# 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

3537

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