Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 5kN 15 kN lOkN 20 kN 5kN 15 kN lOkN 20 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One stoke One poise One centipoise One centistoke One stoke One poise One centipoise One centistoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Supplying large quantities of oil for very short duration Generally high pressures to operate hydraulic machines Supplying energy when main supply fails Accumulating oil Supplying large quantities of oil for very short duration Generally high pressures to operate hydraulic machines Supplying energy when main supply fails Accumulating oil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Lower speed of operation High initial and maintenance cost Necessity of air vessel Lower discharge Lower speed of operation High initial and maintenance cost Necessity of air vessel Lower discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Four times Eight times Double Sixteen times Four times Eight times Double Sixteen times ANSWER DOWNLOAD EXAMIANS APP
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