| Post Name | ENGINEERING ASSISTANT GR.I - KERALA STATE CONSTRUCTION CORPORATION Ltd. |
|---|---|
| Question Paper Code | 085/2022 |
| Category Code | 404/2021 |
| Date of Test | 30 August 2022 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The strain energy due to bending stress is :
M 2dx M 2dx
Answer
C. ο² 2EI
2
A cantilever is subjected to a uniformly distributed load w kN/m. It is propped by a spring of stiffness k to the same level as that of the fixed end, before loading. The reaction at the prop will be:
Answer
D. wl[(3/8)/(1 + 3EI/(klΒ³))]
3
In a beam of length L , four possible influence line diagrams for shear force at a section
located at a distance of L / 4 from the left and support (market as P , Q , R and S ) are shown
below. The correct influence line diagram is :
Answer
A. P
4
A three hinged parabolic arch having a span of 20 m and a rise of 5 m carries a point load of
10 kN at quarter span from the left end as shown in the figure. The resultant reaction at the
left support is :
Answer
A. 9.01 kN
5
A simply supported beam is subjected to a uniformly distributed load of intensity w per unit
length, on half of the span from one end. The length of the span and the flexural stiffness are
denoted as l and EI, respectively. The deflection at mid-span of the beam is :
5 wl 4 5 wl 4
Answer
B. 6144 EI 768 EI
5 wl 4 5 wl 4
6
Find the force in the member AB :
Answer
A. 2 kN Compression
7
The ratio of the theoretical critical buckling load for a column with fixed ends to that of
another column with the same dimensions and material, but with pinned ends, is equal to :
Answer
D. 4
8
A fixed beam AB of length L carries a concentrated load at midspan. The moment of inertia from either end to L/4 is I and is 2I for the remaining length. Fixed end moment at A will be:
Answer
D. 5WL/48
9
A circle of diameter 200 mm is inscribed inside a mild steel plate before it is stressed, as shown. After applying tensile stresses fβ = 150 N/mmΒ², fᡧ = 250 N/mmΒ² and shear stress q = 25 N/mmΒ², the circle deforms into an ellipse. Find its major-axis length. Assume E = 200 GPa and Poissonβs ratio = 0.25.
Answer
C. 200.22 mm
10
Two vertical bars one of steel and other of bronze each 2 m long and of equal area of cross
section hang vertically with 700mm distance between their axes. A rigid member is
connected to the lower ends of the bars. Calculate at what distance from the steel bar should
a concentrated load of 70 kN be applied on the rigid member so that elongation of the bronze
bar will be 1.5 times that of steel bar. Take modulus of elasticity of steel and bronze as
200 GPa and 100 GPa respectively :
Answer
D. 300 mm
11
The ordinates of a 2 hr unit hydrograph at 1 hr intervals starting from t = 0 are 0, 3, 8, 6, 3, 2 and 0. A storm of 6.6 cm occurs uniformly over the catchment in 3 hrs. If the Ο-index is 2 mm/hr and base flow is 5 cumecs, the peak flow is:
Answer
C. 41 mΒ³/s
12
Which one is the possible case of an S2 profile?
Answer
C. Flow over a free overfall in steep sloped channel
13
A discharge of 30 l/sec was measured by using a right angled triangular notch. While
measuring the head over the notch, an error of 1.5 mm was made. If the coefficient of
discharge for the notch is 0.62, the % error in the discharge measurement will be
approximately :
Answer
D. 1.75
085/2022 6 A
14
Two pipelines, one carrying oil of relative density 0.9 and other carrying water are connected
to a manometer as shown in Figure. By what amount, the pressure in water pipeline should
be increased so that mercury levels in both the limbs of the manometer become equal?
Answer
D. 24.82 kPa
15
The flow of glycerin (kinematic viscosity = 5 Γ 10β»β΄) in an open channel is to be modelled using water (kinematic viscosity = 10β»βΆ). If gravity and viscosity are important, what should be the ratio of prototype to model dimension for dynamic similarity?
