Hydraulics & Fluid Mechanics Mercury is often used in barometer because both (B) and (C) it is the best liquid the height of barometer will be less 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 its vapour pressure is so low that it may be neglected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to atmospheric pressure force of cohesion surface tension force of adhesion atmospheric pressure force of cohesion surface tension force of adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains dissolved air suspended matter dissolved salt All of these dissolved air suspended matter dissolved salt All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics 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) (i) and (iii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (iii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP