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 In an immersed body, centre of pressure is Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity At the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q⁴/g)1/5 (q³/g)1/4 (q²/g)1/3 (q/g)1/2 (q⁴/g)1/5 (q³/g)1/4 (q²/g)1/3 (q/g)1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have Low density High density High surface tension Low surface tension Low density High density High surface tension Low surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (W/p) × (A/a) (W/p) × (a/A) (p/W) × (a/A) (p/W) × (A/a) (W/p) × (A/a) (W/p) × (a/A) (p/W) × (a/A) (p/W) × (A/a) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The continuity equation is connected with Compressibility of fluids Steady/unsteady flow Conservation of mass Open channel/pipe flow Compressibility of fluids Steady/unsteady flow Conservation of mass Open channel/pipe flow ANSWER DOWNLOAD EXAMIANS APP