Overseer Gr I/ Draftsman Gr I (Civil) Question Paper and Answer Key

 Question Code:028/2020

Medium of Question- ENGLISH

Name of Post: Overseer Gr I/ Draftsman Gr I (Civil) 

Department: Harbour Engineering

Cat. No. 301/2018

1. The ratio of the length of the drawing to the actual length of the object is
 A) Representative Fraction
 B) Diagonal Scale
 C) Vernier Fraction
 D) Refraction Index

 2. A conic section which have only one directrix is
 A) Circle
 B) Hyperbola
 C) Parabola
 D) Ellipse

 3. Rapid hardening Portland cement having quick rate of gain of strength due to higher content of
 A) Tricalcium Silicate
 B) Dicalcium Silicate
 C) Tricalcium Aluminates
 D) Tetracalcium Aluminates
4. The property of increase in volume of fine aggregate due to moisture is called
 A) Slacking
 B) Bulking
 C) Warping
 D) Shrinking

 5. Good brick earth this constituent imparts plasticity to the earth it can be moulded
 A) Lime
 B) Alumina
 C) Silica
 D) Oxide of Iron

 6. It is the liquid substance which hold the ingredient of paint in liquid suspension
 A) Base
 B) Driers
 C) Vehicles
 D) Colouring Pigments

 7. In chemical classification of rock, marble is known as
 A) Siliceous rock
 B) Metamorphic rock
 C) Calcareous rock
 D) Argillaceous rock

 8. The process of heating the limestone to redness in contact with air is termed as
 A) Calcinations
 B) Slacking of lime
 C) Fat lime
 D) Water lime

 9. The portion from which the branches is removed receives nourishments from the trunk and dark rings which are known as
 A) Knots
 B) Ring galls
 C) Medulla
 D) Pith

 10. It indicate the loss of water penetrated into the soil it may join some underground water
 A) Transpiration
 B) Surface runoff
 C) Percolation
 D) Infiltration
11. For potable water, the amount of chloride should not exceed
 A) 225 ppm
 B) 275 ppm
 C) 150 ppm
 D) 250 ppm

 12. The theoretical time taken by a particle of water to pass between entry and exit of a setting tank is known as
 A) Detention period
 B) Settling period
 C) Period of penetration
 D) Falling period

 13. The valve is an automatic device which allows water to go one direction only
 A) Relief valve
 B) Sluice valve
 C) Scour valve
 D) Reflex valve

 14. The term used to indicate the waste water from bathroom, kitchen etc.
 A) Night-soil
 B) Raw sewage
 C) Sullage
 D) Septic sewage

 15. It is constructed to provide a connection between the high level branch sewers to low level main sewer with a minimum amount of disturbances
 A) Drop Manhole
 B) Manhole
 C) Catch Basin
 D) Inlet

 16. Amount of oxygen required to carrying out the biological decomposition of dissolved solids in sewage under aerobic condition at standard condition
 A) Dissolved oxygen
 B) Chemical oxygen demand
 C) Biochemical oxygen demand
 D) Oxygen demand

 17. The term is used to indicate the sludge which is obtained by settling sewage in presence of abundant oxygen
 A) Activated Sludge
 B) Aeration
 C) Diffusers
 D) Mechanical Aeration

 18. The quantity of liquid waste which flows in sewers during the period of rainfall is known as
 A) Outfall sewage
 B) Septic sewage
 C) Chemical sewage
 D) Storm sewage

 19. What is the minimum amount of DO required for the survival of aquatic animals ?
 A) 8 mg/l
 B) 12 mg/l
 C) 2 mg/l
 D) 4 mg/l

 20. The length of a surveyor’s chain is
 A) 33ft
 B) 60ft
 C) 66ft
 D) 100ft

 21. The meridian through a point is the line in which a plane, passing that point and the north and south poles, intersection with surface of the earth
 A) Magnetic meridian
 B) Arbitrary meridian
 C) True meridian
 D) Magnetic bearing

