Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.36 0.56 0.46 0.26 0.36 0.56 0.46 0.26 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME To avoid an interruption in the flow of a siphon, an air vessel is provided At the summit At any point between inlet and outlet At the inlet At the outlet At the summit At any point between inlet and outlet At the inlet At the outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP