Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Bent backward Radial Bent forward Straight Bent backward Radial Bent forward Straight ANSWER DOWNLOAD EXAMIANS APP
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 L/4 L/2 L/3 L L/4 L/2 L/3 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 The velocity of jet of water travelling out of opening in a tank filled with water is proportional to head of water (h) h2 V/T h2 head of water (h) h2 V/T h2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In axial flow fans and turbines, fluid enters and leaves as follows Radially, radially Radially, axially Axially, radially Axially, axially Radially, radially Radially, axially Axially, radially Axially, axially ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas is independent of pressure for very high pressure intensities is independent of temperature increases with increase in temperature decreases with increase in temperature is independent of pressure for very high pressure intensities is independent of temperature increases with increase in temperature decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
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