Test your knowledge

Question 1 of 8

Intermediate

Of the three anti-flooding systems, why is the lifting station the superior system?

It is located outside the building which means bad odour is never a problem

The storage volume is high and it is easy to assemble and install

It is pre-assembled and its location inside the building makes it easily accessible for service. Furthermore, it offers maximum backflow and flooding protection

Question 2 of 8

Intermediate

Which method of backflow prevention has the following disadvantages: Highly sensitive to sand and solid objects in the water. In a backflow situation, it is not possible to use the sanitary facilities that are connected to this device. Storm water drains cannot be connected to this device. The device is not 100% safe and should be used only to protect secondary rooms with no vital technical installations.

Anti-flooding valves

Pumping stations

Lifting stations

Question 3 of 8

Intermediate

What is grey wastewater?

Water, which is discharged from showers, sinks, washing machines, canteen kitchens etc.

Water which is primarily discharged from toilets

Water which has not been affected by human influence

Question 4 of 8

Intermediate

Who has the financial responsibility in the case of flooding in most countries?

The building owner and the building designers

The government and the wastewater authorities

The building designers and the contractors

Question 5 of 8

Intermediate

Which method of backflow prevention has the following advantages: Offers maximum backflow and flooding protection. Ideal for safeguarding electrical and other high value equipment. Offers unlimited use of sanitary facilities in case of backflow. Is easily serviced. Can be installed in a building’s storm water drains. Is not sensitive to sand and solid objects in the water.

Anti-flooding valves

Pumping stations

Lifting stations

Question 6 of 8

Intermediate

Which method of backflow prevention has the following advantages: Offers maximum backflow and flooding protection: Is not sensitive to fat, grease, sands and solids in the water. Makes it possible to use sanitary facilities in case of backflow. Offers protection for paved areas. Can be connected to buildings’ storm water drains.

Anti-flooding valves

Pumping stations

Lifting stations

Question 7 of 8

Intermediate

Which three factors have increased the risk of flooding and back flow?

A higher frequency of rainfalls, increased length of rainfalls and more paved areas today than earlier.

A higher frequency of rainfalls, unmaintained sewers and an increase in paved areas

A higher frequency of rainfalls and buildings that are poorly equipped for increased amounts of water.

Question 8 of 8

Intermediate

Which treatment is necessary for storm water?

It has to go through an oil/petrol separator

It has to go through a sand pressure

None – it is pumped directly to the recipient

Question 8 of 8

Intermediate

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1: Of the three anti-flooding systems, why is the lifting station the superior system?

It is located outside the building which means bad odour is never a problem

You can find the answer here >

1: Of the three anti-flooding systems, why is the lifting station the superior system?

The storage volume is high and it is easy to assemble and install

You can find the answer here >

1: Of the three anti-flooding systems, why is the lifting station the superior system?

It is pre-assembled and its location inside the building makes it easily accessible for service. Furthermore, it offers maximum backflow and flooding protection

2: Which method of backflow prevention has the following disadvantages: Highly sensitive to sand and solid objects in the water. In a backflow situation, it is not possible to use the sanitary facilities that are connected to this device. Storm water drains cannot be connected to this device. The device is not 100% safe and should be used only to protect secondary rooms with no vital technical installations.

Anti-flooding valves

Pumping stations

You can find the answer here >

Lifting stations

You can find the answer here >

3: What is grey wastewater?

Water, which is discharged from showers, sinks, washing machines, canteen kitchens etc.

3: What is grey wastewater?

Water which is primarily discharged from toilets

You can find the answer here >

3: What is grey wastewater?

Water which has not been affected by human influence

You can find the answer here >

4: Who has the financial responsibility in the case of flooding in most countries?

The building owner and the building designers

4: Who has the financial responsibility in the case of flooding in most countries?

The government and the wastewater authorities

You can find the answer here >

4: Who has the financial responsibility in the case of flooding in most countries?

The building designers and the contractors

You can find the answer here >

5: Which method of backflow prevention has the following advantages: Offers maximum backflow and flooding protection. Ideal for safeguarding electrical and other high value equipment. Offers unlimited use of sanitary facilities in case of backflow. Is easily serviced. Can be installed in a building’s storm water drains. Is not sensitive to sand and solid objects in the water.

Anti-flooding valves

You can find the answer here >

Pumping stations

You can find the answer here >

Lifting stations

6: Which method of backflow prevention has the following advantages: Offers maximum backflow and flooding protection: Is not sensitive to fat, grease, sands and solids in the water. Makes it possible to use sanitary facilities in case of backflow. Offers protection for paved areas. Can be connected to buildings’ storm water drains.

Anti-flooding valves

You can find the answer here >

Pumping stations

Lifting stations

You can find the answer here >

7: Which three factors have increased the risk of flooding and back flow?

A higher frequency of rainfalls, increased length of rainfalls and more paved areas today than earlier.

7: Which three factors have increased the risk of flooding and back flow?

A higher frequency of rainfalls, unmaintained sewers and an increase in paved areas

You can find the answer here >

7: Which three factors have increased the risk of flooding and back flow?

A higher frequency of rainfalls and buildings that are poorly equipped for increased amounts of water.