If relative density of fluid is 0.08 and volume of fluid is 5 m3 the mass of the liquid is equal to
Question 2
A stream function is given by: Ψ = 2xy + (x+1)y . The flow rate across a line joining points which are obtained by intersection of linesx+2y = 2 and x + y =1, and the intersection of the lines 2x + y = 3 and x + y = 2 ________.
Question 3
The device shown in the below fig. is a
Question 4
Consider a laminar flow at zero incidence over a flat plate. The shear stress at the wall is denoted by . The axial positions x1 and x2 on the plate are measured from the leading edge in the direction of flow. If x2>x1, then
Question 5
Which one of the following statement is TRUE?
Question 6
A rectangular channel 3.75 m wide has a discharge of 7.5 m3/s at a velocity of 1.0 m/s. At a downstream section, the bed width is reduced to 2.0 m through a smooth transition. A smooth flat hump is to be built in this contracted section 50 to cause critical flow for flow measurement purposes. The height of the hump necessary for this purpose is _____ cm. [Assume no less of energy at the transition]
Question 7
A manometer connected to a pipe indicates a negative gauge pressure of 80mm of mercury. What is the absolute pressure in the pipe_______.(take g=9.8m/s2)
Question 8
A cubical block of 40cm side and of 30kg weight is allowed to slide down along a plane inclined at 30° to the horizontal on which there is a film of oil having viscosity 3×10-3Ns/m2. What will be the terminal velocity of the block if the film thickness is 0.03mm (take g =9.8 m/s2)
Question 9
A jet of water 100 mm in diameter having velocity of 25 m/s strikes a series of the flat plates arranged around the periphery of a wheel such that each plate appears successively before the jet. If the plates are moving at a velocity of 10 m/s, the force exerted by the jet on the plate is ______ kN.
Question 10
A barge has rectangular bottom 3000 cm long and 100 cm wide. The barge moves at a velocity of 1.5 m/s. The thickness of boundary layer and shear stress at trailing edge will be
. The axial positions x1 and x2 on the plate are measured from the leading edge in the direction of flow. If x2>x1, then
