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WorksheetsD58 MASTER THE DAY
Total questions: 107
Worksheet time: 2hrs 47mins
Name
Class
Date
1.
Which sewer section is outdated and not generally used today?
a)
Basket handle
b)
Parabolic
c)
U-shaped
d)
Semi-circular
2.
Which material is used in sewers and is painted with coal tar for corrosion protection?
a)
RCC
b)
Cast iron
c)
Steel
d)
Asbestos
3.
Which sewer pipe material is cheapest but weak in tension?
a)
Plastic
b)
Stoneware
c)
Steel
d)
Lead
4.
What is the maximum size of aggregate used in PCC sewers?
a)
6 mm
b)
10 mm
c)
20 mm
d)
12 mm
5.
Which system is most suitable for hilly regions?
a)
Combined system
b)
Separate system
c)
Partially combined system
d)
Dry system
6.
Which sewer connects buildings to the public sewer system?
a)
Main sewer
b)
Lateral sewer
c)
House sewer
d)
Sub-main sewer
7.
Which sewer material is strong, impervious and used for pressure mains?
a)
Plastic
b)
Lead
c)
Steel
d)
Brick
8.
Which type of sewer is used to carry flow from collecting system to treatment?
a)
Main sewer
b)
Outfall sewer
c)
Relief sewer
d)
Intercepting sewer
9.
What is the typical concrete mix used for RCC sewer construction?
a)
1:2:4
b)
1:1.5:3
c)
1:3:6
d)
1:2:2
10.
Which type of sewer deals with domestic and industrial waste but not rainwater?
a)
Combined sewer
b)
Storm sewer
c)
Sanitary sewer
d)
Trunk sewer
11.
Which sewer has a crown lined with vitrified clay to resist H₂S corrosion?
a)
Cast iron sewer
b)
RCC sewer
c)
Plastic sewer
d)
Lead sewer
12.
Which pipe material is used for odd bends and soft flexible shapes?
a)
Steel
b)
Brick
c)
Lead
d)
RCC
13.
Which sewer system is most suited for areas where excavation is easy?
a)
Separate system
b)
Partially combined system
c)
Combined system
d)
Dry system
14.
What is a key demerit of using brick sewers today?
a)
High cost
b)
Corrosion resistance
c)
Short life
d)
Outdated technology
15.
Which type of sewer receives discharge from two or more lateral sewers?
a)
Main sewer
b)
House sewer
c)
Sub-main sewer
d)
Outfall sewer
16.
Which sewer is located at the end of sewer network and connects to disposal?
a)
Relief sewer
b)
Outfall sewer
c)
House sewer
d)
Lateral sewer
17.
Which pipe material is known for long life up to 100 years and high strength?
a)
Lead
b)
Steel
c)
Cast iron
d)
RCC
18.
Which sewer type is also known as transverse sewer intercepting mains?
a)
Lateral sewer
b)
Sub-main sewer
c)
Intercepting sewer
d)
Outfall sewer
19.
Which type of sewer section is adopted for soft soil and diameters >1.8m?
a)
Parabolic
b)
Semi-elliptical
c)
Circular
d)
Horse-shoe
20.
Which pipe material is used for toilets and geyser connections?
a)
Brick
b)
Lead
c)
Cast iron
d)
Plastic
21.
Which sewer material is strong in tension, compression and bending?
a)
Cast iron
b)
Stoneware
c)
Brick
d)
Asbestos
22.
Which sewer receives flow from sub-main sewers?
a)
House sewer
b)
Main sewer
c)
Lateral sewer
d)
Outfall sewer
23.
Which shape is adopted for large stormwater drains?
a)
Egg-shaped
b)
Box/Rectangular
c)
Basket handle
d)
Parabolic
24.
Which sewer component is the origin of the sewerage system?
a)
Lateral sewer
b)
House sewer
c)
Main sewer
d)
Outfall sewer
25.
Which sewer type carries sewage to a disposal or treatment point?
a)
Intercepting sewer
b)
House sewer
c)
Relief sewer
d)
Outfall sewer
26.
Which pipe is patented and known as Hume pipe?
a)
Brick pipe
b)
RCC pipe
c)
Cast iron pipe
d)
Steel pipe
27.
Which shape of sewer maintains high mean depth even at low flow?
a)
Circular
b)
Parabolic
c)
Egg-shaped
d)
Semi-circular
28.
