JAYAMATHA ENGINEERING COLLEGE

ARALVAIMOZHI

INTERNAL ASSESSMENT TEST – II

BRANCH: CIVIL SEM: V

SUBJECT: CE6503/ ENVIRONMENTAL ENGINEERING - I TIME: 2 HRS

PART – A (5X2 = 10 Marks)

1. What are the two types of ‘Intake’ according to their position?2. How will you calculate the total head in the design of pumps for water supply schemes?3. What are the assumptions in a incremental increase method to forecast population?4. How to manage residue in water treatment plant?5. List various types of pipes?

PART – B (8 Mark)

1. a) Classify various types of pipes and write their advantages and disadvantages?

(OR)

b) Discuss the factors influencing the selection of a pump?

PART – C (16X2 = 32 Marks)

1. a) The population of 4 decades from 1940 to 1970 are given below. Find the population in next three decades from 1970. By using Arithmetic Increase method

Year 1940 1950 1960 1970

Population 8000 12000 17000 22500

(OR)

b) The population of 4 decades from 1940 to 1970 are given below. Find the population

in next three decades from 1970. By using Geometrical Increase method

Year 1940 1950 1960 1970

Population 8000 12000 17000 22500

2. a) Discuss about hydraulics of flow in pipes?

(OR)

b) What are the various process required to remove the various types of impurities? Explain in detail.