Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure remains constant increases exponentially with elevation varies in the same way as the density decreases linearly with elevation remains constant increases exponentially with elevation varies in the same way as the density decreases linearly with elevation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg - hf H = Hg + hf H = Hg/hf H = Hg × hf H = Hg - hf H = Hg + hf H = Hg/hf H = Hg × hf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The height of a water column equivalent to a pressure of 0.15 MPa is 15.3 m 25.3 m 45.3 m 35.3 m 15.3 m 25.3 m 45.3 m 35.3 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? All of these Flow of oil in measuring instruments Underground flow Flow past tiny bodies All of these Flow of oil in measuring instruments Underground flow Flow past tiny bodies ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηo = ηh × ηm None of these ηh = ηo × ηm ηm = ηm × ηh ηo = ηh × ηm None of these ηh = ηo × ηm ηm = ηm × ηh 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 × sloping side 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth ANSWER DOWNLOAD EXAMIANS APP
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