Hydraulics & Fluid Mechanics Mercury is often used in barometer because it is the best liquid its vapour pressure is so low that it may be neglected the height of barometer will be less both (B) and (C) it is the best liquid its vapour pressure is so low that it may be neglected the height of barometer will be less both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of cohesion surface tension force of adhesion atmospheric pressure force of cohesion surface tension force of adhesion atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horizontal component of force on a curved surface is equal to the force on the horizontal projection of the curved surface product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface force on a vertical projection of the curved surface force on the horizontal projection of the curved surface product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface force on a vertical projection of the curved surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Pressure of the order of 10''' torr can be measured by Micro-manometer Bourdon tube ionisastion gauge Pirani Gauge Micro-manometer Bourdon tube ionisastion gauge Pirani Gauge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics 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 a circular disc or plate held normal to flow an airfoil a sphere a cylinder ANSWER DOWNLOAD EXAMIANS APP