Barometer is used to measure velocity of liquid atmospheric pressure pressure in

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Question
Barometer is used to measure
Options
A. velocity of liquid
B. atmospheric pressure
C. pressure in pipes and channels
D. difference of pressure between two points in a pipe

Correct Answer

atmospheric pressure

Hydraulics and Fluid Mechanics problems

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3. In case of flow through parallel pipes,
Options
A. the head loss for all the pipes is same
B. the total discharge is equal to the sum of discharges in the various pipes
C. the total head loss is the sum of head losses in the various pipes
D. Both (A) and (B)

4. An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.
Options
A. less than twice
B. more than twice
C. less than three times
D. more than three times

5. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct?
Options
A. The pressure on the wall at the liquid level is minimum.
B. The pressure on the bottom of the wall is maximum.
C. The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum
D. The pressure on the bottom of the wall is zero.

8. A tank of uniform cross-sectional area (A) containing liquid upto height (H₁) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H₁ to H₂ will be
Options
A.
B.
C.
D.

9. Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as
Options
A. lift
B. drag
C. stagnation pressure
D. bulk modulus

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