| Post Name | LECTURER Gr.I-RURAL ENGG. - RURAL DEVELOPMENT |
|---|---|
| Question Paper Code | 061/2020 |
| Category Code | 068/2015 |
| Date of Test | 19 December 2020 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
If f(x ) ļæ½ ļæ½ļæ½ sin x cos x 0ļæ½ļæ½ , then f(x + y) is
ļæ½ļæ½ 0 0 1ļæ½ļæ½
Answer
B. f(x) f(y)
2
Let A be a non-singular matrix of order 4. Then det
Answer
C. |A|3
3
The coefļ¬cient of rth and (r + 1)th terms in the expansion of (1 + x)20 are in the ratio
1 : 2, value of r
Answer
A. 7
4
The value of tan 225Ā° cot 400Ā° + tan 675Ā° cot 315Ā°
Answer
Question Cancelled
5
The slope of the line perpendicular to x ā 3y + 5 = 0 is:
Answer
D. ā3
6
The function f(x) = xĀ³ ā 3xĀ² + 4x:
Answer
A. Strictly increasing in (āā, ā)
7
Derivative of cosā1(sin x) with respect to x
Answer
D. ā1
8
The area bounded by the curve y = xĀ³, the x-axis and the ordinates x = ā2 and x = 1 is:
Answer
B. 17/4
9
The integrating factor of the differential equation x ļæ½ y ļæ½ 2x 2
dx
1
Answer
C. x
10
Integral of with respect to x
sin x cos2 x
2
Answer
A. tan x ā cot x + c
11
Low heat cement contains
Answer
D. Small percentage of tricalcium aluminate and high percentage of dicalcium
silicate
12
For a circular section of masonry having diameter ādā, allowable eccentricity for an
axial load is
Answer
A. d 8
13
The minimum depth of foundation given by Rankineās formula, for a soil of safe
bearing capacity of 18 tonnes/sq.m, density 2000 kg/m3 and angle of repose of soil
30Ā° is
Answer
B. 1.00 m
14
The length of a line measured with a 20 m chain was found to be 300 m. It was
afterwards found that the chain was 0.04 m too long. The true length of the line is
Answer
C. 300.60 m
15
A line of level was run from bench mark āAā of reduced level 100.854 to a bench
mark āBā of reduced level 102.652. If the sum of back sights was 2.190 and foresights
0.400, then closing error of levelling work is
Answer
A. ā 0.008 m
16
Which of the following is true for a 4 stroke SI engine with regard to the camshaft
speed ?
Answer
B. Half the crankshaft speed
17
Which of the following is not an engine part ?
Answer
C. Differential
18
Octane number of a fuel is calculated by comparing the knocking with a mixture of
Answer
D. Iso octane and normal heptane
19
If the torque due to brake load is 200 kNm and the engine speed is 600 rpm, the
brake power developed in metric HP is
Answer
C. 17.07 HP
20
Choose the correct combination.
Answer
C. Pelton turbine-High head low discharge, Francis turbine-Medium head medium
discharge
21
If the value of power factor in an A.C. circuit is unity. The load is
Answer
C. Resistive
22
Three resistances of 10 ohms, 15 ohms and 30 ohms are connected in parallel. The
total resistance of the circuit is
Answer
A. 5 ohms
23
Magnetic ļ¬ux has the unit of
Answer
D. Weber
24
An alternating voltage is equal to 141.4 sin 377t, what is the value of frequency ?
Answer
B. 60 Hz
25
A certain appliance uses 100 W. If it is allowed to run continuously for 12 days, how
many kilowatt-hours of energy does it consume ?
Answer
C. 28.8 KWh
26
What will be the voltage at the DC terminals of a 3 phase full bridge rectiļ¬er fed from
a 415 V, 50 Hz supply ?
Answer
D. 560 V
27
Which one of the following material is used for making red colour LED ?
Answer
C. GaAsP
28
What is the maximum size of memory addressed by an 8 bit address bus in a
microcontroller ?
Answer
A. 256 bytes
29
Which register points to the address of next instruction to be executed ?
