Time Left - 20:00 mins

GATE CE: Fluid Mechanics Champion Quiz 2

Attempt now to get your rank among 1561 students!

Question 1

A velocity field is given as $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\Civil Engg\Civil Engineeing-04-Apr\Civil-Engineering-2004_files\image211.png$ where x and y are in metres. The acceleration(magnitude) of a fluid particle at (x, y) = (1, 1) is ___.

Question 2

For a body completely submerged in a fluid, the centre of gravity (G) and centre of Buoyancy (O) are known. The body is considered to be in stable equilibrium if

Question 3

The velocity in m/s at a point in a two–dimensional flow is given as $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\Civil Engg\Civil Engineeing-04-Apr\Civil-Engineering-2004_files\image244.png$ . The equation of the stream line passing through the point is

Question 4

For steady, fully developed flow inside a straight pipe of diameter D neglecting gravity effects, the pressure drop Δp over a length L and the wall shear stress

are related by

Question 5

A fluid is undergoing "incompressible" flow. Which among the following is correct?

Question 6

Water flows through a pipe having an inner radius of 10 mm at the rate or 36 kg/hr at 25 °C The viscosity of water at 25 °C is 0.001 kg/m.s. The Reynolds number of the flow is ______

Question 7

The terminal velocity of a sphere settling in a viscous fluid varies as