| Post Name | ASSISTANT PROJECT ENGINEER - KERALA LAND DEVELOPMENT CORPORATION Ltd. |
|---|---|
| Question Paper Code | 109/2023 |
| Category Code | 556/2021 |
| Date of Test | 6 July 2023 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
A 200 mm long steel bar is tested in tension, so that the change in the length is 0.1 mm.
If modulus of elasticity is 200 GPa, what is the stress developed in the bar ?
Answer
D. 100 mPa
2
The point of contraflexure in a beam is a point where
Answer
C. Bending moment changes sign
3
The breadth of a beam of rectangular section is half its depth. If it is subjected to
bending moment of 28.8 Nm and the maximum stress developed is 200 mPa, compute
the breadth of the section.
Answer
A. 6 mm
4
A simply supported beam of span length 6 m carries 9 kN central load. If the flexural
rigidity is 2700 kN/m2, what is the deflection at the centre ?
Answer
B. 15 mm
5
Euler’s buckling theory is applicable for
Answer
B. long columns
6
A circular plate of radius R is immersed vertically in water such that the topmost point
is just at the water surface. determine the depth of centre pressure of the plate below
the water surface.
Answer
A. 5R/4
7
A turbine develops 480 kW power under a net head of 30 m. If the overall efficiency
of the turbine is 80%, determine the discharge through the (in m3/s) turbine. Take
specific weight of water in the turbine as 10 kN/m3.
Answer
B. 2.0
8
In which of the following flow profiles, the flow will be in supercritical state ?
Answer
C. S3, S2 and m3
9
Find the delta for a crop, if the duty for a base period of 120 days is
1200 hectares/cumecs.
Answer
A. 86.4 cm
10
Each question is provided with four choices
Answer
B. ,
11
The horizontal angle between the true meridian and a survey line, is known as
Answer
D. Azimuth
12
A level is set up and the following reading are obtained :
Reduced level of the floor is 100.000 m; staff reading on the floor is 1.295 m :
reading on the staff held inverted against the underside of the tee-beam is 2.895 m.
Determine the height of the beam above the floor level.
Answer
A. 4.190 m
13
A series of offsets in metres were taken from the chain line to a curved boundary
line at intervals of 10 m in the following order :
0, 2.80, 3.98, 6.40, 8.63, 8.95, 5.20, 0
Compute the area between the chain line, the curved boundary line and the end
offsets by Trapezoidal rule.
Answer
B. 359.6 m2
14
The item of work not included in plinth area is
Answer
B. Area of cantilevered porch
15
For estimation using the long and short wall method, the length of long wall is the
centre to centre distance between walls and
Answer
C. Half breadth of wall on each side
16
Seasoning of timber is done for
Answer
D. decreasing moisture content
17
The percentage of nickel in invar is
Answer
B. 36
18
When a brick is cut along its length, making it two equal halves, then it is called
Answer
D. Queen closer
19
The foundation which consists of a thick reinforced cement concrete slab covering
the whole area in the form of a mat is called
Answer
B. Raft foundation
20
The member which is placed horizontally to support common rafter of a sloping roof, is
Answer
A. Purlin
21
The activities of a project, are shown on bar charts by
Answer
D. Horizontal lines
22
The performance of a specific task in Critical Path Method is known as
Answer
B. Activity
23
The principle involved in collection and sampling of particulate matter in which the
particles are drawn through a device by deflecting them from their original paths is
called
Answer
A. Electrostatic Precipitation
24
Consider the following statements.
1. Specific storage is specific capacity per unit depth of the aquifer.
2. Specific capacity is storage coefficient per unit aquifer depth.
3. Specific capacity is a constant for a given well.
Which of the statement are correct ?
Answer
C. 2 only
25
A circular primary clarifier processes an average flow of 7000 m3/d of municipal
wastewater. The overflow rate is 70 m3/d. The diameter of the clarifier is
Answer
B. 11.28
26
A waste treatment plant is designed to treat 5 m3 of raw water. It has 15 sand filters.
The surface area of each filter is 100 m2. What is the loading rate (in m3/daym2) with
three filters out of service for routine backwashing ?
Answer
C. 360
27
match the following :
Sl. No. List – A List – B
i. Zone of degradation a. Algae reappears while fungi decreases
ii. Zone of Recovery b. Unfavourable to the development of aquatic
life
iii. Zone of Active decomposition c. Appearance of usual aquatic life
iv. Zone of Cleaner Water d. Bacteria and flora flourishes
i ii iii iv
Answer
Question Cancelled
28
How much bleaching powder is needed to chlorinate 10000 litres of water whose
chlorine demand is 2 mg/l, assuming that the bleaching powder has 25% available
chlorine ?
Answer
B. 80 g
29
Which one of the following is the purpose of providing a surge tank in a pipeline
carrying water ?
Answer
D. To protect the pipeline against water hammer
30
The main reinforcement of a RC slab consists of 16 mm bars at 100 mm spacing.
It is desired to replace the 16 mm bars by 12 mm bars, then the spacing of 12 mm
bars should be
Answer
A. 60 mm
31
match the following :
Sl. No. List – A List – B
i. IS 3370 a. Code of Practice for design loads – Snow load
ii. IS 875 – 4 b. Code of Practice for design loads – Special loads and
load Combinations
iii. IS 1343 c. Concrete Structures of Storage of liquids
iv. IS 875 – 5 d. Code of Practice for Prestressed Concrete
i ii iii iv
Answer
A. c a d b
32
maximum permissible slenderness ratio of a member subjected to compressive load
due to wind/earthquake
Answer
B. 250
33
The losses in prestress in pre-tensioning system are due to Elastic deformation of
concrete
1. Friction
2. Shrinkage and Creep of concrete
3. Shrinkage and Elastic deformation
Select the correct answer using the codes given :
Answer
Question Cancelled
34
design of Pins is primarily governed by
Answer
C. Flexure
35
Which of the following are the general requirements of retaining wall ?
1. The factor of safety against sliding should be at least 1.5.
2. The bearing pressure at toe should be less than the bearing capacity of the
soil.
3. The resultant of the weight of the wall and the pressure exerted by the retained
earth should have an eccentricity not more than one sixth of the base width.
Answer
B. 1,2and3
36
The development length in compression for a 25 mm diameter deformed bar of
grade Fe415 embedded in concrete of grade m30 whose design bond stress is
1.50 N/mm2 is
Answer
C. 755 mm
37
The time required for 50% consolidation of a 3 cm thick clay layer
Answer
B. 2500 minutes
38
determine the theoretical maximum dry density in g/ml for a soil sample having
specific gravity of 2.50 and optimum moisture content of 10%.
Answer
A. 2.00
39
A fine-grained soil with liquid limit 70% and plastic limit 60% is classified as
Answer
D. High plastic
40
Consider the following statements :
1. The standard penetration test is used for determining the relative density of
cohesionless soils.
2. For two soils having the same relative density, SPT N-value will be lower for
the soil having higher confining pressure.
3. For SPT N values, dilatancy correction is applied first before the overburden
correction.
Which of these statements is/are correct ?
Answer
A. 1 only
41
match Column – I and Column – II and choose the correct option :
Column – I Column – II
a. Rankine’s theory i. Total stress analysis
b. Boussinesq’s formula ii. Plastic equilibrium
c. Coulomb’s theory iii. Elastic continuum
d. Friction circle method iv. Sliding wedge
Answer
D. a – ii, b – iii, c – iv, d – i
42
The ultimate bearing capacity of a strip footing resting on sand is reduced by half
when the water level rises to
Answer
B. ground surface
43
A pile is driven into homogeneous consolidated clay deposit with unconfined
compression strength of 50 kN/m2, then ultimate tip resistance of the pile will be
Answer
C. 225 kN/m2
44
A vertical summit curve is formed by two gradients of +4.6% and –5.0% and the
corresponding overtaking sight distance is 110 m. The length of the curve length
which is greater than overtaking sight distance to be provided is
Answer
D. 121 m
45
Consider the following statements :
1. In rotary intersection, conflict points are reduced by merging and diverging of
vehicles.
2. Traffic rotary is an intersection at grade type.
3. Rotary intersection is suitable if there are more than seven intersecting roads.
Which of these statements is/are correct ?
Answer
B. 1 and2
46
The typical pavement failure observed in bituminous overlays provided over
existing cement concrete pavements is
Answer
A. Reflection cracking
47
If the ruling gradient is 1 in 100 for a metre gauged railway track, the allowable
ruling gradient in percentage for a 5° curve in the track will be
Answer
C. 0.85
48
The maximum harbour depth below lowest low water for a loaded draft of 10 m
and rock bottom condition, is
Answer
B. 11.80 m
49
The main disadvantage of nose in parking configuration of aircraft is
Answer
D. Gate delays
50
The town development stage which indicates physical decay of most portions of
the town is
Answer
C. Senile
51
In many states, recommended cross sectional area of the contour bunding consisting
of 30 cm depth of impounding and provision of 30 cm depth of flow over waste weir
and also considering practical aspects of maintaining under low rainfall conditions
would be
Answer
B. 1.0 sq.m
52
While designing of bench terracing followed by execution of its earth work which of
the statement is False ?
Answer
A. Width of terracing (w) is directly proportional to land slope, S(%)
53
The function of the outlet as a component of a spillway is to discharge the excess
water into the channel below at safer velocity. Which of its structural component does
not function as outlet ?
Answer
A. Ogee
54
While analysing structural stability of a hydraulic structure, there is a requirement
to check its stability against failure. What would be not correct assessment in the
context of structural stability analysis ?
Answer
D. To avoid tension within the structure, the eccentricity (e) should not be more
than b/4 on either side of middle of the base
55
The slope of a mass of loose dug earth thrown upon horizontal plane gradually slips
until it finally attains slope of equilibrium
Answer
B. oth dry and
wet conditions) angle of repose is applicable to clay soil (in degree) ?
56
The plotting position method estimates maximum expected rainfall. If rank is m and sample size is n, the percentage probability is:
Answer
C. [(m−0.3)/(n+0.4)] × 100
57
The basin lag or time to peak of a synthetic hydrograph may be estimated by tₚ = Cₜ(L × Lca)^0.3, where Cₜ is an empirical constant, A is catchment area (km²), L is the longest watercourse length (km), and Lca is the length along the main stream from outlet to basin centroid. Who proposed the equation?
Answer
B. Snyder
58
The shape of the drainage basin or watershed which can be expressed as the
coefficient or ratio using its area
Answer
B. Form factor
59
The dupuit’s parabolic equation that yields seepage discharge per unit width through
any vertical section of earthen dam which specifies parabolic free surface does have
taken into account of
Answer
D. Hydraulic gradient between upstream and downstream (tail water) of the
earthen dam
60
Among the three types of movements envisaged through mechanism of wind erosion
which of the following is responsible for transporting the maximum portion of the soil
along the surface of the ground ?
Answer
A. Saltation
61
The constructed bench terraces are expected to absorb most of the rainfall coming
over the area by the soil and very little to go as surface drainage. How do you define
such terraces ?
Answer
B. Irrigated bench terraces
62
The Symon’s rain gauge consists of a funnel and glass bottle as receiver. The collected
quantity is measured in special measuring glass graduated in special measuring glass
jar graduated in millimetre. When the jar is full, it can measure _________ cm of rain.
Answer
B. 1.25
63
In the Universal soil loss equation, while estimating the effects of slope length factor (l)
as per the recommendations (Wishmeier and Smith, 1965) value of the exponent (m) for
the slope for more than 5.0 per cent would be
Answer
A. 0.5
64
In the expression of Rational method for estimating peak rate of runoff, intensity
(mm per hour) for design recurrence interval would be for a duration equal to
Answer
B. Time of concentration
65
Estimates of runoff volume from large areas are made by use of infiltration indices.
The relation between ϕ-Index, fave-Index and W-Index is given by
Answer
A. W < Φ
66
The water that could be remained in the soil after reaching to permanent wilting point
being unavailable to the plant is known as
Answer
B. Hygroscopic water
67
The relation between bulk density (γ
Answer
A. γb = γd(1 + w)
68
While assessing the reservoir storage capacity at a given location using mass curve
drawn between cumulative annual inflow and cumulative annual demand line, the
capacity of the reservoir is determined wherein
Answer
A. Their departure between them is maximum
69
While undertaking the land levelling operations, the cut-fill ratio is kept at greater
than 1.0. Which of the following soil-water relation factor would be affecting the extent
of cut-fill ratio ?
Answer
A. Shrinkage limit
70
The albedo
Answer
C. As high as 0.95
71
Which of the statement is not true in case of soil moisture movement ?
Answer
C. Unsaturated flow ceases in clay textured soil relatively at lower tension than
sandy oil
72
Which of the following soil texture along with sub soil would be considered as good
to excellent suitability for irrigation ?
