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Q1. | Detailed plotting is generally done by |

A. | radiation [Correct Answer] |

B. | traversing [Wrong Answer] |

C. | resection [Wrong Answer] |

D. | all of the above [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :Amjad Ali Said on 2020-02-15 16:11:43Generally the radiation and intersection methods are the detailed plotting methods Mudassar Nazir Said on 2019-10-07 06:40:30Plotting is done by radiation method and angular measurements are found by techometry Himendra Katakwar Said on 2019-02-28 19:51:56Plz explained it.. !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Which of the following introduces an error of about 1 in 1000 if 20 m chain is used.

length of chain 20 mm wrong

one end of the chain 0.9 m off the line

one end of chain 0.9 m higher than the other

all the above.

⇒ For preparation of a contour plan for a route survey.

method of squares is used

method of trace contour is used

method of cross profile is used

indirect method of contouring is used.

⇒ If

*D*is the degree of the curve of radius

*R*, the exact length of its specified chord, is.

radius of the curve x sine of half the degree

diameter of the curve x sine of half the degree

diameter of the curve x cosine of half the degree

diameter of the curve x tangent of half the degree.

⇒ Pick up the correct statement from the following :

The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass

the imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines

the isogonic lines through places at which the declination is zero are termed agonic lines

all the above.

⇒ A triangle is said to be well conditioned if none of its angles is less than

20°

30°

45°

60°

⇒ Diopter is the power of a lens having a focal length of.

25 cm

50 cm

75 cm

125 cm

⇒ Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to.

14.14

28.28 m

200 m

none of these.

⇒ The accuracy of measurement in chain surveying, does not depend upon.

length of the offset

scale of the plotting

importance of the features

general layout of the chain lines.

⇒ Magnetic meridian and true meridian are

Always parallel

Parallel at the equator

Parallel near the poles

Never parallel

⇒ Pick up the correct statement from the following :

A level surface is perpendicular at all points to the direction of gravity

A level line lies in level surface

A horizontal surface is normal to the direction of gravity at only one point

All the above.

⇒ The bearing of line

*AB*is 152° 30' and angle

*ABC*measured clockwise is 124° 28'. The bearing of

*BC*is.

27Â° 52'

96Â° 58'

148Â° 08'

186Â° 58'

⇒ Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves.

embankment on the centre line

excavation on the centre line

earth work on the centre line

none of these.

⇒ The method generally preferred to for contouring an undulating area, is.

chain surveying

plane table surveying

tacheometrical surveying

compass surveying.

⇒ For a well-conditioned triangle, no angle should be less than

20°

30°

45°

60°

⇒ The construction of optical square is based, on the principle of optical.

reflection

refraction

double refraction

double reflection.

⇒ The bearings of the lines

*AB*and

*BC*are 146° 30' and 68° 30'. The included angle

*ABC*is.

102Â°

78Â°

45Â°

none of these.

⇒ In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to.

line of sight

line of collimation

axis of the telescope

None of these.

⇒ The angle of intersection of a contour and a ridge line, is.

30Â°

45Â°

60Â°

90Â°.

⇒ The difference between a level line and a horizontal line is that

level line is a curved line while hori-zontal line is a straight line

level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line

horizontal line is normal to plumb line while level line may not be normal to the plumb line

both are same

⇒ If the length of a chain is found to be short on testing, it can be adjusted by

straightening the links

removing one or more small circular rings

closing the joints of the rings if opened out

all of the above

⇒ The horizontal angle between true meridian and magnetic meridian, is known.

bearing

magnetic declination

dip

convergence.

⇒ Benchmark is established by

hypsometry

barometric levelling

spirit levelling

trigonometrical levelling

⇒ The difference between the included angle and 180°.

vision gets obstructed

chaining gets obstructed

both vision and chaining get obstructed

all the above.

⇒ The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is.

21Â° 45'

42Â° 15'

42Â° 15' W

21Â° 45' W

⇒ In levelling operation.

if second reading is more than first, it represents a rise

if first reading is more than second, it represents a rise

if first reading is less than second, it represents a fall

both (b) and (c).

⇒ Number of links per metre length of a chain are.

2

5

8

10

⇒ If n is the number of sides then the total sum of exterior angles of a closed traverse should be

n + 2

2n - 4

2n + 4

4n - 2

⇒ Pick up the correct statement from the following :

the diaphragm is placed between eyepiece and the objective but nearer to the former

the diaphragm is placed between the eyepiece and objective but nearer to the later

the outer component of the objective is a double-convex lens of crown glass

all the above.

⇒ In tangential tacheometry, an ordinary level staff is used.

leaning towards the instrument for inclined sights upward

leaning away from the instrument for inclined sights downwards

vertical in all cases

none of these.

⇒ Straight, parallel and widely spaced contours represent.

a steep surface

a flat surface

an inclined plane surface

curved surface.