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 center of buoyancy and e.g. must lie on same vertical plane All of these meta center should be above e.g. a righting couple should be formed center of buoyancy and e.g. must lie on same vertical plane All of these meta center should be above e.g. a righting couple should be formed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of cohesion atmospheric pressure surface tension force of adhesion force of cohesion atmospheric pressure 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 dissolved salt All of these suspended matter dissolved air dissolved salt All of these suspended matter 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