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Standard VII

Physics

Relation between Depth and Pressure

A water tank ...

Question

A water tank has four taps fixed at points A, B, C and D as shown in the figure. The water will flow out at the same pressure from taps at position:

A and B

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B and C

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A and C

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C and D

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Solution

The correct option is B B and C
The pressure changes with the depth of the water level in the tank. Since, taps B and C are at the same depth, pressure will be the same for water coming out of these two taps.

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Similar questions

Question 7

A water tank has four taps fixed at points A, B, C, D as shown in the figure. The water will flow out at the same pressure from taps at

(a) B and C
(b) A and B
(c) C and D
(d) A and C

Q. The figure shows the commonly observed decrease in diameter of a water stream as it falls from a tap. The tap has internal diameter

D_{0}

and is connected to a large tank of water. The surface of the water is at a height b above the end of the tap. By considering the dynamics of a thin "cylinder' of water in the stream answer the following: (ignore any resistance to the flow and any effects of surface tension, given

ρ_{w}

density of water)
1. Which of the following equation expresses the fact that the flow rate at the tap is the same as at the stream point with diameter D and velocity v (i.e. D in terms of

D_{0}

v_{0}

and v will be):

Q. A tap fills a tank completely with water in

5

hours. The tap on the bottom of tank being kept open, it takes

6

hours to fill the tank with water. In how many hours does the tap at the bottom completely drain out water from the tank?

Q. A tap is attached to a water tank as shown in figure. Water level above the tap is maintained at

h = 0.2 m

. The cross-sectional area of the tap is

\sqrt{2} \times 10^{- 4} m^{2}

. Assuming constant pressure throughout the stream of water, find the velocity & cross-sectional area of the stream

0.2 m

below the opening of the tap :-

[Assume g = 10 {m/s}^{2}]

Q. Tap

A

can fill a water tank in 12 min, tap

B

will fill the same tank in 10 min and tap

C

can empty the tank in 6 min. If all the three taps are opened together, in how many minutes will the tank be completely filled up or emptied?

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A water tank has four taps fixed at points A, B, C and D as shown in the figure. The water will flow out at the same pressure from taps at position:

The correct option is B B and C The pressure changes with the depth of the water level in the tank. Since, taps B and C are at the same depth, pressure will be the same for water coming out of these two taps.

The correct option is B B and C
The pressure changes with the depth of the water level in the tank. Since, taps B and C are at the same depth, pressure will be the same for water coming out of these two taps.