Answer
B. loam
73
In a field test of border strip irrigation method with given size of stream and strip
length, the advance and recession curves have been derived. If these two curves
are found to be mutually parallel, the unique interpretation or indication of the data
would be
Answer
B. Uniform distribution
74
In case of estimation of reference crop evapotranspiration using FAO-Penman-
monteith method, the term psychometric constant (γ) does directly proportional to
the following factor
Answer
D. Specific heat at constant pressure and atmospheric pressure
75
The velocity profile of the flow through open channel indicates the variability of
velocity along the depth. In order to determine the mean velocity of the channel
(<1 m depth) using current meter, it would be good estimate if measurement be taken
at __________ depth
Answer
C. 0.2 d and 0.8 d
76
When a soil is dried in an oven at 105°C for at least 12 hours, soil sample reaches
to a stage where no water is left and that point would be corresponding roughly with
a value of potential force (pF) in the soil
Answer
A. pF – 7
77
With equal total head loss, the allowable maximum discharge in a non-uniform drain pipe is higher by:
Answer
A. √3
78
In a drip irrigation system, organic matter or algae can be removed by using the
Answer
D. Disc filter
79
The soil sample of a field when tested shows EC of saturation extract with value
greater than 4.0 milli mhos/cm at 25°C, ESP value greater than 15 and pH of saturated
paste exceeds 8.5. Hence, soil is classified as
Answer
C. Saline-alkali soil
80
A centrifugal pump discharges 0.02 cubic metre of water per second against total
head of 40 m when the speed is 1450 rpm. The specific speed (rpm) of the pump is
Answer
A. 12.89
81
Hydraulic resistance
Answer
B. Aquifer
82
The most economical or the most efficient rectangular channel section can be
achieved subjected to condition that
Answer
C. Both
83
In case of Theis Recovery method, the drawdowns in the pumped or nearby
observation well are measured at different time intervals during and after the pumping
is stopped. While estimating transmissivity (T) and storage coefficient (S) which of
the following statement is not valid ?
Answer
B. Residual drawdown (s’) pertains to time elapsed for recovery
84
In case of canal flow system, a sudden and turbulent but controlled passage of water
at a reach through appropriate functional arrangement is called as hydraulic jump.
In this context, which of the following statement is incorrect ?
Answer
B. Passage of water is from subcritical to supercritical state
85
An area of 20 ha needs to be irrigated by a pump working for 12 hours per day. The
available moisture holding capacity of the soil is 16 cm/m of soil and depth of root
zone is 1.0 m. The irrigation needs to be done when 50 per cent of available soil
moisture in the root zone is depleted. The peak rate of moisture use by the crop is
4.0 mm. Water application efficiency is 70 cent. The depth of irrigation period is
Answer
A. 20.0 days
86
Diesel cycle efficiency is maximum when the cut-off is
Answer
C. Zero
87
3-bottom tractor drawn mounted mB plough will have
Answer
C. landside in rear bottom only
88
In order to obtain minimum untilled soil the disks of the rear gangs in a tandem
disk harrow in comparison to discs of front gangs are mounted
Answer
A. In the same track of front gang
89
The ratio of drawbar horsepower to the power of input to the final drive axle is
Answer
D. Tractive efficiency
90
In badly lodged crop situations, the reel index should be _______ when compared
to upright crops.
Answer
A. less
91
The clearance between knife section and ledger plate is
Answer
D. 0.5 – 1.0 mm
92
_________________ type of nozzle produces spray pattern of 30° forward and
30° backward.
Answer
D. Twin-orifice fan nozzle
93
Beyond the break-even point, operating larger size of equipment will be
__________ as compared to a small size equipment.
Answer
B. more economical
94
The seed rate for a particular type of seed is adjusted by
Answer
D. All of the above
95
___________ type furrow opener is more suitable for shallow and medium depth
seeding.
Answer
D. double disc type
96
The property of material related to the ability to conduct heat and to store heat
energy is
Answer
B. Thermal diffusivity
97
In vertical silos, to achieve reliable mass flow, the hopper slope angle should be
Answer
C. 60° – 70°
98
In Ultra-High-Temperature sterilization, the food is sterilized at
Answer
C. 150°C for 1 – 2 sec
99
Which of the size reduction machinery not used in food industry ?
Answer
C. Jaw crushers
100
Pasteurization of fluid milk will need about __________ kg of steam per kilogram
of milk pasteurized in HTST pasteurizer.
Answer
A. 0.20
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