1. The centre of gravity of the volume of the liquid displaced is called ? centre of pressure centre of buoyancy metacentre none of these Answer: centre of buoyancy Explanation: View Answer Discuss in Forum Report Question

 2. The flow in a pipe or channel is said to be uniform when ? the liquid particles at all sectons have the same velocities the liquid particles at different sections have different velocities the quantity of liquid flowing per second is constant each liquid particle has a definite path Answer: the liquid particles at all sectons have the same velocities Explanation: View Answer Discuss in Forum Report Question

 3. A flow whose streamline is represented by a curve, is called ? one-dimensional flow two-dimensional flow three-dimensional flow four-dimensional flow Answer: two-dimensional flow Explanation: View Answer Discuss in Forum Report Question

 4. The pressure of the liquid flowing through the divergent portion of a venturimeter ? remains constant increases decreases depends upon mass of liquid Answer: decreases Explanation: View Answer Discuss in Forum Report Question

 5. When a body, floating in a liquid, is given a small angular displacement, it starts oscillating a point known as ? centre of pressure centre of gravity centre of buoyancy metacentre Answer: metacentre Explanation: View Answer Discuss in Forum Report Question

 6. The liquid used in manometers should have ? low density high density low surface tension high surface tension Answer: high surface tension Explanation: View Answer Discuss in Forum Report Question

 7. The total energy of a liquid particle in motion is equal to ? pressure energy + (kinetic energy + potential energy) pressure energy - (kinetic energy + potential energy) potential energy - (pressure energy + kinetic energy kinetic energy - (pressure energy + potential energy) Answer: pressure energy + (kinetic energy + potential energy) Explanation: View Answer Discuss in Forum Report Question

 8. A pitot tube is used to measure the ? velocity of flow at the required point in a pipe pressure difference between two points in a pipe total pressure of liquid flowing in a pipe discharge through a pipe Answer: velocity of flow at the required point in a pipe Explanation: View Answer Discuss in Forum Report Question

 9. A flow whose streamline is represented by a straight line, is called .......... dimensional flow. ? one two three four Answer: one Explanation: View Answer Discuss in Forum Report Question

 10. The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select 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 Answer: The body B is more stable than body A Explanation: View Answer Discuss in Forum Report Question