Hydraulics and Fluid Mechanics in ME Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft? Hydraulic torque converter Hydraulic ram Hydraulic intensifier Hydraulic accumulator Hydraulic torque converter Hydraulic ram Hydraulic intensifier Hydraulic accumulator ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have Low surface tension High density Low density High surface tension Low surface tension High density Low density High surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Lower than the surface of liquid The same as the surface of liquid Higher than the surface of liquid Unpredictable Lower than the surface of liquid The same as the surface of liquid Higher than the surface of liquid Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the work done on the wheel to the energy of the jet None of these Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the work done on the wheel to the energy of the jet None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 4μvl/wd² 32μvl/wd² 8μvl/wd² 16μvl/wd² 4μvl/wd² 32μvl/wd² 8μvl/wd² 16μvl/wd² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity) tanθ = 2 a/g tanθ = a/2g tanθ = a2/2g tanθ = a/g tanθ = 2 a/g tanθ = a/2g tanθ = a2/2g tanθ = a/g ANSWER DOWNLOAD EXAMIANS APP
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