Answer
C. 63
16
A water course commands an irrigated area of 1000 ha. The intensity of irrigation of rice is
70%. The transplantation of crop takes 15 days and during transplantation period total depth
of water required by the crop on the field is 500 mm. During the transplantation period, the
useful rain falling on the field is 120 mm. Assuming the loss of water in the watercourse as
20%, the discharge at the head of the water course will be :
Answer
B. 2.6 m3/s
17
A spillway discharges flood at a rate of 9 m3/s per metre width. If the depth of flow on the
horizontal apron at the toe of the spillway is 50 cm, the minimum length of apron required at
the downstream should be at least :
Answer
D. 25 m
18
A cube 50 cm side is inserted in a two-layer fluid with specific gravities 1.2 and 0.9. The
upper and lower halves of the cube are composed of materials with specific gravity 0.6 and
1.4 respectively, determine the depth of the top of the cube above the interface :
Answer
D. 33.33 cm
19
Most economical circular section for maximum velocity condition is :
Answer
B. flow depth is 81% of the diameter
20
A large irrigation canal can be approximated as a wide rectangular channel and Manningβs formula applies. If gauge G is related to discharge Q as Q = C(G β a)α΅, the value of Ξ² is:
Answer
Question Cancelled
21
The average compressive strength of common burned clay brick of class 35 is :
Answer
A. 35 N/mm2
22
Brick frog is :
Answer
B. Depression on the brick face
23
Where is rebar used?
Answer
D. All of the above
085/2022 8 A
24
Aggregate in which most of which passes through 4.75 mm IS sieve is called as :
Answer
C. Fine aggregate
25
What is the pH value of water used for reinforced cement concreting?
Answer
A. Shall not be less than 6
26
The compaction of concrete in the drilled pile hole is done by compressed air in the case of :
Answer
C. Pressure pile
27
Pile which resist horizontal thrust is called as :
Answer
C. Batter pile
28
The additional lines which are measured to show the correctness of the chain surveying are
called :
Answer
D. All of the above
29
The Limit of plane survey is :
Answer
B. 260 sq. km
30
Measuring with a 30 m chain, 0.01 m too short, introduces :
Answer
A. Positive cumulative error
31
In India Geodetic survey was conducted by :
Answer
D. Survey of India department
32
Total station is used for :
Answer
D. All of the above
A 9 085/2022
33
What is the temperature for preheating of bricks for the water absorption test in degree
Celsius?
Answer
B. 110
34
How much depth of water is required initially for efflorescence test of bricks in cm?
Answer
A. 2.5
35
What is the minimum compressive strength of first class bricks in kg/sq.cm?
Answer
D. 140
36
An example of metamorphic rock :
Answer
C. Slate
37
An example of foliated rock :
Answer
A. Gniess
38
A good stone should not absorb water more than ββββββ% water by its weight.
Answer
C. 5
39
As per IS 269 the weight of magnesia in cement shall not exceed by ββββββ%.
Answer
D. 5
40
Determining the cost of the construction project, after calculating the quantities of items is
called :
Answer
B. Costing
41
The rate of a civil engineering construction work depends on :
Answer
D. All the above
085/2022 10 A
42
Which of the following item of work is not included in the plinth area estimate?
Answer
A. Cantilever porch
43
The service unit of a stable building is :
Answer
C. Number of animals
44
Brickwork is not measured in cubic meters for the following work :
Answer
C. half brick wall
45
A dummy activity :
Answer
D. None of the above
46
Sinking fund is :
Answer
C. Fund for rebuilding a structure after its economic life
47
During tender submission, the contractor should deposit ββββββ as a guarantee of the
tender.
Answer
B. Earnest money
48
CPM is the :
Answer
B. Activity oriented technique
49
PERT is the :
Answer
C. Event Oriented Technique
50
The time an activity completion can be delayed without affecting the early start of the next
activities is called :
Answer
B. Free float
51
The method ideal for forecasting future population of a stabilized old city or small town is :
Answer
B. Arithmetical increase method
52
Which among the following is absent in hard water?
Answer
A. Calcium carbonate
53
The water treatment process, sedimentation aided with coagulation is mainly aimed at
removing
Answer
C. Colloidal solids
54
The disinfectant that has advantages of causing no bad taste, no odour and no danger of
overdose is
Answer
B. Ultra-violet rays
55
Which of the following principles is true for the design of distribution system?
Answer
A. Available terminal pressure-head and the permissible pressure-head must be
same
56
The 5 day 20Β°C BOD represents
Answer
C. The carbonaceous demand
57
The process taking place in trickling filter is
Answer
D. Aerobic attached growth process
085/2022 12 A
58
Which of the following represents a plain sedimentation unit with longer detention period?