 22. Convert the angle 327°24'00" to Quadrantal bearing
 A) N 32°36'00"W
 B) N 57°24'00"W
 C) S 32°36'00"E
 D) S 57°24'00"E
23. The process of determining the plotted position of the station occupied by the plane table, by means of sight taken towards known point, location of which have been plotted
 A) Intersection
 B) Orientation
 C) Radiation
 D) Resection

 24. It is the method of direct leveling the object of which is solely to determine the difference in two point regardless of the horizontal position of the point with respect of each other
 A) Profile leveling
 B) Reciprocal leveling
 C) Precise leveling
 D) Fly leveling

 25. Contour lines of different elevation can intersect only in the case of
 A) Vertical cliff
 B) Overhanging cliff
 C) Uniform surface
 D) Hill

 26. It is the line passing through the intersection of the horizontal and vertical cross hairs and optical centre of the object glass and its continuation
 A) Axis of the level tube
 B) Horizontal axis
 C) Line of collimation
 D) Axis of collimation

 27. An angle is measured two or more times by allowing the vernier to remain clamped each time at the end of each measurement instead of setting it back at zero when sighting at the previous station
 A) Repetition method
 B) Reiteration method
 C) Direction method
 D) Direct angle method
28. It is a combination of an electronic theodolite and an electronic distance meter
 A) Geodimeter
 B) Distomat
 C) Total station
 D) Tellurometer
29. A small pocket instrument used for measuring horizontal and vertical angle
 A) Box sextant
 B) Pantograph
 C) Clinometer
 D) Hand level
30. When the vertical circle of a theodolite is on the right side of the observer, the position is
 A) Face left
 B) Changing face
 C) Swinging
 D) Face right
31. In an open traverse the included angle at a station is 209°16'00", deflection angle at that point is
 A) 29°16'00"
 B) 59°44'00"
 C) 150°44'00"
 D) 318°16'00"

 32. Which method is used for balancing the traverse when angular and linear measurements are equally precise ?
 A) Bowditche’s rule
 B) Transit rule
 C) Sine rule
 D) Cosine rule

 33. Point where alignment changes from curve to straight
 A) Point of curve
 B) Point of intersection
 C) Point of tangency
 D) Reverse curve

 34. The process of collecting information about an object or an area without being the direct contact
 A) Geographical information system
 B) Global positioning system
 C) Remote sensing
 D) Astronomical survey

 35. The value of the strength of the material below which not more than 5 percent of the test results are expected to fall
 A) Allowable strength
 B) Working strength
 C) Maximum strength
 D) Characteristic strength

 36. In limit state of flexure the maximum strain in concrete at the outermost compression fiber in bending is taken as
 A) 0.0035
 B) 0.00035
 C) 0.002
 D) 0.035

 37. The maximum spacing of shear reinforcement measured along the axis of the member should not exceed
 A) 350 mm
 B) 450 mm
 C) 400 mm
 D) 380 mm

 38. The strength of a compression member with helical reinforcement the strength of similar member with lateral ties is
 A) 1.50 times
 B) 1.05 times
 C) 1.15 times
 D) 1.10 times

 39. The member subjected to torsion shall be designed for fictitious shear which is function of the actual shear and torsion
 A) Critical shear
 B) Equivalent shear
 C) Theoretical shear
 D) Design shear

 40. Minimum size of longitudinal bars in a column shall be
 A) 10 mm
 B) 12 mm
 C) 16 mm
 D) 8 mm

 41. In RCC retaining wall extra bars provided to satisfy the bearing pressure are known as
 A) Torsion bars
 B) Dowel bars
 C) Anchor bars
 D) Main bars

 42. The minimum elongation percentage on standard gauge of mild steel is
 A) 32%
 B) 25%
 C) 20%
 D) 23%

 43. A member if a truss which is under compressive force is known as
 A) Tie
 B) Collar
 C) Strut
 D) Beam

 44. Distance from centre of bolt-hole to the nearest edge is known as
 A) Throat thickness
 B) Edge distance
 C) Throat distance
 D) Pitch distance

 45. Minimum pitch of bolts shall not be less than
 A) 1.7d
 B) 1.5d
 C) 2.5d
 D) 2.7d

 46. Least value of design strength of bolt in bearing, design strength of bolt in shear is known as
 A) Shear value
 B) Gauge value
 C) Bolt value
 D) Edge value

 47. The member of a roof truss subjected to transverse load and rest on rafters are known as
 A) Cleat
 B) Rafter
 C) Tie beam
 D) Purlins

 48. To minimize the wind forces on the roof, the slope of the roof in degrees should not exceed
 A) 30°
 B) 25°
 C) 27°
 D) 32°

 49. The ratio of lateral strain to axial strain is a constant for a homogeneous material
 A) Poisson’s ratio
 B) Shear modulus
 C) Bulk modulus
 D) Young’s modulus

 50. The maximum energy stored at elastic limit of a material is known as
 A) Resilience
 B) Bulk resilience
 C) Proof resilience
 D) Modulus of resilience


  54. A circular column of diameter ‘d’ under any load will have compressive stress throughout the section of the load act within concentric circle known as core, of diameter
 A) d/8
 B) d/3
 C) d/2
 D) d/4

 58. The tendency of a material to fracture without appreciable deformation is called
 A) Ductility
 B) Malleability
 C) Toughness
 D) Brittleness

 59. When a body is fully immersed in water, the point through which the resultant pressure act is known as
 A) Total pressure
 B) Centre of pressure
 C) Gauge pressure
 D) Absolute pressure
60. A flow in which the velocities of liquid particles at all section of the pipe or channel are equal is called
 A) Uniform flow
 B) Steady flow
 C) Streamline flow
 D) Compressible flow
61. It is an instrument to determine the velocity at required point in the flowing stream
 A) Venturi meter
 B) Orifice meter
 C) Pitot tube
 D) Viscosity meter

 62. It is a velocity at which the flow changes laminar flow to the turbulent flow
 A) Inlet velocity
 B) Velocity of flow
 C) Critical velocity
 D) Uniform velocity

 63. It is a tank is also provided just on the upstream of the power to control the pressure variation and eliminate the effect of water hammer
 A) Surge tank
 B) Flushing tank
 C) Overhead tank
 D) Orifice tank

 64. I is the ratio of inertia force to the gravity force
 A) Froude’s number
 B) Reynolds’s number
 C) Mach’s number
 D) Euler’s number

 65. It is defined as the fall of moisture from the atmosphere to the earth surface in any form
 A) Transpiration
 B) Runoff
 C) Percolation
 D) Precipitation

 66. The permeable formation having structure which permits appreciable quantity of water to move through them under ordinary field condition
 A) Aquiclude
 B) Aquifuge
 C) Specific yield
 D) Aquifer

 67. It is the overflow portion of dam, over which surplus discharge flow from the reservoir to the down stream
 A) Spillway
 B) Diversion head works
 C) Weir
 D) Regulator works

 68. An embankment protected on all sides by stone or concrete block, built at right angle to the axis of the weir separation of the weir and the under sluices
 A) Wing wall
 B) Barrage
 C) Groyne
 D) Abutment

 69. The crops which cannot normally be grown without irrigation water are called
 A) Wet crops
 B) Dry crops
 C) Perennial crops
 D) Seasonal crops

 70. The relation between the area irrigated and the quantity of water used is expressed as
 A) Duty
 B) Delta
 C) Base period
 D) Crop period

 71. The amount of water stored in river channel without any artificial storage is known as the
 A) Dam
 B) Diversion dam
 C) Valley storage
 D) Dead storage

 72. The area of the land which drain into the stream of reservoir is called
 A) Cultivated area
 B) Commanded area
 C) Reservoir area
 D) Catchment area

 73. Canal normally used for diversion or flood water of river is
 A) Contour canal
 B) Ridge canal
 C) Perennial canal
 D) Inundation canal

 74. It is defined as the slope of the line joining the crown and the edge of the surface
 A) Camber
 B) Super elevation
 C) Gradient
 D) Carriage way

 75. The solution of bitumen, asphalt or coal tar in solvents is
 A) Emulsion
 B) Cut backs
 C) Bitumen macadam
 D) Sheet asphalt

