Hydraulics and Fluid Mechanics in ME An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is 9.81 m/sec² 9 m/sec 10 m/sec² 9.75 m/sec² 9.81 m/sec² 9 m/sec 10 m/sec² 9.75 m/sec² 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 × depth 1/2 × breadth 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × depth 1/2 × breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. More than twice More than three times Less than three times Less than twice More than twice More than three times Less than three times Less than twice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.40 cm 0.20 cm 0.05 cm 0.10 cm 0.40 cm 0.20 cm 0.05 cm 0.10 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum discharge over a broad crested weir is 0.384 Cd × L × H1/2 1.71 Cd × L × H3/2 0.384 Cd × L × H3/2 1.71 Cd × L × H1/2 0.384 Cd × L × H1/2 1.71 Cd × L × H3/2 0.384 Cd × L × H3/2 1.71 Cd × L × H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2g × √H 2gH H × √(2g) √(2gh) 2g × √H 2gH H × √(2g) ANSWER DOWNLOAD EXAMIANS APP