Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH2/4 wH/2 wH2/2 wH wH2/4 wH/2 wH2/2 wH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is less than the critical depth, the flow is called Torrential flow Critical flow Tranquil flow Turbulent flow Torrential flow Critical flow Tranquil flow Turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to elastic force is known as Weber’s number Reynold’s number Froude number Mach number Weber’s number Reynold’s number Froude number Mach number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure increases first upto certain limit and then decreases decreases increases remains constant increases first upto certain limit and then decreases decreases increases remains constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) (H - hf )/H (H + hf )/H H/(H + hf ) H/(H - hf ) (H - hf )/H (H + hf )/H H/(H + hf ) H/(H - hf ) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 (225)1/3 minutes 4 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP