The process of rotating the telescope of a theodolite in a horizontal plane is known as
1.swinging
2.transiting
3.plunging
4.any of the above
A building is an obstacle to A building is an obstacle to
1. neither chaining nor ranging
2.chaining but not ranging
3. ranging but not chaining
4. both chaining and ranging
Agonic line is the line joining points having
1.same declination
2.zero declination
3.minimum declination
4.maximum declination
An ideal vertical curve to join two gradients is
1.hyperbolic
2.elliptical
3.parabolic
4.circular
Contour interval selected is
1.directly proportional to time and fund available
2.directly proportional to flatness of ground
3.larger if the purpose of contouring is for earthwork calculation
4.inversely proportional to the scale of map
Contour maps are useful for
1. calculation of reservoir capacity
2.determining intervisibility between two points
3.determining catchment area
4.all the above
Cross staff is an instrument used for
1.measuring bearings of the lines
2.measuring approximate horizontal angles
3.setting out right angles
4.none of the above
Electromagnetic distance measurements instruments are
1. microwave instruments
2.visible light instruments
3. infrared instruments
4. any of the above
For hilly region the ideal method of contouring is
1.radial line method
2.method of squares
3.direct method
4.cross section method
For the construction of highway (or railway)
1.axis of the telescope
2.line of straight
3.line of collimation
4.none of these
Hydrographic surveys deals with the mapping of
1.canal system
2.large water bodies
3.heavenly bodies
4.mountaineous region
In a diagonal scale only
1.units, tenths and hundredths can be shown
2.units, tenths, hundredths and thousands can be shown
3.units can be shown
4.units, tenths can be shown
In a reverse curve, the super elevation provided at the point of reverse curvature is
1.depends upon the elements of curve
2. maximum
3.minimum
4.zero
In chain survey, as far as possible main triangles should have angles close to
1.30°
2.40°
3.50°
4.60°
In chain surveying field work is limited to
1.angular measurements only
2.linear measurements only
3.both linear and angular measurements
4. all the above
In geodetic survey higher accuracy is achieved, if
1.angles between the curved lines are treated as plane angles
2.curvature of the earth surface is ignored
3.curvature of the earth surface is taken into account
4.none of these
In India mean sea level used for fixing reduced levels is at
1.Vishakapatnam
2.1066 AD
3.Mumbai
4.Goa
In surveying principle "work from whole to part is recommeded" since
1. it localizes errors
2. it leads to errorless maps
3. there is no chance of omitting any required measurement
4.it is easy to use measurements for plotting
Spire test is to check the following permanent adjustment of theodolite
1.the axis of altitude level is parallel to the line of sight
2.the line of sight coincide with the optical axis of the telescope
3.horizontal axis is perpendicular to vertical axis
4.plate level axis is perpendicular to vertical axis
Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details are known as
1. plane surveys
2.topographical surveys
3.guide map surveys
4.cadastral survey
Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known as
1.topographical surveys
2. geographical surveys
3.geodetic surveys
4. plane surveys
telescope at the end nearer the eye piece (C) telescope tube at its mid point (D) eye piece
1. is always greater than true bearing
2.varies differently in different months of the year
3. changes systematically
4.remains constant
The chaining on sloping ground is
1. equally convenient along falling as well as up gradient
2.easier along the falling gradient
3. easier along the up gradient
4.all the above
The headquarters of Survey of India is located at
1. Dehradun
2.Manali
3.Mumbai
4.New Delhi
The horizontal angle between the true meridian and magnetic meridian is known as
1. magnetic bearing
2.magnetic dip
3.local attraction
4.declination
The horizontal angle between true meridian and magnetic meridian is known
1. magnetic declination
2.convergence
3.bearing
4.dip
The instrument used for reducing a plan is known as
1.pantograph
2.sextant
3.clinometers
4.panimeter
The invar tape is made up of alloy of
1. nickel and steel
2.brass and steel
3.brass and nickel
4.copper and steel
The least count of a vernier scale is
1.value of one division of the primary scale divided by total number of divisions of vernier scale
2.value of one division of vernier scale divided by total number of divisions of primary scale
3.sum of the smallest divisions of main and vernier scales
4.none of these
The line to be measured accurately in a chain survey is
1.base line
2.check line
3.detail line
4.main line
The main principle of surveying is to work
1.from lower level to higher level
2.from higher level to the lower level
3.from whole to the part
4.from part to the whole
The method generally preferred to for contouring an undulating area is
1. compass surveying
2.chain surveying
3.plane table surveying
4.tacheometrical surveying
The minor instrument used not only to take horizontal sights but also inclined sights are known as
1. planimeter
2.pantograph
3.sextant
4.clinometers
The point on which both foresight and back sights are taken is
1. change point
2. first station point in the traverse
3. the point where level is to be set
4. last station point in a traverse
The process of turning the telescope through 180° in vertical plane is known as
1.reversing
2.transiting
3.plunging
4.any one of the above
The survey in which earth's curvature is considered is known as
1.geodetic surveying
2.topographic surveying
3.trigonometric surveying
4.plane surveying
To apply Simpson's rule for computation of irregular area, number of segments should be
1.may be of varying width also
2.may be even or odd
3.of equal width and even number
4. of equal width and odd number
Total station is
1. electronic distance meter
2. integration of all the above
3.electronic theodolite
4.microprocessor electronic data collector
Trigonometric leveling is used when
1.base of the object is not accessible
2.base of the object is accessible
3.in both the above two cases
4.in none of the above two cases
Two theodolite method of setting out a curve involves
1.angular measurements only
2. lnear measurements only
3.both angular and linear measurement
4.none of the above
Which one of the following is not a method of plane tabling?
1. resection
2.intersection
3.radiation
4.orientation
Which one of the following is not a transition curve?
1. sag curve
2. bermalli’s leminiscale
3.cubic parabola
4. cubic spiral
Which one of the following is not an accessory of plane table?
1.prismatic compass
2. telescopic alidade
3. trough compass
4.plumbing fork
Which one of the following is not used in setting perpendicular
1.prism square
2.optical square
3.line ranges
4.cross staff
Which one of the following is wrong about level surface?
1.it is normal to plumb line at all points
2.it is a surface parallel to mean spheroid of earth
3.it is a horizontal plane
4.all the points lying on this surface are equidistant from the centre of the earth