Answer
A. Program counter
30
The output voltage of an inverter is controlled by
Answer
C. Pulse width
31
The defect in timber indicated by red or yellow tinge caused due to poor ventilation
during storage is called
Answer
D. Foxiness
32
As per IS 1237 : 2012 the average percentage of water absorption in weight of cement
concrete ļ¬ooring tiles shall not exceed
Answer
A. 10
33
The percentage of alumina should contain in a brick is
Answer
C. 20 ā 30
34
Pick the not harmful ingredient present in brick earth from the following.
Answer
C. Small quantity of magnesia
35
As per IS 1077 ā 1992, the non-modular size of the brick is
Answer
A. 230 mm Ć 110 mm Ć 70 mm (length, breadth, height)
36
Fat lime is also called as
Answer
B. Rich lime
37
Excess of sulphur present in cement will make cement to
Answer
B. Unsound
38
Which test is used in cement to detect the presence of uncombined lime ?
Answer
C. Soundness
39
Density of cement is
Answer
A. 1440 kg/m3
40
The thin layer of sap between sap wood and inner bark in timber is
Answer
D. Cambium layer
41
The alternative name of Potash - lime glass is
Answer
B. Hard glass
42
The defect caused by the water vapour which is trapped behind the painted
surface
Answer
C. Blisting
43
Which method is not used to estimate bearing capacity of soil ?
Answer
D. Proctor method
44
An enclosure built within or in pairs across, a body of water to allow the enclosed
area to be pumped out and creates a dry work environment so that the work can be
carried out safely is called
Answer
A. Coffer Dams
45
A projecting stone which is usually provided to serve as support for joist truss etc. is
called
Answer
A. Corbel
46
The edge of a gable, running between eaves and ridge is called
Answer
B. Verge
47
The joint used in stairs formed by ļ¬tting the entire thickness of the end of one member
for a short distance into another piece
Answer
C. Housed joint
48
The depression or recess made inside the door frame to receive the door shutter is
called
Answer
B. Rebate
49
The paint containing binding material such as polyvinyl lactate, styrene, alkyd resin
and other synthetic resins
Answer
C. Emulsion paints
50
The permissible stress in compression of M30 concrete in bending as per
IS 456 -2000 is
Answer
A. 10 N/mm2
51
The best estimate of the time required to accomplish an activity (m) or a path (M),
assuming everything proceeds as normal
Answer
A. Most likely time
52
The valve used in pipe lines for convenience in manually closing the pipes to control
the ļ¬ow of water
Answer
A. Globe valve
53
Damp proof course is measured in
Answer
A. m2
54
The name of contract where the contractor quotes rates for item work exclusive of
the element of materials which are supplied by department free of cost
Answer
A. Labour contract
55
The start or completion of task, is signiļ¬cant point in project and does not consume
time or resources is called
Answer
A. Event
56
If the observed for bearings of a line AB is 142 degrees 18 minutes, ļ¬nd its back
bearings
Answer
C. 322 degrees 18 minutes
57
The bearing of a line AB is 152 degrees 20 minutes and the angle ABC is 124 degrees
38 minutes. What is the bearing of BC ?
Answer
A. 96 degrees 58 minutes
58
Find the correction for curvature for a distance of 800 m.
Answer
A. 0.05 m
59
The method of levelling adopted to determine the difference of level between two
points at considerable distance apart with great precision
Answer
B. Reciprocal levelling
60
Find the angle between the lines OA and OB if their respective bearings are
16 degrees 10 minutes and 332 degrees 18 minutes.
Answer
B. 316 degrees 8 minutes
61
Find the delta for a crop if the duty for a base period of 110 days is 1728 hectares /
cumec.
Answer
A. 0.55 m
62
The area in which crop is grown at a particular time or crop season is called
Answer
C. Culturable Cultivated Area
63
The impermeable formation which neither containing water nor transmits any
water
Answer
A. Aquifuge
64
The name of dam constructed to store water during ļ¬oods and release at a safe rate
when the ļ¬ood recedes
Answer
B. Detention dam
65
The spillway which the ļ¬ow passing over a weir or ogee crest is carried away by the
channel running essentially parallel to the crest
Answer
B. Side channel spillway
66
The structure which raises the water level in the river so that the commanded area
can be increased
Answer
A. Diversion head work
67
āThe amount of silt held in suspension is proportional to the upward force of vertical
eddies and varies with bed width and some power of the velocity of ļ¬ow in the
channelā
The above statement is based on which theory ?
Answer
B. Kennedeyās theory
68
The structure constructed transverse to the river ļ¬ow and extend from the bank into
river up to a limit
Answer
A. Groynes
69
Find the speciļ¬c gravity of a ļ¬uid having viscosity 0.03 poise and kinematic viscosity
0.015 stokes.
Answer
A. 2.0
70
Find the surface tension in a soap bubble of 30 mm diameter when the inside pressure is 4 N/mĀ² above atmospheric pressure.
Answer
C. 0.015 N/m
71
The type of ļ¬ow which velocity at any given time does not change with respect to
space
Answer
C. Uniform ļ¬ow
72
Pick the assumption which is not used in Bernoulliās equation.
Answer
C. Flow is compressible
73
Pick the correct relation used in an oriļ¬ce.
Answer
A. Coefļ¬cient of discharge = Coefļ¬cient of velocity Ć Coefļ¬cient of contraction
74
Cipolletti weir is having side slopes as
Answer
C. 1 horizontal to 4 vertical
75
The energy correction factor for laminar ļ¬ow through a circular pipe is
Answer
B. 2
76
The Reynolds number for a laminar ļ¬ow is 1600. Find the coefļ¬cient of friction
between pipe and ļ¬uid for that ļ¬ow.
Answer
A. 0.01
77
The hydraulic machines which convert hydraulic energy in to mechanical energy is
Answer
A. Turbines
78
The visibility necessary for a driver to be able to see an obstruction in time to bring
the vehicle to a halt without a collision is deļ¬ned as
Answer
A. Stopping sight distance
79
A soil sample has a porosity of 20 percent. Calculate void ratio.
Answer
C. 0.25
80
The ratio of plasticity index to ļ¬ow index is deļ¬ned as
Answer
A. Toughness index
81
Pick the method of removing permanent hardness.
Answer
C. Base exchange process
82
The process of removing suspended matters from the water by keeping it quiescent
in tanks, so that the suspended matters may settle down in the bottom due to force
of gravity is called
Answer
A. Plain sedimentation
83
The type of wastewater treatment process for treating sewage or industrial wastewaters
using aeration and a biological ļ¬oc composed of bacteria and protozoa
Answer
A. Activated sludge process
84
The process by which air is circulated through, mixed with or dissolved in a liquid or
substance
Answer
A. Aeration
85
The mass speciļ¬c gravity of a soil equals 1.35. The speciļ¬c gravity of solids is 2.70.
Determine the void ratio under the assumption that the soil is perfectly dry.
Answer
D. 1.00
86
Choose the factor which is not affecting compaction.
Answer
D. None of the above
87
As per IS 2950-1965, the maximum differential settlement should not exceed
___________ for a raft foundation resting on clayey soils.
Answer
C. 40 mm
88
The diameter of bulb in a under reamed pile may be taken as
Answer
B. 2 to 3 times the diameter of the stem
89
The coefļ¬cient of consolidation can be determined in laboratory by
Answer
A. Square root of time ļ¬tting method
90
Pick the method in which water content of soil sample cannot be determined.
Answer
D. None of the above
91
Modulus of rigidity of steel is
Answer
A. 75 GPa ā 80 GPa
92
Find the degree of static indeterminacy of propped cantilever.
Answer
C. 1
93
Moment distribution method is used to
Answer
A. Analyze indeterminate structures
94
Find the slope at the free end of a cantilever with uniformly distributed load w/m over a span L.
Answer
B. wLĀ³/(6EI)
95
Find the deļ¬ection at the free end of a cantilever with span āLā subjected to a clockwise
moment āMā at the free end.
Answer
B. ML2/2EI
96
The moment of inertia of a triangle about its base is given by
Answer
C. bh3/12
97
The number of days required to remove the prop of a beam having a span of 8 m as
per IS 456-2000
Answer
C. 21 days
98
Normally structures exceeding __________ in length are designed with one or more
expansion joints, as per IS 456-2000.
Answer
B. 45 m
99
Which option is used to ļ¬nd the pitch of lateral tie used in R C C column as per
IS 456-2000 ?
Answer
C. 16 times the smallest diameter of the longitudinal bar to be tied
100
The maximum diameter of reinforcing bars permitted in an R C C slab having overall
depth 140 mm, as per IS 456-2000
Answer
D. 16 mm
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