GWR Training Aug 21-23, 2024

Which state is the first to make Rainwater Harvesting mandatory

• Maharashtra

• Tamil Nadu

• Kerala

• Odisha

The area which collects the rainwater and diverts it to a common point is called the

• Area

• Catch

• Catchment

• None of these

The harvested rainwater from rooftop can be used for

• Groundwater recharge

• Consumption

• Both

• None

Which of the following parameter is important to calculate the rainwater harvesting potential

• Catchment

• Rainfall intensity

• Coefficient of runoff

• All of them

How is rainfall intensity expressed in units?

• cumec

• cusec

• LPS

• mm/hr

Which of the following are also known as the urban sponges

• Lakes and waterbodies

• Groundwater

• Lithology

• None of these

Why is first flush done in Rainwater Harvesting systems?

• To reduce rainwater

• To collect more rainwater

• To remove the catchment impurities with first shower

• None of these

Which rainwater harvesting structure is shown in the image?

• Step well

• Pond

• Traditional lake

• None

Terrace area - 100 sqm

Rainfall - 700 mm

Collecting efficiency - 80 percent

What can be the rainwater harvesting potential (in cubic meters) for this case?

• 56

• 65

• 70

• None of these

Water budgeting is important for rainwater harvesting?

• True

• False