| Post Name | ASSISTANT ENGINEER (CIVIL)-IRRIGATION DEPARTMENT |
|---|---|
| Question Paper Code | 013/2020 |
| Date of Test | 26 February 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Select the bending moment diagram for the simply supported beam loaded as shown
in the figure :
Answer
D. it has plasticity
2
An axially loaded member of length L and area of cross-section A is subjected to a
tensile load of P. If E denotes the Young’s modulus of elasticity, the strain energy
stored in the member is equal to :
P 2L PL2
Answer
A. 2AE
3
The product moment of inertia of a rectangular section of size b d about its
horizontal centroidal axis is equal to :
b2 d 2 bd2
Answer
Question Cancelled
4
Workability S. Calcium chloride
Answer
B. 1–S, 2–R, 3–P, 4–Q
5
The two independent elastic constants for an isotropic material are :
Answer
A. Young’s modulus and Poisson’s ratio
6
The static indeterminacy of a propped cantilever beam is equal to :
Answer
C. 1
7
Kani’s method can be considered as an extension of the :
Answer
B. Slope deflection method
8
A three hinged parabolic arch is subjected to a udl of 30 kN/m on the left half of the
span. It has a span of 16 m and central rise of 3 m. The horizontal thrust at the left
support will be :
Answer
D. 160 kN
9
If a deformable structure in equilibrium under the action of a system of loads is given
a small virtual deformation, then the virtual work done by the external forces is
equal to the virtual work done by the internal forces. This principle is known as :
Answer
B. Principle of virtual work
10
A column, hinged at both ends, is having an unsupported length of 3 m,
second moment of area I XX 400 cm 4 , IYY 120 cm 4 and area of cross-section 30 cm 2 .
The slenderness ratio of the column is equal to :
Answer
A. 150
11
Find the pressure represented by a 10 cm column of water if its specific weight is 10 kN/m³:
Answer
A. 1 kN/m²
12
The flow of a liquid at constant rate in a uniformly tapering pipe is :
Answer
C. Steady, non-uniform flow
13
The line joining the piezometric heads at various points in a flow is known as the :
Answer
B. Hydraulic Gradient line
14
A water jet of velocity 50 m/s has cross-sectional area 20 cm² and strikes a fixed flat plate normally. Find the force exerted:
Answer
A. 5000 N
15
In a hydraulic jump occurring in a horizontal rectangular channel the sequent depths
are 0.5 m and 1.5 m. The energy loss in this jump is :
Answer
D. 0.33 m
16
The evaporation through plants and from the surrounding soil together is called :
Answer
C. Evapotranspiration
17
Find the delta for a crop if the duty for a base period of 100 days is 4320 hectares per
cumec :
Answer
B. 0.2 m
18
In the single point method of finding the mean velocity across a vertical in a stream,
if y is the depth of flow, the velocity is measured above the stream bed at :
Answer
D. 0.4 y
A 5 013/2020
19
The surface joining the static water levels in several wells penetrating a confined
aquifer represents :
Answer
B. piezometric surface of the aquifer
20
The time required by rain water to reach the outlet of drainage basin is generally
called :
Answer
A. Time of concentration
21
The sum of exterior angles for a hexagon is :
Answer
B. 1440
22
If the included angle at station B in an open traverse ABCDE 1s 158º24′ then the
deflection angle is :
Answer
A. 21º36′L
23
The following perpendicular offsets were taken at 10 m intervals from a survey line
to an irregular boundary line. The area in square metre enclosed between the survey
line, irregular line, first and last offsets by Simpson’s rule is :
Perpendicular offsets, 5 m, 2 m, 4.5 m, 6 m, 1 m, 2 m, 4 m, 2.5 m, 4 m
Answer
A. 260 m2
24
The probable error of area (in m2) of rectangle sides are 100 + – 0.01 m and
200 + – 0.02 m is :
Answer
Question Cancelled
25
If the cross sectional areas at every 50 m, in a length of 200 m are :
5 m2, 10 m2, 15 m2, 10 m2, 5 m2 then, volume by trapezoidal rule is
Answer
C. 2000 m3
26
The covered area of a building measured at floor level is called :
Answer
B. Plinth area
27
