1) Describe how you will plan collection and disposal of refuse in your town?

2) prepare detailed notes on:

(i) Natural and artificial ventilation

(ii) Types of lighting

2) Sketch a typical floor plan of a house, showing position of various sanitary fittings, traps, pipes, inspection chamber etc.

3) Differentiate between the systems of plumping used for house drainage and describe with reasons which one is better.

4) prepare brief notes on:

(i) Activated sludge process

(ii) Trickling filter

5) Sketch the septic tank and describe its working and also its suitability.

6) Briefly describe the processes given below in water treatment

(i) Sedimentation with coagulation

(ii) Filtration

7) Water supply connection is needed to be given for terrace building with single storey. prepare down a list of pipes, pipe fittings and valves required for this purpose. Describe with sketch the details of joint connecting water supply main and service pipe.