Hydraulics and Fluid Mechanics in ME The increase of temperature results in increase in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas decrease in viscosity of liquid increase in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas decrease in viscosity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as center of buoyancy center of gravity center of pressure metacentre center of buoyancy center of gravity center of pressure metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Mach number Reynold’s number Weber’s number Froude number Mach number Reynold’s number Weber’s number Froude number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls Minimum at the centre and maximum near the walls Maximum at the centre and zero near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls Minimum at the centre and maximum near the walls Maximum at the centre and zero near the walls ANSWER DOWNLOAD EXAMIANS APP
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