 76. It is a safety island and serves the dual purpose of affording the protection to the pedestrians and segregating the traffic into the proper channel
 A) Refuge island
 B) Traffic island
 C) Turbine island
 D) Multiple junction

 77. The pavement which can resist tensile stresses and having very little resistance to deformation under the wheel load
 A) Flexible pavement
 B) WBM pavement
 C) Shoulder pavement
 D) Rigid pavement

 78. The longitudinal movement of the rails in a track due to various reasons
 A) Creeping of rails
 B) Derailment
 C) Leed rails
 D) Hogged rails

 79. Clear horizontal distance between inner face of two rails forming the track at the top is
 A) Gauge
 B) Sleeper density
 C) Rail length
 D) Packing space

 80. Arrangement to divert train from one track to another is known as
 A) Turn out
 B) Crossing
 C) Curves
 D) Suspended joint

 81. Station which are meant only for the control of the track is called
 A) Terminals
 B) Flag station
 C) Junction
 D) Cabin station

 82. Paved surface used for landing and take-off of aircraft is known as
 A) Rolling
 B) Taxiway
 C) Apron
 D) Runway

 83. Upstream nose of a bridge pier shaped for easy and smooth flow of water through it is known as
 A) Easy water
 B) Clearance water
 C) Cut water
 D) Free water

 84. The supports provided to the super structure of the bridge at the abutments and piers allowing free longitudinal or angular movements to the main girders or trusses of bridge
 A) Railing
 B) Free board
 C) Clearance
 D) Bearings

 85. A bridge having maximum span 6 m is called
 A) Minor bridge
 B) Major bridge
 C) Culvert
 D) Straight bridge

 86. The formal approval by the department concerned of the project proposal for incurring the expenditure on a work initiated is
 A) Technical sanction
 B) Government sanction
 C) Administration sanction
 D) Expert committee sanction

 87. Determination of rate of an item of work from quantities of materials and labours are and their cost is
 A) Supplementary rate
 B) Revised rate
 C) Detailed rate
 D) Analysis of rate

 88. The total area of floor in between walls and consists of floor of all rooms, verandahs, passages, corridors etc. are known as
 A) Carpet area
 B) Plinth area
 C) Floor area
 D) Circulation area

 89. One cubic meter of Portland cement weights
 A) 1400 kg
 B) 1440 kg
 C) 1540 kg
 D) 1340 kg

 90. The term used to denote the gradual reduction in the useful life of the asset is
 A) Annual depreciation
 B) Capital depreciation
 C) Depreciation
 D) Sinking fund

 91. The value at the end of the utility period without being dismantled
 A) Scrap value
 B) Salvage value
 C) Book value
 D) Market value

 92. The capacity of doing work by an artisan or skilled labour in the form of quantity of work per day is known as
 A) Out tern work
 B) Over out turn work
 C) Present turn work
 D) In tern work

 93. The expected out tern of cement concrete 1 : 2 : 4 per mason per day is
 A) 4.5 m3
 B) 5.0 m3
 C) 5.5 m3
 D) 6 m3

 94. The drafting setting used to constrain the movement of cursor either horizontal or vertical direction is
 A) SNAP command
 B) O-SNAP command
 C) Ortho command
 D) GRID command

 95. The command used to set drawing boundaries in AUTO CAD is
 A) Areas
 B) Boundaries
 C) Drafting
 D) Limits

 96. Volume right cone having 20 cm base diameter and 15 cm height
 A) 1470 cm3
 B) 1570 cm3
 C) 1670 cm3
 D) 1750 cm3

 97. The price Rs. 100 of an object is increased twice 10% then the present price is
 A) 112
 B) 121
 C) 122
 D) 120

 98. Set back distance required at rear of a building is
 A) 1.25 m
 B) 1.50 m
 C) 1.75 m
 D) 2.00 m

 99. Minimum area of bathroom with water closet
 A) 2.1 m2
 B) 2.25 m2
 C) 2.5 m2
 D) 2.65 m2

 100. Minimum width of tread without nosing in residential building is
 A) 22.50 cm
 B) 25.00 cm
 C) 20.00 cm
 D) 30.00 cm

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