Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is None of these Less than 2000 More than 2800 Between 2000 and 2800 None of these Less than 2000 More than 2800 Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required to drive a centrifugal pump is directly proportional to _________ of its impeller. Fourth power of diameter Cube of diameter Diameter Square of diameter Fourth power of diameter Cube of diameter Diameter Square of diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reaction turbines are used for High head Low head and high discharge High head and low discharge Low head High head Low head and high discharge High head and low discharge Low head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere lowest pressure intensity occurs at front stagnation point total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point 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 × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS