GATE Exam Welcome Quiz for Civil Engineering

The integral momentum equation requires the following assumption in the flow:

Statement (I): Forced vortex flow is rotational.

Statement (II): Flow in which fluid particles move along a circle is called a rotational flow.

If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, what will be the momentum correction factor?

Which of the following statements regarding design parameters of slow sand filter as compared to Rapid sand filter is/are correct:

1. Coefficient of uniformity of slow sand filter is more

2. Efficiency of bacteria removal of slow sand filter is more

3. Yield of slow sand filter is less

4. Cleaning period of slow sand filter is less

The maximum daily demand of a city is 12 x 10⁵ and the rate of filtration is 50 per litre per hour per m². What is the area of the filter?