WorksheetsVEDA (ITI) - 02.06.2025
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Which system of distribution is most suitable when the source is on a mountain and the city lies in a plain?
a)
Gravity system
b)
Pumping system
c)
Combined system
d)
All of these
2.
Grid iron system is best suited for:
a)
Irregularly grown towns
b)
Undulating terrain
c)
Radial roads
d)
Planned city on gentle slope
3.
Which of the following is not an advantage of the dead end system?
a)
Economical
b)
Simple design
c)
No stagnation of water
d)
Easy expansion
4.
Assertion (A): Grid iron system allows large quantity of water withdrawal during fire accidents.
Reason (R): Grid iron system has multiple interconnected mains.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
5.
Match the following:
A. Dead end system
B. Grid Iron system
C. Ring system
D. Radial system
1. Equal pressure & multi flow
2. Economy & simplicity
3. Zonal distribution
4. Economy & balanced pressure
a)
A-2, B-1, C-4, D-3
b)
A-3, B-2, C-4, D-1
c)
A-2, B-1, C-3, D-4
d)
A-2, B-4, C-1, D-3
6.
Relief valves are used to:
a)
Control water quality
b)
Reduce pressure automatically
c)
Clean pipe silt
d)
Stop flow to households
7.
Which device helps in water flow measurement at household level?
a)
Ferrule
b)
Water meter
c)
Scour valve
d)
Relief valve
8.
Assertion (A): Goose neck is made of flexible material.
Reason (R): It connects rigid pipe to allow movement without leakage.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
9.
Statement 1: Radial system ensures high pressure.
Statement 2: It is used in cities with circular road patterns.
a)
Both statements are true
b)
Only Statement 1 is true
c)
Only Statement 2 is true
d)
Both statements are false
10.
Sluice valves are used to:
a)
Control flow and isolate sections
b)
Measure pressure
c)
Measure flow rate
d)
Remove air pockets
11.
Which compound in cement is responsible for early strength development?
a)
C3A
b)
C2S
c)
C3S
d)
C4AF
12.
Assertion (A): C3A has the highest heat of hydration among the Bogue’s compounds.
Reason (R): C3A reacts slowly with water producing less heat.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
13.
Match the following cement compounds with their common names:
A. C3S
B. C2S
C. C3A
D. C4AF
1. Belite
2. Alit
3. Felit
4. Celit
a)
A-2, B-1, C-4, D-3
b)
A-1, B-2, C-3, D-4
c)
A-2, B-1, C-3, D-4
d)
A-2, B-1, C-4, D-3
14.
Which grade of cement is used for prestressed concrete applications?
a)
33 grade
b)
43 grade
c)
53 grade
d)
White cement
15.
Statement 1: White cement contains pigments.
Statement 2: White cement is used for floor finishes and decorative works.
a)
Both statements are true
b)
Only Statement 1 is true
c)
Only Statement 2 is true
d)
Both statements are false
16.
Which variety of cement is most suitable for marine construction and sewage works?
a)
Rapid Hardening Cement
b)
Sulphate Resistant Cement
c)
Hydrophobic Cement
d)
Quick Setting Cement
17.
Which of the following is true about Low Heat Cement?
a)
Used for mass concrete work
b)
Contains high C3A content
c)
Quick setting properties
d)
Used for decorative works
18.
Which part of a tree becomes inactive and imparts rigidity as it ages?
a)
Pith
b)
Cambium layer
c)
Heartwood
d)
Sapwood
19.
Assertion (A): Natural seasoning is cheaper but slower than artificial seasoning.
Reason (R): Natural seasoning involves exposure of timber to open air without temperature control.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
20.
Which of the following is NOT a method of artificial seasoning?
a)
Kiln seasoning
b)
Boiling
c)
Chemical seasoning
d)
Air seasoning
21.
Match the following defects with their causes:
A. Diagonal grain
B. Torn grain
C. Wane
D. Chip mark
1. Tool injury
2. Improper sawing
3. Rounded surface remains
4. Marks from chips
a)
A-2, B-1, C-3, D-4
b)
A-3, B-2, C-1, D-4
c)
A-4, B-3, C-2, D-1
d)
A-1, B-4, C-3, D-2
22.
Statement 1: Termites attack only the surface of wood.
Statement 2: Marine borers do not feed on wood but create tunnels for shelter.
a)
Both statements are true
b)
Only Statement 1 is true
c)
Only Statement 2 is true
d)
Both statements are false
23.
Which preservative treatment doubles the life of timber and is commonly used for poles and sleepers?
a)
Coal tar
b)
Oil paint
c)
Creosote oil
d)
Solignum paint
24.
Which IS code is used for classifying commercial timbers and their zonal distribution?
a)
IS 456:2000
b)
IS 399:1963
c)
IS 875:1987
d)
IS 3370:2009
25.
Which method of preservation involves partial burning of wet timber surface to protect against termites and moisture?
a)
Brushing
b)
Injecting under pressure
c)
Charring
d)
Dipping
26.
Which type of rock is formed by the cooling of magma below the earth's surface and has a coarsely grained crystalline structure?
a)
Volcanic rock
b)
Sedimentary rock
c)
Plutonic rock
d)
Metamorphic rock
27.
Assertion (A): Sedimentary rocks are formed by deposition of products of weathering.
Reason (R): These deposits are always chemical in nature.
a)
Both A and R are true, and R is the correct explanation of A
b)
Both A and R are true, but R is not the correct explanation of A
c)
A is true but R is false
d)
A is false but R is true
28.
Which mineral found in igneous rocks disintegrates to form clay?
a)
Felspar
b)
Quartz
c)
Chlorite
d)
Biotite
29.
Match the rock types with their examples:
A. Igneous
B. Sedimentary
C. Metamorphic
1. Granite
2. Limestone
3. Marble
a)
A-1, B-2, C-3
b)
A-3, B-1, C-2
c)
A-2, B-3, C-1
d)
A-1, B-3, C-2
30.
Statement 1: Serpentine is a green mineral that resembles chlorite.
Statement 2: It is formed from augite and quartz.
a)
Both statements are true
b)
Only Statement 1 is true
c)
Only Statement 2 is true
d)
Both statements are false
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