Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is less more more or less depending on size of glass tube same less more more or less depending on size of glass tube same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be minimum could be any value maximum negative value minimum could be any value maximum negative value ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H3’2 H1/2 H5/2 H5’4 where H is head. H3’2 H1/2 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 2/3 1/3 1/2 1/4 2/3 1/3 1/2 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics 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 337.5 675 300 600 337.5 675 300 600 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics SURFACE TENSION HAS THE UNITS OF NEWTONS NEW TONS/M NEWTONS/M NETON/M NEWTONS NEW TONS/M NEWTONS/M NETON/M ANSWER DOWNLOAD EXAMIANS APP