WorksheetsD26 FACE THE CHALLENGE
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
Which structure carries water across an obstacle like a valley or river?
a)
Aqueduct
b)
Canal fall
c)
Cross regulator
d)
Weir
2.
The minimum cover to reinforcement for a column as per IS 456 is:
a)
15 mm
b)
25 mm
c)
40 mm
d)
50 mm
3.
The term 'bearing capacity' of soil refers to:
a)
Resistance to water flow
b)
Friction with foundation
c)
Maximum load per unit area
d)
Lateral support to walls
4.
The compressive strength of first class bricks should not be less than:
a)
3.5 N/mm²
b)
5.0 N/mm²
c)
7.0 N/mm²
d)
10.5 N/mm²
5.
The height of a riser in residential buildings is generally:
a)
100 mm
b)
150 mm
c)
200 mm
d)
250 mm
6.
In estimating, the deduction for one door opening in a brick wall is made from:
a)
Only length
b)
Only height
c)
Area of opening
d)
Volume of opening
7.
What is the main constituent of Portland cement?
a)
Silica
b)
Lime
c)
Alumina
d)
Iron oxide
8.
The angle between two adjacent faces of a standard brick is:
a)
45°
b)
60°
c)
90°
d)
120°
9.
Which method is commonly used for disposal of sewage in rural areas?
a)
Oxidation pond
b)
Septic tank
c)
Activated sludge process
d)
Trickling filter
10.
The first reading taken on a leveling staff is called:
a)
Foresight
b)
Backsight
c)
Intermediate sight
d)
Turning point
11.
The IS code for mix design of concrete is:
a)
IS 456
b)
IS 10262
c)
IS 383
d)
IS 516
12.
The most commonly used admixture to improve workability of concrete is:
a)
Accelerators
b)
Plasticizers
c)
Retarders
d)
Air entraining agents
13.
The aggregate impact test is used to determine:
a)
Hardness
b)
Toughness
c)
Durability
d)
Porosity
14.
In compass surveying, local attraction is checked by:
a)
Comparing back bearing and fore bearing
b)
Using prismatic compass
c)
Using chain line
d)
Observing sun
15.
The function of ballasts in railway tracks is to:
a)
Transfer load to rails
b)
Provide cushioning
c)
Support embankment
d)
Hold sleepers in position
16.
The maximum height of a building without lift provision in residential areas is:
a)
10 m
b)
12 m
c)
15 m
d)
18 m
17.
Bulking of sand is caused due to:
a)
Drying of sand
b)
Water absorption
c)
Surface tension of water
d)
Air voids
18.
In scaffolding, the vertical member which supports the loads is called:
a)
Ledger
b)
Standard
c)
Bracing
d)
Putlog
19.
Creep in concrete is:
a)
Loss of strength over time
b)
Shrinkage due to drying
c)
Permanent deformation under sustained load
d)
Sudden failure
20.
The purpose of shear key in retaining wall is to:
a)
Reduce overturning moment
b)
Resist sliding
c)
Reduce bending stress
d)
Control thermal expansion
21.
A soil is said to be well graded if:
a)
It has particles of almost the same size
b)
All particles pass through 75 micron sieve
c)
It contains a good representation of all particle sizes
d)
It contains more clay content
22.
Which of the following is not a type of shallow foundation?
a)
Spread footing
b)
Raft foundation
c)
Well foundation
d)
Strip footing
23.
What does M20 in concrete mix refer to?
a)
Mix ratio
b)
Water content
c)
Compressive strength
d)
Number of ingredients
24.
In road construction, camber is provided for:
a)
Smooth ride
b)
Drainage of water
c)
Skid resistance
d)
Increasing visibility
25.
Which surveying method is most suitable for hilly terrain?
a)
Chain survey
b)
Plane table survey
c)
Tacheometric survey
d)
Compass survey
26.
In a retaining wall, the pressure due to earth behind the wall is called:
a)
Dead load
b)
Active earth pressure
c)
Passive earth pressure
d)
Seismic load
27.
Plasticity index is the range of moisture content between:
a)
Shrinkage limit and liquid limit
b)
Plastic limit and liquid limit
c)
Plastic limit and shrinkage limit
d)
Liquid limit and natural water content
28.
The reduced level (RL) of a point is calculated by:
a)
RL = HI + FS
b)
RL = HI - FS
c)
RL = BS + FS
d)
RL = BS - FS
29.
The minimum cover for main reinforcement in a slab should be:
a)
10 mm
b)
15 mm
c)
20 mm
d)
25 mm
30.
Which of the following is the main cause of honeycombing in concrete?
a)
Improper compaction
b)
Too much water in mix
c)
High slump value
d)
Use of fine aggregates
100 %
