Give the sequence of units to be installed for a typical water Supply project.
[3 marks]Distinguish between continuous supply system and intermittent supply system.
[4 marks]Enlist and explain the various factors affecting the rate of demand of water.
[7 marks]Draw a neat sketch of centrifugal pump and shows all the component parts of it.
[3 marks]Acity has a population of 60000. It is to be supplied with water at 250LPCD. Calculate B.H.P. of motor to raise the water to an overhead tank 60 m high. The length and diameter of rising main are 300 m and 30 cm respectively. The efficiency of motor is 95% and that of pump is 60%. Assume f’ = 0.04 and peak hour demand as 1.50 times the average demand. Unit weight of water y = 1000/m3
[4 marks]Write a short note on reservoir intake with neat sketch.
[7 marks]Discuss canal intake with sketch.
[7 marks]Define trap. Give the classification of trap according to the shape.
[3 marks]Draw a dead end distribution system and highlight its advantages.
[4 marks]Enlist and explain the steps for lying of water supply pipes.
[7 marks]Define following terms: 1. Sullage 2. Intercepting Sewer 3. Invert
[3 marks]Differentiate between conservancy and water carriage system.
[4 marks]Enlist and explain five patterns of collection system of sewage.
[7 marks]Enlist the factors to be considered while selecting the materials for sewers and explain any one in brief.
[3 marks]Calculate the design flow for which a separate sewer is to be designed with given rate of supply of water is 255 LPCD and for a population of 1000 people.
[4 marks]Enlist Non-circular shapes of sewers and explain following with sketch: 1. Semi-Elliptical 2. Horse-Shoe Section 3. Basket handle1
[7 marks]What do you mean by surface drains? Explain semi circular surface drain with drawing.
[3 marks]Define sewer Appurtenances and draw a sketch of Drop manhole.
[4 marks]Differentiate between followings: 1. Cleanouts and inlets. 2. Leaping weir and overflow weir
[7 marks]Describe sluice valve with diagram.
[3 marks]Discuss about collar joint.
[4 marks]Differentiate between combined sewerage system and separate sewerage system.
[7 marks]Differentiate between gravity and pumping system.
[3 marks]Explain the significance of minimum and maximum velocities of flow in the design of sewers.
[4 marks]Enlist and explain the factors affecting on the quantity of storm sewage.
[7 marks]