Which sewer is used to carry excess storm sewage from combined sewers?
a)
Relief sewer
b)
Depressed sewer
c)
Outfall sewer
d)
House sewer
29.
Which material is cheapest and hydraulically efficient for lateral sewers?
a)
Steel
b)
Vitrified clay
c)
RCC
d)
Brick
30.
Which shape of sewer has top semicircular, sides vertical and bottom flat?
a)
U-shaped
b)
Basket handle
c)
Horse-shoe
d)
Semi-elliptical
31.
Which sewer is not suitable in dry season due to non-utilization?
a)
House sewer
b)
Storm drain in separate system
c)
Main sewer
d)
Relief sewer
32.
Which material is impervious, costly, and suitable for trunk sewers?
a)
Lead
b)
Steel
c)
RCC
d)
Plastic
33.
Which shape is used for sewers in open cuts and has vertical sides?
a)
Egg-shaped
b)
Basket handle
c)
U-shaped
d)
Box-shaped
34.
Which shape of sewer has better stability but poor performance at low depth?
a)
Semi-elliptical
b)
Circular
c)
Rectangular
d)
U-shaped
35.
Which pipe material cannot bear heavy compressive loads?
a)
RCC
b)
Brick
c)
Asbestos cement
d)
Steel
36.
Statement: RCC sewer pipes are corrosion resistant and require no lining.
a)
True
b)
False
c)
Partially true
d)
True under certain conditions
37.
Which sewer is laid when excavation is not possible due to obstruction?
a)
House sewer
b)
Relief sewer
c)
Depressed sewer
d)
Common sewer
38.
Which material is used for constructing stormwater drains in old cities?
a)
Plastic
b)
Brick
c)
Asbestos
d)
Steel
39.
Which sewer material is replaced nowadays due to low mechanical strength?
a)
Plastic
b)
Steel
c)
Brick
d)
Lead
40.
Which pipe material is not used for pressure lines due to weak tensile strength?
a)
RCC
b)
Vitrified clay
c)
Cast iron
d)
Steel
41.
Which sewer section gives better hydraulic performance at low depth?
a)
Semi-elliptical
b)
Circular
c)
Egg-shaped
d)
U-shaped
42.
Which sewer is used during overflow conditions in existing combined systems?
a)
Sub-main sewer
b)
Relief sewer
c)
Outfall sewer
d)
House sewer
43.
Which material is light, brittle, and hydraulically efficient for small house drains?
a)
RCC
b)
Stoneware
c)
Cast iron
d)
Lead
44.
Which type of sewer system uses two separate lines for sewage and stormwater?
a)
Combined system
b)
Separate system
c)
Partially combined system
d)
Dry system
45.
Which sewer carries sewage to a point of final disposal?
a)
Outfall sewer
b)
Relief sewer
c)
House sewer
d)
Intercepting sewer
46.
Which sewer section is suitable for constructing large sewers with less headroom?
a)
Semi-circular
b)
Basket handle
c)
Rectangular
d)
Parabolic
47.
Which shape is used when small discharge must be conveyed efficiently?
a)
Rectangular
b)
Parabolic
c)
U-shaped
d)
Horse-shoe
48.
Which sewer material is best suited for high-pressure trunk lines?
a)
Plastic
b)
Cast iron
c)
Steel
d)
Brick
49.
Which system is economical in flat terrain and congested urban areas?
a)
Separate system
b)
Combined system
c)
Partially combined system
d)
Dry system
50.
Which pipe type is used in vertical positions like rainwater downpipes?
a)
Cast iron
b)
Brick
c)
Asbestos cement
d)
Steel
51.
Which shape of sewer has vertical sides and flat bottom invert?
a)
Egg-shaped
b)
Horse-shoe
c)
U-shaped
d)
Basket handle
52.
Which sewer system requires the largest size of sewer?
a)
Separate system
b)
Combined system
c)
Partially combined system
d)
Dry system
53.
Which shape is best suited where excavation is difficult and velocity is a concern?
a)
Egg-shaped
b)
Rectangular
c)
Circular
d)
Basket handle
54.
Assertion (A): Circular sewers are most commonly used.
Reason (R): They are cheapest and easy to construct.
a)
Both A and R are true, and R is the correct explanation
b)
Both A and R are true, but R is not the correct explanation
c)
A is true, R is false
d)
A is false, R is true
55.
Which sewer type collects flow from multiple sub-main sewers?
a)
Outfall sewer
b)
Main sewer
c)
Lateral sewer
d)
House sewer
56.
Which pipe type is highly flexible and can be bent into odd shapes?
a)
Plastic
b)
Cast iron
c)
Lead
d)
Steel
57.
Which material offers 100 years of life and is strong in all stress types?
a)
Cast iron
b)
Plastic
c)
RCC
d)
Brick
58.
Which type of sewer is suitable for open trench construction?
a)
U-shaped
b)
Basket handle
c)
Circular
d)
Parabolic
59.
Which sewer system combines features of both separate and combined systems?
a)
Dry system
b)
Combined system
c)
Partially combined system
d)
Single pipe system
60.
Which material is most vulnerable to crown corrosion from H₂S gas?
a)
RCC
b)
Steel
c)
Lead
d)
Vitrified clay
61.
Which sewer is built transversely to intercept main sewer flow?
a)
Lateral sewer
b)
Intercepting sewer
c)
House sewer
d)
Trunk sewer
62.
Which material has a smooth interior and is resistant to sulphide corrosion?
a)
Asbestos cement
b)
Steel
c)
Vitrified clay
d)
Brick
63.
Which material is best suited for rising mains in pumping stations?
a)
Cast iron
b)
Plastic
c)
Asbestos cement
d)
Brick
64.
Which section is considered best for small discharges in soft soils?
a)
Semi-elliptical
b)
Rectangular
c)
U-shaped
d)
Parabolic
65.
Which sewer section has the highest hydraulic efficiency when flowing half full?
a)
Egg-shaped
b)
Circular
c)
Horse-shoe
d)
Basket handle
66.
Which system is hygienic but not cost-effective?
a)
Water carriage system
b)
Dry system
c)
Combined system
d)
Partially combined system
67.
Which sewer material is best avoided in acidic and alkaline sewage areas?
a)
Lead
b)
Steel
c)
Asbestos
d)
RCC
68.
Which shape is most common in sewer systems worldwide?
a)
Basket handle
b)
Parabolic
c)
Circular
d)
Rectangular
69.
Which sewer requires high excavation and larger size due to storm load?
a)
Separate sewer
b)
Combined sewer
c)
Sub-main sewer
d)
Relief sewer
70.
Which type of joint allows 12° angular deflection in sewers?
a)
Bell and spigot joint
b)
Socket joint
c)
Simplex joint
d)
Welded joint
71.
Which shape gives wider base and suits areas with headroom limitations?
a)
Semi-circular
b)
Rectangular
c)
Horse-shoe
d)
Egg-shaped
72.
Which pipe material is suitable for vertical rainwater and sullage pipes?
a)
RCC
b)
Asbestos cement
c)
Brick
d)
Cast iron
73.
Which shape is used when combined sewage must flow through tunnels?
a)
U-shaped
b)
Egg-shaped
c)
Horse-shoe
d)
Box
74.
Which city is given as an example for separate sewer system?
a)
Pune
b)
Mumbai
c)
Chennai
d)
Bangalore
75.
Which type of sewer is responsible for carrying only rainwater?
a)
Sanitary sewer
b)
Storm sewer
c)
Outfall sewer
d)
Combined sewer
76.
Which sewer section shape is used when headroom is less but flow is large?
a)
Semi-circular
b)
Parabolic
c)
Rectangular
d)
Egg-shaped
77.
Which pipe joint provides flexibility and deflection in asbestos cement pipes?
a)
Socket joint
b)
Spigot joint
c)
Simplex joint
d)
Butt joint
78.
Which material is known for high corrosion resistance and used in toilets?
a)
Plastic
b)
Lead
c)
Brick
d)
Stoneware
79.
Which pipe material has vitrified surface and is brittle?
a)
Stoneware
b)
Plastic
c)
Lead
d)
Steel
80.
Which sewer section is used for soft soils and diameters >1.8m?
a)
Circular
b)
Semi-elliptical
c)
Box
d)
Parabolic
81.
Which sewer type handles both domestic and industrial sewage?
a)
Storm sewer
b)
Sanitary sewer
c)
Combined sewer
d)
Trunk sewer
82.
