Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? All of these They have slow speeds They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant All of these They have slow speeds They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Geometric mean Arithmetic mean Difference Sum Geometric mean Arithmetic mean Difference Sum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point on the surface at which gravitational force acis similar to metacentre on the surface at which resultant pres-sure acts at which all hydraulic forces meet on the surface at which gravitational force acis similar to metacentre on the surface at which resultant pres-sure acts at which all hydraulic forces meet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a venturi-flume, the flow takes place at Atmospheric pressure Gauge pressure Absolute pressure None of these Atmospheric pressure Gauge pressure Absolute pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids Occupy definite volume Cannot be compressed Are not affected by change in pressure and temperature None of the listed here Occupy definite volume Cannot be compressed Are not affected by change in pressure and temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS