Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg + hf H = Hg/hf H = Hg × hf H = Hg - hf H = Hg + hf H = Hg/hf H = Hg × hf H = Hg - hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) p/sinα p/2sinα 2p/sinα 2p/sin (α/2) p/sinα p/2sinα 2p/sinα 2p/sin (α/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Pressure energy + kinetic energy + potential energy Kinetic energy - (pressure energy + potential energy) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property of a fluid which enables it to resist tensile stress is known as surface tension compressibility cohesion adhesion surface tension compressibility cohesion adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately 10 mm 20 mm 30 mm 5 mm 10 mm 20 mm 30 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The body will float if the force of buoyancy is ___ the weight of the liquid displaced. None of the listed here Equal to More than Less than None of the listed here Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP