Podcast
Questions and Answers
What is the weight of one litre of pure water at 4°C?
What is the weight of one litre of pure water at 4°C?
- 1 Pa
- 4°C
- 9.81 N (correct)
- 1 kg
What is the unit of pressure defined as a force of one newton over an area of one square metre?
What is the unit of pressure defined as a force of one newton over an area of one square metre?
- Metre
- Newton
- Kilogram
- Pascal (correct)
If one litre of water is spread evenly over the base of a container with an area of one square metre, what pressure will it exert?
If one litre of water is spread evenly over the base of a container with an area of one square metre, what pressure will it exert?
- 9.81 Pa (correct)
- 4 kg
- 1 Pa
- 1 N
How does the pressure exerted at the base of a column of liquid vary?
How does the pressure exerted at the base of a column of liquid vary?
If one litre of mercury is placed in a container with an area of 0.0049 m2, what pressure will it exert?
If one litre of mercury is placed in a container with an area of 0.0049 m2, what pressure will it exert?
What is friction head in a pump?
What is friction head in a pump?
Where is velocity head found in a pumping system?
Where is velocity head found in a pumping system?
What is net positive suction head (NPSH) calculated by taking into account?
What is net positive suction head (NPSH) calculated by taking into account?
What does total dynamic head in a pumping system take into account?
What does total dynamic head in a pumping system take into account?
What is shut-off head in a centrifugal pump?
What is shut-off head in a centrifugal pump?
What is the formula that summarizes the relationship between pressure, density, acceleration due to gravity, and height of liquid?
What is the formula that summarizes the relationship between pressure, density, acceleration due to gravity, and height of liquid?
What is Pascal's Paradox related to in the context of fluid pressure?
What is Pascal's Paradox related to in the context of fluid pressure?
What is static head in a pumping system?
What is static head in a pumping system?
What is dynamic head in a pumping system related to?
What is dynamic head in a pumping system related to?
What does static suction lift measure in a pumping system?
What does static suction lift measure in a pumping system?