Hydraulics and Fluid Mechanics in ME The viscosity of a liquid __________ its rate of flow through a hole in a vessel. None of these Both A and B Effects Does not effect None of these Both A and B Effects Does not effect ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) V/(vr - v) V/(vr + v) 2V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Delivers unit discharge under unit speed Delivers unit discharge under unit head Develops unit power under unit head Develops unit power under unit speed Delivers unit discharge under unit speed Delivers unit discharge under unit head Develops unit power under unit head Develops unit power under unit speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be low The delivery pressure should be high The suction pressure should be low The suction pressure should be high The delivery pressure should be low The delivery pressure should be high The suction pressure should be low The suction pressure should be high ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Decreases Remain same Increases None of these Decreases Remain same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
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