Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of buoyancy center of pressure metacentre e.g. of body center of buoyancy center of pressure metacentre e.g. of body 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 (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) 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 negative value could be any value maximum minimum negative value could be any value maximum minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is maximum at the pipe wall None of these independent of shear stress zero at the pipe wall maximum at the pipe wall None of these independent of shear stress zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will increase increase/decrease depending on depth of immersion remain same decrease increase increase/decrease depending on depth of immersion remain same decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5/2 H1/2 H5’4 where H is head. H3’2 H5/2 H1/2 H5’4 where H is head. H3’2 ANSWER DOWNLOAD EXAMIANS APP
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