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 V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be 4 kN/m2 12 kN/m2 10 kN/m2 14 kN/m2 4 kN/m2 12 kN/m2 10 kN/m2 14 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The volume of a fluid __________ as the pressure increases. None of these Remains same Increases Decreases None of these Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 4000 Between 2000 and 4000 More than 4000 Less than 2000 Less than 4000 Between 2000 and 4000 More than 4000 Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Motion of a liquid in a volute casing of a centrifugal pump is an example of Forced spiral vortex flow Spiral vortex flow Rotational flow Radial Forced spiral vortex flow Spiral vortex flow Rotational flow Radial ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) Pressure energy - (kinetic energy + potential energy) Potential energy - (pressure energy + kinetic energy ANSWER DOWNLOAD EXAMIANS APP