Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They have slow speeds They give constant efficiency, even if the discharge is not constant All of these They are suitable even for low water heads They have slow speeds They give constant efficiency, even if the discharge is not constant All of these They are suitable even for low water heads ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge 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 Coefficient of contraction is the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately 20 mm 10 mm 30 mm 5 mm 20 mm 10 mm 30 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Newton's law of resistance is based on the assumption that the All of these Fluid particles do not exert any influence on one another Planes of the body are completely smooth Space around the body is completely filled with the fluid All of these Fluid particles do not exert any influence on one another Planes of the body are completely smooth Space around the body is completely filled with the fluid ANSWER DOWNLOAD EXAMIANS APP
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