Answer
C. Septic tank
59
The process of washing of sludge to remove excess salt during sludge treatment is
Answer
A. Elutriation
60
For successful results, the UASB reactor must operate under
Answer
B. Mesophilic conditions
61
The limiting value of the depth of neutral axis (xu,max/
Answer
B. 0.48
62
The maximum shear stress of M30 concrete permitted in N/mm2 (limit state method) as per
IS 456-2000 is
Answer
D. 3.5
63
Basic Value of span to effective depth ratio for span up to 10 m of a simple supported beam as
per IS 456-2000
Answer
B. 20
64
The maximum area of steel in mm2 has to be provided in a column of size 200 mm Γ 700 mm
is
Answer
A. 8400
65
For Nominal mix concrete, what is the quantity water (liters) used for a bag of cement as per
IS 456-2000, if the Grade of concrete is M10
Answer
B. 34
66
What is the minimum stripping period to remove the prop of a beam of span 5.8 m as per
IS 456-2000 is
Answer
B. 14 days
67
What is the minimum tension reinforcement in mm2 for a beam having effective depth
415 mm and width 300 mm. Use M20 concrete and Fe 415 steel
Answer
C. 255
68
The modulus of Elasticity of M25 Concrete may be taken as ββββββ N/mm2.
Answer
A. 25000
69
Torsional reinforcement is required at the corners of rectangular slab whose edges are :
Answer
B. discontinuous
70
Normally structures exceeding ββββββm in length are designed with one or more
expansion joints as per IS 456-2000.
Answer
C. 45
71
The value of development length should be taken as ββββββ times the bar diameter if
M20 concrete and Fe 415 steel is used.
Answer
C. 47
72
The maximum spacing of shear reinforcement measured along the axis of the member shall
not exceed ββββββ for vertical stirrups
Answer
A. 0.75 d
73
When a concrete is subjected to uniform compression as in the case of a concentrically loaded
short column, the ultimate strain is limited to 0.002 and corresponding design stress is
Answer
B. 0.447 fck
74
Mention the code of practice for design of structural timber in building
Answer
A. IS 883 β 1970
75
Plain concrete gravity retaining wall are not used for heights exceeding for ββββββ
obvious economic reasons.
Answer
C. 3m
76
The density of steel may be taken as
Answer
A. 78 kN/m3
77
In the absence of test data, the approximate value of shrinkage strain for design in
prestressed concrete shall be taken as ββββββ for pre-tensioning systems as per
IS 1343 β 1980.
Answer
C. 0.0003
78
The permissible concrete stress in shear of M20 in calculation relating to resistance to
cracking as per IS 3370 β 1965 part II is
Answer
D. 17 kg/cm2
79
The permissible concrete stress in tension due to bending of M40 in calculation relating to
resistance to cracking as per IS 3370 β 1965 part II is :
Answer
B. 24 kg/cm2
80
The method of prestressing concrete in which the tendons are tensioned before
concreting is
Answer
A. pre tensioning
81
Dry density of a soil sample is defined as the ratio of :
Answer
C. Mass of soil solids to total volume of soil sample
82
Which of the following can be the unit of coefficient of permeability?
Answer
A. cm/sec
83
Which of the following is an incorrect statement as per Mohrβs strength theory?
Answer
C. When soil material is subjected to three dimensional principal stresses the failure
criterion is dependent on intermediate principal stress
84
If a clay soil deposit is never been subjected to an effective pressure greater than existing
overburden pressure and is completely consolidated under existing pressure is called as :
Answer
D. Normally consolidated
85
Which of the following is a correct statement?
Answer
B. For same density, fine grained soil compacted dry of optimum are more permeable
than those compacted wet of optimum
86
Failure of slopes takes place due to :
Answer
D. All of the above
87
Failure is accompanied by tilting of footing in the case of :
Answer
B. General shear failure
88
ββββββββββββ type of foundation is used to eliminate differential settlement in soil
containing compressible lenses.
Answer
D. Raft footing
89
A curve connecting all points of equal vertical pressure below the ground surface is called :
Answer
C. Isobar
90
Which of the following statements is true?
Answer
A. Earth pressure at rest is greater than active earth pressure
91
ββββββββββββ is the instrument used in manual method of spot speed study.
Answer
B. Enoscope
92
Ideal transition curve for horizontal curve on highways is
Answer
D. Spiral
93
Average loss in weight of aggregates to be used for pavement construction after 10 cycles of
immersion in MgSO4 and drying shall not exceed :
Answer
C. 18%
94
Level of service representing capacity level of two lane rural highways without access
control is :
Answer
C. LOS E
95
Grade compensation to be provided on a B.G. railway track at a horizontal curve is :
Answer
A. 0.04% per degree of curve
96
Which of the following is not a navigational aid?
Answer
C. Breakwater
97
ββββββββββββ method is used for tunneling in soft ground having water bearing strata.
Answer
C. Compressed air method
98
The imaginary line designating a border around a town segregating a non-development zone
is called as :
Answer
B. Green belt
99
The strip of pavement joining runway to apron is called :
Answer
A. Taxiway
100
The largest zone in a town is :
Answer
D. Residential zone
ββββββββ
085/2022 18 A
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