Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately 5 mm 10 mm 20 mm 30 mm 5 mm 10 mm 20 mm 30 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. Contracts None of these Expands Does not change Contracts None of these Expands Does not change ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/3 to 1/2 1/4 to 1/3 1/16 to 1/8 1/8 to 1/4 1/3 to 1/2 1/4 to 1/3 1/16 to 1/8 1/8 to 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called Gauge pressure Positive gauge pressure Absolute pressure Vacuum pressure Gauge pressure Positive gauge pressure Absolute pressure Vacuum pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is at the center of gravity below be center of gravity could be above or below e.g. depending on density of body and liquid above the center of gravity at the center of gravity below be center of gravity could be above or below e.g. depending on density of body and liquid above the center of gravity ANSWER DOWNLOAD EXAMIANS APP
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