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WorksheetsD45 FACE THE CHALLENGE
Total questions: 37
Worksheet time: 37mins
Name
Class
Date
1.
A rectangular channel has width 3 m and depth 2 m. If velocity = 2 m/s, calculate discharge.
a)
12 m³/s
b)
10 m³/s
c)
8 m³/s
d)
6 m³/s
2.
Calculate total dry volume of materials required for 1 m³ of concrete.
a)
1.52 m³
b)
1.44 m³
c)
1.60 m³
d)
1.35 m³
3.
Assertion (A): More water in concrete mix reduces strength.
Reason (R): High W/C ratio increases porosity.
a)
Both A and R are true and R is 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
4.
1. In RCC, minimum cover depends on exposure condition.
2. Cover is mainly to resist shear.
a)
Only 1 is correct
b)
Only 2 is correct
c)
Both correct
d)
Both incorrect
5.
1. Plane table surveying gives real-time plotting.
2. It is suitable for large-scale detailed surveys.
a)
Only 1 is correct
b)
Only 2 is correct
c)
Both correct
d)
Both incorrect
6.
The minimum diameter of main bars in slab reinforcement is:
a)
6 mm
b)
8 mm
c)
10 mm
d)
12 mm
7.
Which dam type requires strong abutments to resist horizontal thrust?
a)
Gravity
b)
Arch
c)
Buttress
d)
Earth
8.
Which defect is caused due to insufficient curing of plaster?
a)
Flaking
b)
Blistering
c)
Efflorescence
d)
Crazing
9.
The bearing capacity of soil is least for:
a)
Rock
b)
Gravel
c)
Silt
d)
Clay
10.
A free vortex has:
a)
Constant velocity
b)
Constant angular velocity
c)
Constant circulation
d)
No flow
11.
The limiting depth of neutral axis for Fe415 steel in singly reinforced beam (IS 456) is:
a)
0.42d
b)
0.45d
c)
0.48d
d)
0.46d
12.
Which property of aggregate affects bond strength with cement paste?
a)
Shape
b)
Specific gravity
c)
Fineness modulus
d)
Porosity
13.
In levelling, turning point (TP) is:
a)
Point with known RL
b)
Benchmark
c)
Intermediate sight
d)
Point where instrument is shifted
14.
Which of the following is not a component of total station?
a)
EDM
b)
Microprocessor
c)
Chain
d)
Theodolite
15.
The least count of a prismatic compass is:
a)
15′
b)
30′
c)
1°
d)
0.5°
16.
The longitudinal gradient for a hilly road typically lies between:
a)
1 in 20 to 1 in 40
b)
1 in 30 to 1 in 50
c)
1 in 15 to 1 in 25
d)
1 in 40 to 1 in 60
17.
The function of ballast in railway track is to:
a)
Support sleepers
b)
Provide elasticity
c)
Drain water
d)
All of these
18.
Which among the following is a heavy rail section?
a)
ISCR 50
b)
ISCR 60
c)
ISCR 52
d)
ISCR 40
19.
The purpose of providing weep holes in bridge abutments is to:
a)
Drain water
b)
Prevent scour
c)
Ventilate structure
d)
Prevent thermal cracks
20.
A line was measured as 780.50 m using a 20 m tape which was actually 20.05 m long. What is the true length of the line?
a)
782.45 m
b)
785.00 m
c)
779.52 m
d)
788.00 m
21.
A steel column carries axial load of 500 kN. If the base plate area is 0.25 m², compute bearing pressure.
a)
1800 kN/m²
b)
2000 kN/m²
c)
2200 kN/m²
d)
2500 kN/m²
22.
Assertion (A): Concrete gains strength over time even after 28 days.
Reason (R): Hydration of cement continues after 28 days.
a)
Both A and R are true and R is correct explanation
b)
Both A and R are true but R is not correct explanation
c)
A is true, R is false
d)
A is false, R is true
23.
Which of the following methods is best suited for precise angle measurement in surveying?
a)
Plane table
b)
Compass
c)
Theodolite
d)
Level
24.
Minimum diameter of lateral ties in columns as per IS 456 is:
a)
6 mm
b)
8 mm
c)
10 mm
d)
12 mm
25.
What is the recommended minimum grade of concrete for prestressed members?
a)
M20
b)
M30
c)
M35
d)
M40
26.
The rise provided in a circular stair should not exceed:
a)
250 mm
b)
200 mm
c)
150 mm
d)
120 mm
27.
Which of the following is a workability enhancing admixture?
a)
Gypsum
b)
Silica fume
c)
Superplasticizer
d)
Pozzolana
28.
Lap length for tension in RCC bars (Fe 415) is taken as:
a)
40d
b)
50d
c)
60d
d)
30d
29.
Which dam component prevents under-seepage?
a)
Spillway
b)
Abutment
c)
Cut-off wall
d)
Toe wall
30.
The value of modular ratio (m) used in working stress method is:
a)
500 / (3 × σcbc)
b)
280 / (3 × σcbc)
c)
σcbc / σst
d)
σst / σcbc
31.
Which component is used to transfer load from slab to beam?
a)
Column
b)
Joist
c)
Spandrel
d)
Drop panel
32.
A pipe is said to be flowing under pressure if:
a)
It runs full with pressure head
b)
It flows partially
c)
It has open flow
d)
It flows by gravity
33.
The trap used under WCs is typically:
a)
Q-trap
b)
P-trap
c)
S-trap
d)
Bottle trap
34.
A quadrantal bearing of N35°W is equivalent to whole circle bearing of:
a)
325°
b)
55°
c)
145°
d)
215°
35.
The most suitable foundation for black cotton soil is:
a)
Isolated footing
b)
Raft foundation
c)
Under-reamed pile
d)
Combined footing
36.
Which of the following does not affect the choice of cross drainage work?
a)
Type of canal
b)
Discharge of canal
c)
Rainfall intensity
d)
Topography
37.
In a siphon aqueduct, the canal passes:
a)
Over the drain
b)
Under the drain
c)
Beside the drain
d)
Above and below drain
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