Fluid Mechanics - Study Mode
[#361] Boundary layer separation is characterised by one of the conditions given below, where 'Re' is the Reynolds number for the flow. Select the appropriate conditions.
Correct Answer
(D) Re >>1, decelerating flow
[#362] For the same terminal conditions and fitting size, the least friction loss is incurred in a/an
Correct Answer
(B) Union
[#363] The ratio of the depth of flow to the hydraulic radius for the most economical trapezoidal section, in open channel flow is
Correct Answer
(D) 2
[#364] The fluid property, due to which, mercury does not wet the glass is
Correct Answer
(A) Surface tension
[#365] The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the
Correct Answer
(C) Suction minus vapor pressure of the liquid at suction temperature