Hydraulics and Fluid Mechanics in ME A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is 0.4 0.3 0.6 0.83 0.4 0.3 0.6 0.83 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the Discharge is difficult to measure Velocity of flow is very high None of these Mach number is between 1 and 6 Discharge is difficult to measure Velocity of flow is very high None of these Mach number is between 1 and 6 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 enlarged to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden enlargement is (v₁ - v₂)²/g (v₁² - v₂²)/g (v₁ - v₂)²/2g (v₁² - v₂²)/2g (v₁ - v₂)²/g (v₁² - v₂²)/g (v₁ - v₂)²/2g (v₁² - v₂²)/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Overall efficiency of a centrifugal pump is the ratio of Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Energy supplied to the pump to the energy available at the impeller Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum discharge over a broad crested weir is 1.71 Cd × L × H1/2 0.384 Cd × L × H1/2 0.384 Cd × L × H3/2 1.71 Cd × L × H3/2 1.71 Cd × L × H1/2 0.384 Cd × L × H1/2 0.384 Cd × L × H3/2 1.71 Cd × L × H3/2 ANSWER DOWNLOAD EXAMIANS APP