Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 0.8 1.2 1.6 1 0.8 1.2 1.6 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Sixteen times Four times Eight times Double Sixteen times Four times Eight times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. None of these Expands Contracts Does not change None of these Expands Contracts Does not change ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) h/w w w/h wh h/w w w/h wh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric None of these there will be vacuum in the liquid the pressure in the liquid mass is greater than hydrostatic pressure the pressure throughout the liquid mass is atmospheric None of these there will be vacuum in the liquid ANSWER DOWNLOAD EXAMIANS APP
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