Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1:50 1 :25 1 : 5 1 : 2.5 1:50 1 :25 1 : 5 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies inversely as the radial distance inversely as the square of the radial distance as the square of the radial distance linearly with radial distance inversely as the radial distance inversely as the square of the radial distance as the square of the radial distance linearly with radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics True one-dimensional flow occurs when the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid the direction and magnitude of the veiocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid the direction and magnitude of the veiocity at all points are identical the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the cross-section of a channel is reduced the boundary layer comes to rest All of these the pressure intensity reaches a minimum the cross-section of a channel is reduced the boundary layer comes to rest All of these the pressure intensity reaches a minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Choose the wrong statement when in equilibrium, fluids cannot sustain tangential forces fluids conform to the shape of the con-taining vessels when in equilibrium, fluids can sustain shear forces fluids are capable of flowing when in equilibrium, fluids cannot sustain tangential forces fluids conform to the shape of the con-taining vessels when in equilibrium, fluids can sustain shear forces fluids are capable of flowing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5/2 H5’4 where H is head. H3’2 H1/2 H5/2 H5’4 where H is head. H3’2 H1/2 ANSWER DOWNLOAD EXAMIANS APP