Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/2 L L/3 L/4 L/2 L L/3 L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Kaplan turbine runner, the numbers of blades are generally between 4 to 8 8 to 16 16 to 24 2 to 4 4 to 8 8 to 16 16 to 24 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly enlarged to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden enlargement is (v₁² - v₂²)/2g (v₁ - v₂)²/2g (v₁² - v₂²)/g (v₁ - v₂)²/g (v₁² - v₂²)/2g (v₁ - v₂)²/2g (v₁² - v₂²)/g (v₁ - v₂)²/g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of Actual discharge through an orifice to the theoretical discharge 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 Actual discharge through an orifice to the theoretical discharge 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ above IG sinθ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to 1 kg 10 kg 1000 kg 100 kg 1 kg 10 kg 1000 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
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