Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 less than 2000 between 2000 and 4000 more than 4000 less than 4000 less than 2000 between 2000 and 4000 more than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 5kN lOkN 20 kN 15 kN 5kN lOkN 20 kN 15 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure above the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be h/w w/h h wh h/w w/h h wh ANSWER DOWNLOAD EXAMIANS APP