Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. IG / Ax̅ above Ax̅ / IG above Ax̅ / IG below IG / Ax̅ below IG / Ax̅ above Ax̅ / IG above Ax̅ / IG below IG / Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.423 D 0.223 D 0.577 D 0.707 D 0.423 D 0.223 D 0.577 D 0.707 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 2000 Between 2000 and 4000 Less than 4000 More than 4000 Less than 2000 Between 2000 and 4000 Less than 4000 More than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of viscosity may be determined by Rotating cylinder method Capillary tube method All of these Orifice type viscometer Rotating cylinder method Capillary tube method All of these Orifice type viscometer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure increases increases first upto certain limit and then decreases remains constant decreases increases increases first upto certain limit and then decreases remains constant decreases 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. 0.67 times 0.81 times 0.34 times 0.95 times 0.67 times 0.81 times 0.34 times 0.95 times ANSWER DOWNLOAD EXAMIANS APP