A building costs Rs. 40000. Considering scrap value as 10% of the cost and life as
60 years, the depreciated value after 20 years is :
Answer
Question Cancelled
28
Steel reinforcement bars in RCC is measured in :
Answer
A. Quintals
29
The years purchase for 6% interest is :
Answer
C. 16.67
30
For 45º cranked or bent up bar of dia ‘‘d’’, the additional length of 2 bent up is
approximately :
Answer
Question Cancelled
31
The initial setting time of Ordinary Portland cement as per BIS is :
Answer
C. not less than 30 minutes
32
The main function of Alumina in brick earth is to :
Answer
A. impart plasticity
33
Ultimate Strength of Ordinary Portland Cement is provided by :
Answer
B. Dicalcium silicate
34
Proneness to segregation of fresh concrete is better tested by :
Answer
B. Flow test
35
As the fineness modulus of aggregate increases its particle size :
Answer
B. increases
36
‘Float’ which does not interfere with the start of the subsequent activity in a project is :
Answer
C. Free float
37
Quality of reinforcing steel is evaluated by :
Answer
C. Yield strength, ductility
38
Salt present in brick earth may cause :
Answer
B. Efflorescence
39
One of the main demerits of using Lime mortar is that :
Answer
B. it does not set quickly
40
Grading of aggregates in a concrete mix is mainly essential to achieve :
Answer
Question Cancelled
41
Which of the following statements is not correct :
Answer
C. Seasoning of timber results in dimensional instability
42
Choose the correct combination :
1. Retarder P. Fly Ash
2. Accelerator Q. Superplasticizer
3. Pozzolana R. Gypsum
4. Workability S. Calcium chloride
Answer
A. 1-R, 2-S, 3—-P, 4-Q
43
Deformation in concrete due to sustained loading is :
Answer
B. Creep
44
The foundation provided below a heavily loaded steel column on a soil of low bearing
capacity is :
Answer
B. Grillage foundation
45
A bond in which both header and stretcher come in the same course is :
Answer
D. Flemish bond
46
Which of the following does not belong to the class ‘shell roof ’ :
Answer
D. Flat slab
47
Decoupling of the superstructure from substructure resting on a shaking ground is
called :
Answer
A. Base isolation
48
If to is the optimistic time, t p is the pessimistic time and tm is the most probable
time, then the expected time of occurrence of an activity is :
to 2tm t p to tm t p
Answer
C. t
49
Which of the statements given below is not correct :
When there is a dispute in a construction site,
Answer
D. A meeting must be held between the superintendent and union leader
50
The planned or systematic actions necessary to provide enough confidence that a
product or service will satisfy the given requirements is called :
Answer
C. Quality Assurance
51
The Manning’s formula is given by the expression:
1 23 12
Answer
A. V R S
52
Detention period of grit chambers is kept as:
Answer
D. 1 minute
53
The gas from sludge digestion tank is mainly composed of:
Answer
D. Methane
54
A pipe which is installed in the house drainage to preserve the water seal of traps is
called:
Answer
B. Anti-Siphonage pipe
55
In a BOD test 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen
concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the
end of 5 day incubation at 20°C. The BOD of raw sewage will be:
Answer
B. 200 ppm
56
The amount of residual chlorine left in public water supply for safety against
pathogenic bacteria is about:
Answer
Question Cancelled
57
In water treatment, rapid gravity filters are adopted to remove:
Answer
D. Bacteria and colloidal solids
58
The percentage of chlorine in fresh bleaching powder is about:
Answer
C. 30 to 35
59
The means of access for inspection and cleaning of sewer line is known as:
Answer
B. Manhole
60
The self cleaning velocity of the sewers is:
Answer
Question Cancelled
61
The limiting value of the depth of neutral axis ( x u,max /
Answer
D. for Fe 500 grade steel bars
as per IS 456-2000 is:
62
Where a member is built into a masonry wall which develops only partial restraint,
the member shall be designed to resist a negative moment at the face of support is