Which type of sewer is laid to manage overflow during heavy rainfall?
a)
Sub-main sewer
b)
House sewer
c)
Relief sewer
d)
Intercepting sewer
83.
Which shape of sewer provides greater hydraulic mean depth at partial flow?
a)
Circular
b)
U-shaped
c)
Rectangular
d)
Parabolic
84.
Which material is painted with coal tar for corrosion resistance?
a)
Brick
b)
Steel
c)
Cast iron
d)
Plastic
85.
Which pipe material is best for areas prone to acid and alkali attack?
a)
Cast iron
b)
Lead
c)
RCC
d)
Steel
86.
Which pipe material is impervious and used for trunk mains?
a)
Plastic
b)
Brick
c)
Steel
d)
Lead
87.
Which shape of sewer is no longer commonly used today?
a)
Basket handle
b)
Parabolic
c)
U-shaped
d)
Rectangular
88.
Which sewer is also called trunk sewer?
a)
House sewer
b)
Sub-main sewer
c)
Main sewer
d)
Relief sewer
89.
Which shape is used where combined sewage must be handled at low velocity?
a)
Circular
b)
Egg-shaped
c)
Rectangular
d)
Basket handle
90.
Match the following sewer types with their function:
A. House sewer
B. Intercepting sewer
C. Relief sewer
D. Outfall sewer
a)
A-Connects buildings, B-Reduces load, C-Starts system, D-Disposal
b)
A-Starts system, B-Intercepts main flow, C-Handles overflow, D-Disposal
c)
A-Main pipe, B-Connects house, C-Final disposal, D-Relief
d)
A-Reduces flow, B-Connects sewer, C-Discharges sewage, D-Starts flow
91.
Which pipe material is known by the patented name 'Hume Pipe'?
a)
Cast iron
b)
Brick
c)
RCC
d)
Lead
92.
Which sewer shape is considered most stable in soft soils?
a)
U-shaped
b)
Semi-elliptical
c)
Egg-shaped
d)
Basket handle
93.
Which pipe material is weak in tension and cast in small lengths?
a)
Cast iron
b)
Steel
c)
Stoneware
d)
Asbestos cement
94.
Which type of sewer originates from individual buildings?
a)
Main sewer
b)
Outfall sewer
c)
House sewer
d)
Relief sewer
95.
Which city is an example of partially combined sewer system?
a)
Mumbai
b)
Chennai
c)
Bangalore
d)
Delhi
96.
Which type of sewer is built lower than other lines to avoid obstruction?
a)
Outfall sewer
b)
Depressed sewer
c)
Main sewer
d)
Relief sewer
97.
Which pipe material has smooth interior and is highly durable?
a)
Brick
b)
Stoneware
c)
Lead
d)
Cast iron
98.
Which sewer section shape is adopted for carrying large flow with less space?
a)
Parabolic
b)
Rectangular
c)
Semi-circular
d)
Basket handle
99.
Which sewer pipe is most suited for high pressure conditions?
a)
Lead
b)
RCC
c)
Brick
d)
Steel
100.
Which pipe joint is most common in RCC sewer lines?
a)
Simplex joint
b)
Butt joint
c)
Bell and spigot joint
d)
Socket joint
101.
Which shape of sewer has inclined or vertical sides and a flat bottom?
a)
Egg-shaped
b)
Horse-shoe
c)
Parabolic
d)
U-shaped
102.
Which material is used for high-pressure sewer mains and is perfectly impervious?
a)
Brick
b)
Steel
c)
Cast iron
d)
RCC
103.
Which sewer component collects flow from multiple lateral sewers?
a)
Main sewer
b)
Outfall sewer
c)
Sub-main sewer
d)
House sewer
104.
Which sewer carries all types of wastewater and rainwater together?
a)
Sanitary sewer
b)
Combined sewer
c)
Storm sewer
d)
Outfall sewer
105.
Which system requires fewer sewers but demands effective ventilation?
a)
Dry system
b)
Separate system
c)
Combined system
d)
Partially combined system
106.
Which sewer is constructed across other mains to divert flow to treatment?
a)
Main sewer
b)
Relief sewer
c)
Intercepting sewer
d)
Outfall sewer
107.
Which pipe material is painted and water-tight, used in siphons?
a)
Brick
b)
Cast iron
c)
Lead
d)
Stoneware
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