Sub Overseer Free Online Exam March 19, 2020March 20, 2020 helloloksewa Online Exam, Sub Overseer Online Exam Name Email Phone Number लोक सेवा आयोग राजपत्र अनंकित द्वितीय श्रेणी, इन्जिनियरिंग सेवा, सिविल समुह अन्तर्गतका जेनरल, हाईवे, स्यानिटरी, ईरिगेशन, हाइड्रोपावर, हाईड्रोलोजी र एयरपोर्ट उपसमुहको प्रतियोगितात्मक लिखित परिक्षा (Shining Star Institute Model Question)1.The survey which is carried out for determining absolute locations and the direction of any line on the surface of the earth by making observation to heavenly bodies is called hydrographic surveyastronomical surveyland surveynone of above 2.Find the R.F.of 1mm = 0.1m1:101:1001:10001:10000 3.Which of the following scale is the smallest one question!1 cm = 10 m1 cm = 100m1 cm = 1000m1 cm = 10000m 4.The longest chain line passing through the centre of the area is known asbase linetie linecheck lineall of the above 5. Handles of chains are made ofnickelsteelcopperbrass 6.Permanent adjustment are carried out toset up of the levelestablish a fixed relationship between its fundamental axisfocus the eye piecefocus the objective 7. Levelling across a river is done byfly levellingreciprocal levelingtrigonometric levellingcross levelling 8.The imaginary line passing through the intersection of cross hairs and the optical centre of the object is known asline of sightline of axisline of collimationaxis of the telescope 9.The vertical distance between any two consecutive contours is known ascontour linecontour intervalhorizontal equivalentcontour gradient 10.Two contour lines, having the same elevationcan't cross each othercan cross each othercan't unite togethercan unite together 11.The observed reading on a levelling staff was 3.545 m. If the staff was 0.15m off from the original3.695m3.548m3.395mall of above 12.The place where reading is taken is known aslevelgroundstationall of above 13.Well-conditioned triangle have an angle between30° & 60°30° & 90°30° & 120°30° & 180° 14.In chain survey execution, the first step taken isreconnaissancemarking stationrunning survey linereference sketches 15.A discrepancy is the difference betweentrue value and errormeasured value and actual valuetwo measured values of the same quantitynone of above 16.The type of error which are of cumulative nature and can be corrected is known aspermissible errorresidual errorexpected errorsystematic error 17.A chain 33 feet long and consisting of 16 links is calledEngineer's chainGunter's chainMetric chainRevenue chain 18. Normal tension is that pull whichneutralizes the effect due to pull and sagmakes sag correction zeromakes pull correction zeronone of above 19. The sag correction is alwayspositivenegativezeronone of above 20.Area of triangle joining three corner points in comparision to the circle joining same three points is:always greateralways lessalways equalnone of above 21. A 30m chain was found to be 10cm too long after chaining 1500 m. The correct length of the total distance chained will be1495m1500m1505m1510m 22.A Chain is made up of mild steel or galvanized iron wire of diameter1mm2mm3mm4mm 23.Obstacle to ranging but not chaining isriverbuildinghillpond 24.Due to curvature of earth, the object lookshigher than really they arelower than really they areat real heightall of above 25. The isometric projection of a sphere is aCircleElllipseparabolahyperbola 26.Free hand sketch is normally used forconceptfinaldiscussionnone of above 27. When a pyramid or cone is cut by cutting plane parallel to its base, the remaining portion thus obtained after removing the top is called ……….truncatedfrustumprismcylinder 28.The internal angle of regular hexagon is72 degree108 degree120 degree150 degree 29.The following are the solids of revolution exceptprismsphereconecylinder 30.The dimension line is generally :a thin line and broken at the middlea thick line and broken at the middlea thick line and solid at middlea thin line and continuous at middle 31.In italic lettering, the direction of letters is at:60⁰90⁰75⁰120⁰ 32.The section obtained when the section plane is inclined to the axis of cone and cuts all generators on either side of the apex, is called ………..ellipseparabolahyperbolacircle 33.In case of orthographic projection, the number of view generally used are2468 34.Perspective projection is used to representreal exact size of objectreal exact shape of objectnatural view of the objectall of above 35.The isometric axis are inclined at ………… degree to each other.30⁰60⁰90⁰120⁰ 36.The three phase system uses voltage upto110 V230 V415 V650 V Your new question! 37.Which of the following quantities consists of SI unit as watt?forcechargecurrentpower 38. Harmful bacteria are calledparasitesanaerobic bacteriaaerobic bacteriapathogens 39.Baffle wall in septic tank isshort side walllong side wallhoneycomb inter wallnone of above 40.Grit isinert matter of sp gr.> 2.65organic matter of sp. gr. nearer to 1organic and inert matter combinedcolloidal matter of heavy sp. gr 41.Most suitable section of sewer in separate sewage system iscircular sectionrectangular sectionegg shaped sectionhorse-shoe type section 42.Sanitary sewage containsdomestic sewageindustrial sewageboth a and bnone of above 43.Which one is water borne disease?malariacancerdysenteryencephalitis 44.. The water supply demand in a day school without boarder should be10 lpcd20 lpcd30 lpcd40 lpcd 45.R.M.O meansrunningmaintenanceoperationall of above 46.An aquiclude isnon-artesian aquiferlarge underground water bodyconfined bed of impervious material between aquiferartesian auifer 47.Inert material of cement concrete mix iswatercementaggregateall of above 48. Flash setting of cement meanshydration of cementhardening of cementstiffening of cement without strength developmentall of above 49.The red colour of the brick is due toiron oxidesilicamagnesiaalumina 50. Swelling of bricks is known aschuffslaminationefflorescencebloating Time is Up!