MIDTERM

Question 1

4 Types of Sewage Disposal System

Answer 1

1. The Cesspool
2. The Privy
3. The Septic Tank
4. The Public Sewer Line

Question 2

is a hole in the ground curbed with stones, bricks, concrete hollow blocks, or other materials laid in such a manner as to allow raw contaminated sewage to leach into the soil.

Answer 2

The Cesspool

Question 3

is a concrete sealed vault with a wooden shelter constructed for the collection of raw sewage.

Answer 3

Privy

Question 4

The disintegration of excrement is accomplished in the same manner as in a cesspool.

Answer 4

Privy

Question 5

It is objectionable because of the danger of contaminating the source of water supply

Answer 5

Privy

Question 6

Is a device or receptacle used to expedite the decomposition of the elements contained in a raw sewage waste.

Answer 6

Septic Tank

Question 7

The organic wastes accumulate and finally disposed of by disintegration process

Answer 7

Cesspool

Question 8

Raw sewage consists of water, and settleable solid called organic materials that can be precipitated in a septic tank in a very short time.

Answer 8

Septic Tank

Question 9

is a public sewage system, operated and maintained by the government consisting of a sewage treatment plant that conveys the raw seawge from buildings and houses to a disposal system

Answer 9

Public Sewer Line

Question 10

Types of sewage disposal that are already obsolete

Answer 10

Cesspool and Privy

Question 11

Three types of Public Sewer Line

Answer 11

1. The Combination Public Sewer
2. The Sanitary Sewer
3. The Storm Drain

Question 12

is the oldest type of public sewer that conveys both storm water and sanitary wastes.

Answer 12

The Combination Public Sewer

Question 13

Type of Public Sewer Line that is already obsolete and no longer allowed by sanitary authorities

Answer 13

Combination Public Sewer

Question 14

Is a public sewer facility that carries regular sanitary wastes only

Answer 14

Sanitary Sewer

Question 15

It terminates in a modern sewage dispersal plant

Answer 15

Sanitary Sewer

Question 16

Rainwater is not permitted to enter into this type of public sewer

Answer 16

Sanitary Sewer

Question 17

Two types of Sanitary Sewer

Answer 17

1. The Intercepting or Trunk Line Sewer
2. The Tributary or Contributing Sewer

Question 18

is a sanitary sewer that conveys sanitary waste to a dispersal plant

Answer 18

Intercepting Sewer

Question 19

Commonly made of concrete pipe that varies in sizes from 0.60 to 3 meters in diameter and pipes are laid underground to a minimum depth of about 3 meters, depending upon the natural contour of the ground

Answer 19

Intercepting Sewer

Question 20

Is classified as an intercepting sewer branch where pipe is made of either vitrified clay concrete pipe laid in an open trench.

Answer 20

Tributary Sewer

Question 21

Generally smaller in diameter installed not more than 3 meters below the street grade and terminate into the intercepting sewer

Answer 21

Tributary Sewer

Question 22

Is another kind of public sewer line that carries storm water. It terminates in a natural drain such as canals, lakes or rivers

Answer 22

Storm Drain

Question 23

Is classified as a device of the main and storm sewer.

Answer 23

Manhole

Question 24

It serves as man’s access for inspection, cleaning, and repair.

Answer 24

Manhole

Question 25

It is constructed out of bricks, stone, adobe or concrete at an interval distance from 75 to 150 meters, where diameter varies from 90 to 120 centimeters provided with iron rungs to serve as ladder for the maintenance crew to reach the bottom

Answer 25

Manhole

Question 26

It is provided with a well-fitted cover on top, leveled with the road surface

Answer 26

Manhole

Question 27

Refers to the pump that will discharge waste in the sump and transfer it to the house drain installed overhead

Answer 27

Sewage Ejector

Question 28

Is necessary when the public sewer line was installed at a depth from 2 to 4 meters below the street level

Answer 28

Sewage Ejector