Hydraulics and Fluid Mechanics - Mechanical Engineering Questions and Answers

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The centre of buoyancy is the centre of area of the immersed body.

Correct

Incorrect

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The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

The bodies A and B have equal stability

The body A is more stable than body B

The body B is more stable than body A

The bodies A and B are unstable

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In open channels, the specific energy is the

total energy per unit discharge

total energy measured with respect to the datum passing through the bottom of the channel

total energy measured above the horizontal datum

kinetic energy plotted above the free surface of water

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The Bernoulli's equation is based on the assumption that

there is no loss of energy of the liquid flowing

the velocity of flow is uniform across any cross-section of the pipe

no force except gravity acts on the fluid

all of the above