Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 103 N/m3 9.81 kN/m3 Any one of these 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 9.81 kN/m3 Any one of these 9.81 × 10-6 N/mm3 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 = (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (3/4) × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) C × √(m × i) AC × √(m × i) mi × √(A × C) A × √(m × i) C × √(m × i) AC × √(m × i) mi × √(A × C) A × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Centrifugal Axial flow Reciprocating Mixed flow Centrifugal Axial flow Reciprocating Mixed flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of 0.392 0.688 0.492 0.848 0.392 0.688 0.492 0.848 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth meter is used to measure Velocity of flow in an open channel Depth of channel Hydraulic jump Depth of flow in an open channel Velocity of flow in an open channel Depth of channel Hydraulic jump Depth of flow in an open channel ANSWER DOWNLOAD EXAMIANS APP