Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 10-6 N/mm3 Any one of these 9.81 kN/m3 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 kN/m3 9.81 × 103 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Lower than Higher than Same as None of these Lower than Higher than Same as None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stream lines and path lines always coincide in case of steady flow laminar flow turbulent flow uniform flow steady flow laminar flow turbulent flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Froude's number is the ratio of inertia force to Gravity force Elastic force Surface tension force Pressure force Gravity force Elastic force Surface tension force Pressure force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It has low vapour pressure It can provide longer column due to low density It has low surface tension It is clearly visible It has low vapour pressure It can provide longer column due to low density It has low surface tension It is clearly visible ANSWER DOWNLOAD EXAMIANS APP
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