Fluid Mechanics A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) 0.01 0.1 1 10 0.01 0.1 1 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-ellipse Semi-circle Hyperbola Parabola Semi-ellipse Semi-circle Hyperbola Parabola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Inverse square of the diameter Inverse of the fluid viscosity First power of its dimeter Square of the difference in specific weights of solid & fluid Inverse square of the diameter Inverse of the fluid viscosity First power of its dimeter Square of the difference in specific weights of solid & fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field) Increases linearly Increases exponentially Decreases Remains constant Increases linearly Increases exponentially Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Mach number for hypersonic flow of compressible fluid is 1 > 4 < 2 > 1 1 > 4 < 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) 2HW/(H + W)² HW/4(H + W)² HW/2(H + W)² √(HW/π) 2HW/(H + W)² HW/4(H + W)² HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
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