Toluna Interview Questions and Answers

Different types of pipes and fittings are used in plumbing work.

• Copper pipes and fittings are commonly used for water supply lines.

• PVC pipes and fittings are used for drainage and waste systems.

• PEX pipes and fittings are popular for both water supply and heating systems.

• Galvanized steel pipes and fittings are used for water supply lines in older buildings.

• Brass pipes and fittings are often used for valves and faucets.

• Cast iron pipes and fittings are used for sewer lines.

• CPVC ...read more

The ideal pH of water should be around 7, which is considered neutral.

• The pH scale ranges from 0 to 14, with 7 being neutral.

• Water with a pH below 7 is considered acidic, while water with a pH above 7 is considered alkaline.

• Different uses of water may require different pH levels. For example, drinking water should ideally have a pH between 6.5 and 8.5.

• pH levels in water can be influenced by various factors such as minerals, pollutants, and environmental conditions.

A booster pump is a device used to increase the pressure and flow rate of a fluid.

• It is commonly used in plumbing systems to enhance water pressure in buildings.

• Booster pumps are often installed in areas with low water pressure, such as high-rise buildings or remote locations.

• They can be electrically powered or driven by an engine.

• Booster pumps can be used for various applications, including irrigation systems, firefighting, and water supply.

• They work by taking in water at a ...read more

A transfer pump is a device used to move fluids from one location to another.

• Transfer pumps are commonly used in plumbing to move water or other liquids.

• They can be powered by electricity, gasoline, or manual operation.

• Transfer pumps are often used in situations where there is a need to drain or transfer large volumes of liquid, such as emptying a pool or transferring fuel.

• Examples of transfer pumps include submersible pumps, centrifugal pumps, and diaphragm pumps.

The slope of a SP line refers to the steepness or incline of the line.

• The slope is a measure of how much the line rises or falls as it moves horizontally.

• It can be positive, negative, or zero depending on the direction of the line.

• A positive slope indicates an upward incline, while a negative slope indicates a downward incline.

• A slope of zero means the line is horizontal.

• The slope can be calculated by finding the change in y-coordinates divided by the change in x-coordinates ...read more