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Consider the following statements: 1) At low Reynolds numbers of any flow, viscous forces dominate over inertial forces. 2) Transition from laminar to turbulent flow occurs over a range of Reynolds numbers depending on the surface presented to the flow. Which of the above statements is/are correct?
Which of the following statements is/are CORRECT regarding the flow of fluid? a) All fluid layers are parallel to each other in case of turbulent flow. b) The Reynold’s number is less than 2000 for turbulent flow and greater than 4000 for laminar flow. c) Two fluid layers don’t cross each other in case of laminar flow
What is the degree of agitation if bulk fluid velocity is 23.55 ft/min? (For 6 ft/min., degree of agitation = 1 and Degree of agitation varies from 0 to 10).
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : In view of the violent situation due to students' agitation the state government has decided to close down all the educational institutions in the state for two weeks with immediate effect.

Assumptions :
I. The students' agitation may subside after two weeks.
II. The students may not find a place to come further and continue agitation after the closure of the educational institutions.
Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
During agitation of liquids, power consumption during laminar flow is not proportional to the
The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is
For a real flow over an airfoil, with Reynolds number in the laminar region as it starts, select the incorrect choice.
Which of the following statements are correct?
1. During the period of the fetus actual growth and development is greater than during the period of embryo.
2. During the period of the embryo and fetus growth follows law of developmental direction.
3. Towards the end of the period of the fetus the amount of activity in the leg region is similar to that of the head region.
4. Muscles in the head region comeunder voluntary control first and those in the leg region later.
Select the correct answer
In smooth pipes, Laminar flow is encountered at what value of Reynolds number?