Hydraulics and Fluid Mechanics in ME The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 2.4 m 4.0 m 2.5 m 3.0 m 2.4 m 4.0 m 2.5 m 3.0 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure decreases remains constant increases increases first upto certain limit and then decreases decreases remains constant increases increases first upto certain limit and then decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following velocity potentials satisfies continuity equation ? x2-y2 x2 + y2 cosx x2y x2-y2 x2 + y2 cosx x2y ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity ratio of inertial force to force due to surface tension all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ratio of inertial force to force due to viscosity ratio of inertial force to force due to surface tension all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Low specific speed of a pump implies it is Axial flow pump Mixed flow pump None of these Centrifugal pump Axial flow pump Mixed flow pump None of these Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP