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Q1. | For preparation of a contour plan for a route survey. |

A. | method of squares is used [Wrong Answer] |

B. | method of trace contour is used [Wrong Answer] |

C. | method of cross profile is used [Correct Answer] |

D. | indirect method of contouring is used. [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :Himanshu Gupta Said on 2019-06-28 01:40:13keyword 'route survey'. hence cross sections at suitable intervals will be use. hence the answer is 'method of cross profile is used'. !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ In setting up a plane table at any station.

levelling is done first

centering is done first

both levelling and centering are done simultaneously

orientation is done first.

⇒ The direction of a line relative to a given median is called

Angular direction

Bearing

Deviation

Inclination

⇒ The latitude of a traverse leg is obtained by multiplying its length by.

tangent of its reduced bearing

sign of its reduced bearing

cosine of its reduced bearing

cosecant of its reduced bearing.

⇒ The position of point can be fixed more accurately by

Perpendicular offset

Optical square

Prism square

Oblique offsets

⇒ The total change in level along the line is equal to total back sights.

minus total fore sights

the total rises minus total falls

the reduced level of last point minus reduced level of the first point

all the above.

⇒ The power of a lens.

is reciprocal of its focal length

is positive if it is a convex lens

is negative if it is a concave lens

is measured in diopter.

⇒ The angle between the prolongation of the preceding line and the forward line of a traverse is called

deflection angle

included angle

direct angle

none of the above

⇒ While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is.

correctly focussed

not correctly focussed

not correctly focussed

free from parallax.

⇒ If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by.

taking short legs

making repeated observations of angular and linear measurements

making a subsidiary traverse to determine the length of a long leg

all the above.

⇒ The length of an engineer's chain should be

100 ft.

60 ft.

30m

20m

⇒ The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called

radiation

intersection

resection

traversing

⇒ During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is

4 chains

6 chains

120 m

180m

⇒ A clinometer is used for.

measuring angle of slope

correcting line of collimation

setting out right angles

defining natural features.

⇒ The intercept of a staff.

is maximum if the staff is held truly normal to the line of sight.

is minimum if the staff is held truly normal to the line of sight.

decreases if the staff is tilted away from normal

increases if the staff is tilted towards normal.

⇒ If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for.

horizontal sights

inclined sights upward

inclined sight downward

none of these.

⇒ For true difference in elevations between two points

*A*and

*B*, the level must be set up.

at any point between A and B

at the exact mid point of A and B

near the point A

near the point B.

⇒ In a plane table survey the plotting of inaccessible points can be conveniently done by

Method of interpolation

Method of radiation

Method of traversing.

Method of intersection

⇒ In a plane table survey the method used for locating details is

Resection

Resection

Intersection

(A) or (B) above

⇒ For which of the following permanent adjustments of theodolite, the spire test is used ?

adjustment of plate levels

adjustment of line of sight

adjustment of horizontal axis

adjustment of altitude bubble and vertical index frame

⇒ The apparent error on reversal is.

equal to the actual error

twice the actual error

thrice the actual error

none of these.

⇒ An offset more than 15m in length is known as

Long offset

Short offset

Oblique offset

Right-angled offset

⇒ Cross-staff is used for.

setting out right angles

measuring contour gradient

taking levels

measuring distances

⇒ Imaginary line passing through points having equal magnetic declination is termed as.

isogon

agonic line

isoclinic line

none of these.

⇒ The best method of interpolation of contours, is by.

estimation

graphical means

computation

all of these.

⇒ A telescope is said to be inverted if its

vertical circle is to its right and the bubble of the telescope is down

vertical circle is to its right and the bubble of the telescope is up

vertical circle is to its left and the bubble of the telescope is down

vertical circle is to its left and the bubble of the telescope is up

⇒ Generally while chaining the arrow which accompany with one chain must be

2 Nos

5 Nos

10 Nos

12 Nos

⇒ The slope correction for a length of 30 m along a gradient of 1 in 20, is

3.75 cm

0.375 cm

37.5 cm

2.75 cm.

⇒ The limiting length of an offset does not depend upon.

accuracy of the work

method of setting out perpendiculars

scale of plotting

indefinite features to be surveyed.

⇒ Permanent adjustments of a level are.

2 in number

3 in number

4 in number

5 in number

⇒ He difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to.

the distance between the zero of gradient and the foot of the staff

twice the distance between the zero of graduation and the foot of the staff

thrice the distance between the zero of graduation and the foot of the staff

none of the above.