Environmental Engineering-I (CE-602) - Important Questions

Using logistic curve method with three censuses at equal intervals, determine saturation population, logistic equation/coefficients and forecast population for next interval.

Numerically compute fire demand using empirical formulae such as Kuichling's and Boston's formula for a given population.

Explain the water quality standards including physical, chemical and biological characteristics of drinking water with desirable limits as per BIS standards.

Explain bacteriological analysis of water including total count test, membrane filter technique, coliform index / E-coli and Most Probable Number (MPN).

Describe the design principles and working of coagulation-flocculation and sedimentation with coagulation units with sketches, including factors affecting coagulation and commonly used chemicals.

What is sedimentation and describe the various types of sedimentation tanks used?

What is disinfection? Explain break point chlorination.

Compare the differences between centrifugal pumps and displacement (positive displacement) type pumps.

Explain variation / fluctuation in sewage inflow including average flow, dry weather flow and maximum flow.

Describe sewer appurtenances in detail.

Explain the conservancy system and the water carriage system for sanitation, including comparison.

Explain the concept of BOD and COD, their principles, measurement, and comparison of applications.

Explain the different natural methods of waste water disposal i.e. by land treatment and by dilution.

Explain the physical, chemical and biological characteristics of wastewater and their significance in wastewater treatment.

Discuss the factors affecting per capita / water demand of water supply.

Compare the design and working features of slow sand filter and rapid sand filter.