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) wH wH/2 wH2/4 wH2/2 wH wH/2 wH2/4 wH2/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.81 times 0.95 times 0.67 times 0.34 times 0.81 times 0.95 times 0.67 times 0.34 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow through a long pipe at decreasing rate is called __________ uniform flow. Unsteady None of these Steady Both A and B Unsteady None of these Steady Both A and B ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by dQ/Q = (3/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Remain unaffected Increase Decrease May increase or decrease depending on the characteristics of liquid Remain unaffected Increase Decrease May increase or decrease depending on the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) 3flv²/2gd 4flv²/2gd flv²/2gd flv²/gd 3flv²/2gd 4flv²/2gd flv²/2gd flv²/gd ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS