Hydraulics and Fluid Mechanics in ME The pitot tube is used to measure velocity at stagnation point static pressure dynamic pressure stagnation pressure velocity at stagnation point static pressure dynamic pressure stagnation pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is 32 km 4 km 8 km 20 km 32 km 4 km 8 km 20 km ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × depth 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having lower surface tension higher surface tension surface tension is no criterion high density and viscosity lower surface tension higher surface tension surface tension is no criterion high density and viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then No flow will take place Cavitation will be formed Efficiency will be low Excessive power will be consumed No flow will take place Cavitation will be formed Efficiency will be low Excessive power will be consumed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.585 a.√(2gH) 0.855 a.√(2gH) 1.855 aH.√(2g) 5.85 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 1.855 aH.√(2g) 5.85 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP