1482017 اا |

54.

55.

56.

57.

58.

59.

60.

The length of a line measured with a 20 m chain was found to be 634.4 m. If the chain
was 5 cm too long throughout the measurement, then the true length of the line is

ಹಿ) 632,420 ಗ 8) 635.986 7

0) 70 0) 634.425 ೧

In a plane table survey the plotting of inaccessible points can be done by
A) Method of intersection B) Method of interpolation
C) Method of radiation D) Method of traversing

The most reliable method of plotting a theodolite traverse, is

A) By consecutive co-ordinates of each station

8) independent co-ordinates of each station

C) By plotting included angles and scaling off each traverse leg
D) By the tangent method of plotting

In quadrantal bearing system a line is said to be free from local attraction, if the FB and
BB are having the following relation

A) Numerically equal

B) Numerically unequal

C) Numerically equal with opposite quadrants

0) 68 = 88 + 90°

The operation of levelling to determine the elevation between two points is known 5
A) Differential levelling B) Hypsometry
C) Barometric levelling D) Check levelling

The systematic errors which persist and have regular effects in the performance of a
survey operation, are due to

A) Carelessness B) Inattention

C) Faully instrument D) Lack of knowledge

Remote sensing techniques are being usefully employed for the purpose of
A) improving natural resource management

B) land use

C) protection of the environment

D) all the above