SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

The top of a water tank is open to air and its water level is maintained.  It is giving out 0.74 m3 water per minute through a circular opening of 2 cm radius in its wall.  The depth of the centre of the opening from the level of water in the tank is close to:

a.

9.6m

b.

4.8m

c.

2.9m

d.

6.0m


Question ID - 50185 :-

The top of a water tank is open to air and its water level is maintained.  It is giving out 0.74 m3 water per minute through a circular opening of 2 cm radius in its wall.  The depth of the centre of the opening from the level of water in the tank is close to:

a.

9.6m

b.

4.8m

c.

2.9m

d.

6.0m

1 Answer
5876 Votes
3537

Answer Key : (b) -

In flow volume = outflow volume

  =( -4)

 

  =

= ( 2=10)

   h=

 h 4.8m



Next Question :

The pitch and the number of divisions, on the circular scale, for a given screw gauge are 0.5 mm and 100 respectively.  When the screw gauge is fully tightened without any object, the zero of its circular scale lies 3 divisions below the mean line.  The reading of the main scale and the circular scale, for a thin sheet, are 5.5 mm and 48 respectively, the thickness of this sheet is:

a.

5.755m

b.

5.725mm

c.

5.740m

d.

5.950mm


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