1. The resultant upward pressure of the fluid on an immersed body is called
2. Which of the following meters is not associated with viscosity
3. Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by
4. The process of diffusion of one liquid into the other through a semi-permeable membrane is called
5. The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar)
6. If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then
7. In an immersed body, center of pressure is
8. In an isothermal atmosphere, the pressure
9. Rain drops are spherical because of
10. To avoid an interruption in the flow of a syphon, an air vessel is provided
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