Hydraulics and Fluid Mechanics in ME The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is 10.4 sec 5.2 sec 4.1 sec 14.1 sec 10.4 sec 5.2 sec 4.1 sec 14.1 sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To transport water downstream without eddies To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To transport water downstream without eddies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. None of these More than Less than Equal to None of these More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Supplying large quantities of oil for very short duration Accumulating oil Supplying energy when main supply fails Generally high pressures to operate hydraulic machines Supplying large quantities of oil for very short duration Accumulating oil Supplying energy when main supply fails Generally high pressures to operate hydraulic machines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Francis turbine Kaplan turbine Pelton wheel with two or more nozzles Pelton wheel with one nozzle Francis turbine Kaplan turbine Pelton wheel with two or more nozzles Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r³/4g π w ω² r²/4g π w ω² r⁴/4g π w ω² r²/2g π w ω² r³/4g π w ω² r²/4g π w ω² r⁴/4g π w ω² r²/2g ANSWER DOWNLOAD EXAMIANS APP