The weight per unit volume of a liquid at a standard temperature and pressure is

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Question
The weight per unit volume of a liquid at a standard temperature and pressure is called
Options
A. specific weight
B. mass density
C. specific gravity
D. none of these

Correct Answer

specific weight

Hydraulics and Fluid Mechanics problems

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2. The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.
Options
A. The bodies A and B have equal stability
B. The body A is more stable than body B
C. The body B is more stable than body A
D. The bodies A and B are unstable

4. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)
Options
A. wH
B. wH/2
C. wH²/2
D. wH²/3

7. 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 empty the tank completely will be
Options
A.
B.
C.
D.

9. In open channels, the specific energy is the
Options
A. total energy per unit discharge
B. total energy measured with respect to the datum passing through the bottom of the channel
C. total energy measured above the horizontal datum
D. kinetic energy plotted above the free surface of water

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