Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1² - V2²) / V1² V1 / (V1 - V2) (V1 - V2) / V1 V1² / (V1² - V2²) (V1² - V2²) / V1² V1 / (V1 - V2) (V1 - V2) / V1 V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the gases with rise in temperature decreases increases unpredictable remains unaffected decreases increases unpredictable remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Reciprocating Axial flow Centrifugal Mixed flow Reciprocating Axial flow Centrifugal Mixed flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. Ax̅ / IG below Ax̅ / IG above IG / Ax̅ below IG / Ax̅ above Ax̅ / IG below Ax̅ / IG above IG / Ax̅ below IG / Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet. 1.8 times 1.2 times Double Equal to 1.8 times 1.2 times Double Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of flow through parallel pipes, Both (A) and (B) The total discharge is equal to the sum of discharges in the various pipes The head loss for all the pipes is same The total head loss is the sum of head losses in the various pipes Both (A) and (B) The total discharge is equal to the sum of discharges in the various pipes The head loss for all the pipes is same The total head loss is the sum of head losses in the various pipes ANSWER DOWNLOAD EXAMIANS APP
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