## 31. The exit cone angle in case of a standard venturimeter is __________ the entrance cone angle.

## 32. Transition length for a turbulent fluid entering into a pipe is around __________ times the pipe diameter.

## 33. The maximum discharge through a circular channel takes place, when the depth of the fluid flow is __________ times the pipe diameter.

## 34. Transition length for turbulent flow in smooth pipe is equal to __________ times the pipe diameter.

## 35. The uniformity of a gas fluidised bed depends upon the __________ of the solid particles.

## 36. Power loss in an orificemeter is __________ that in a venturimeter.

## 37. The terminal velocity of a particle moving through a fluid varies as d_{p}^{n}. The value of n is equal to __________ in Stoke's law regime.

_{p}

^{n}. The value of n is equal to __________ in Stoke's law regime.

## 38. For the production of very high vacuum, a __________ pump is normally used.

## 39. Drag co-efficient in hindered settling is __________ that in free settling.

## 40. Centre of pressure in an immersed body is __________ the centre of gravity.

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