___________, Where W is total design load L is the effective span.
Answer
D. WL/24
63
Basic Value of span to effective depth ratio for span up to 10 m of a continuous beam
as per IS 456-2000:
Answer
D. 26
64
The minimum area of steel in mm 2 has to be provided in a column of size
250 mm 600 mm is:
Answer
A. 1200
65
In a reinforced concrete footing, the thickness at the edge shall not be less than
150 mm for footing on soils nor less than ___________ mm above the top of piles for
footing on piles:
Answer
B. 300 mm
66
Poisson’s ratio of concrete is frequently taken as:
Answer
A. 0.15 – 0.25
67
One way slabs are those in which most of the load is carried on the ___________ span :
Answer
B. shortest
68
The modulus of rupture of M25 Concrete may be taken as ___________ N/mm 2 :
Answer
B. 3.5
69
Upright compression members that support decks in bridges are often called as:
Answer
B. Piers
70
Slenderness ratio of a member is defined as the ratio of the effective length to the
___________ of a section:
Answer
B. radius of gyration
71
The unsupported length of transverse ties should not exceed ___________ times the
diameter of tie in two directions:
Answer
C. 48
72
The full fixity at the column may be valid only for columns supported by:
Answer
D. all of the above
73
A ___________ section is one in which the area of tension steel is such that the
ultimate limit state, the ultimate compressive strain in concrete is reached, However
the tensile stain in the reinforcing steel is less than the yield strain:
Answer
C. over reinforced
74
In design practice of beams the span to overall depth ratio are generally taken in the
range:
Answer
A. 10 to 16
75
Counter fort retaining wall is economical for heights above ___________ m:
Answer
Question Cancelled
76
For preliminary calculations the thickness of the base slab of a retaining wall may be
taken as ___________ percent of the height of wall:
Answer
C. 8
77
Considering the concept of durability of water tanks, the minimum grade of concrete
shall be:
Answer
C. M30
78
The permissible concrete stress in direct tension of M20 in calculation relating to
resistance to cracking as per IS 3370-1965 part II is:
Answer
B. 12 kg/cm 2
79
The permissible concrete stress in tension due to bending of M20 in calculation
relating to resistance to cracking as per IS 3370-1965 part II is:
Answer
B. 17 kg/cm 2
80
The method of prestressing concrete in which pre-stressing steel is tensioned against
the hardened concrete is:
Answer
B. post tensioning
81
A normally consolidated clay settled 10 mm when effective stress was increased from
50 kN/m 2 to 100 kN/m 2 . If the effective stress is further increased from 100 kN/m 2 to
200 kN/m 2 , then further settlement of the clay shall be:
Answer
A. 10 mm
82
The time taken by clay layer to achieve 50% consolidation is 5 years. If the layer was
half as thick, 5 times more permeable and 4 times more compressible then the time
that would be required to achieve the same degree of consolidation is :
Answer
C. 1 year
83
A soil sample has a shrinkage limit of 10% and specific gravity of soil solids as 2.7.
The porosity of the soil at shrinkage limit is :
Answer
A. 21.2%
84
What is the range of silt size particles according to IS classification :
Answer
Question Cancelled
85
In a falling head permeameter, a soil sample 75 mm in diameter and 36 mm in length
was tested. At the commencement of the test, the initial head was 80 cm and after
one hour, the head drops to 40 cm. The coefficient of permeability if the diameter of
the stand pipe is 1 cm, in cm/sec will be :
Answer
D. 1.23 10 5
86
A vane 20 cm long and 10 cm in diameter was pressed into soft marine clay at the
bottom of a bore hole. Torque was applied gradually and failure occurred at
2000 kg/cm, the cohesion of the clay in kg/cm2 is :
5 7
Answer
C. m*7
87
An un drained triaxial compression test is carried out on a saturated clay sample
under a cell pressure of 200 kN/m2. The sample failed at a deviator stress of
400 kN/m2. The cohesion of’ the given clay sample is :
Answer
B. 200 kN/m2
88
Flow lines and equipotential lines meet each other at an angle :
Answer
C. 90
89
Newmark’s chart is used in foundation engineering to determine :
Answer
D. stresses in soil due to surface loading
90
According to Terzaghi, the ultimate bearing capacity of a purely cohesive soil, at
ground surface for a rough based footing is:
Answer
C. 5.7 Cu
91
Application of bituminous material over an existing pavement surface which is
relatively impervious is :
Answer
B. Tack Coat
92
In flexible pavements, wheel load is distribute by :
Answer
C. Grain to grain transfer
93
The distance travelled by a moving vehicle during total reaction time is:
Answer
A. Lag distance
94
Rate of change of centrifugal acceleration for computing length of transition curve for
a vehicle with design speed V kmph is given by :
70 80
Answer
C. m/s3
95
The diagram showing the approximate path of vehicles and pedestrians involved in
accidents is :
Answer
C. Collision diagram
96
The general equation relating flow (Q), density (K) and space mean speed (U) is :
K U
Answer
D. Q KU
97
Grade compensation on B.G tracks suggested in Indian railway is :
Answer
D. 0.04%
98
Total correction for elevation, temperature and gradient for a runway should not
exceed :
Answer
Question Cancelled
99
V7 concept given by Le Corbusier refers to :
Answer
D. Hierarchy of Roads
100
PMGSY, a programme of the Government of India, deals with :
Answer
B. Rural Road Development
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