Hydraulics and Fluid Mechanics in ME The unit of surface tension is N/m2 N-m N/m N/m3 N/m2 N-m N/m N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)4 Directly proportional to (radius)2 Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)4 Directly proportional to (radius)2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/3 L L/4 L/2 L/3 L L/4 L/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Less than unity Unity Between 1 and 6 None of these Less than unity Unity Between 1 and 6 None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation is caused by weak material high pressure low pressure high velocity weak material high pressure low pressure high velocity ANSWER DOWNLOAD EXAMIANS APP
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