER : ? YOUR ANSWER : ?
Pressure of the order of 10''' torr can be measured by Micro-manometer Pirani Gauge Bourdon tube ionisastion gauge TRUE ANSWER : ? YOUR ANSWER : ?
Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is (i)and(iv) (ii) and (iv) (i) and (ii) (ii) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?
The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) TRUE ANSWER : ? YOUR ANSWER : ?
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 10.0 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 6.4 m above the hydraulic gradient TRUE ANSWER : ? YOUR ANSWER : ?
Coefficient of velocity for Borda’s mouth piece running full is 0.707 0.855 0.611 1.00 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following instrument can be used for measuring speed of an aeroplane pitot tube rotameter Venturimeter Orifice plate TRUE ANSWER : ? YOUR ANSWER : ?