Question 1

Closed contours, with higher value inwards, represent a
A)depression
B)hillock
C)plain surface
D)none of the above

Accepted Answer

Closed contours with higher values inwards indicate an elevation, such as a hillock or a mountain, as the values represent increasing height.

Question 2

Contour interval is
A)the vertical distance between two con-secutive contours
B)the horizontal distance between two consecutive contours
C)the vertical distance between two points on same contour
D)the horizontal distance between two points on same contour

Accepted Answer

The contour interval is the vertical distance between two consecutive contour lines on a map, indicating the difference in elevation between those lines.

Question 3

Benchmark is established by
A)hypsometry
B)barometric levelling
C)spirit levelling
D)trigonometrical levelling

Accepted Answer

A benchmark is established through spirit levelling, which is a method used to determine the elevation of points or to establish points at a specific elevation. This process involves using a spirit level and a sight rod to measure differences in height between points.

Question 4

The type of surveying which requires least office work is
A)tacheomefry
B)trigonometrical levelling
C)plane table surveying
D)theodolite surveying

Accepted Answer

Plane table surveying involves direct plotting of survey data on the field, minimizing the need for extensive office work.

Question 5

Intersection method of detailed plotting is most suitable for
A)forests
B)urban areas
C)hilly areas
D)plains

Accepted Answer

The answer of Intersection method of detailed plotting is most...

Question 6

Detailed plotting is generally done by
A)radiation
B)traversing
C)resection
D)all of the above

Accepted Answer

The answer of Detailed plotting is generally done by
A)radiation
B)traversing
C)resection
D)all of...

Question 7

Three point problem can be solved by
A)Tracing paper method
B)Bessels method
C)Lehman's method
D)all of the above

Accepted Answer

The three-point problem, which is a common problem in geology and surveying for determining the orientation of a plane, can be solved using various methods including the tracing paper method, Bessel's method, and Lehmann's method. Each of these methods offers a different approach to solving the problem, but all are valid and applicable depending on the specific circumstances and available tools.

Question 8

The size of a plane table is
A)75mm x 90 mm
B)60 mm x 75mm
C)45mm x 60 mm
D)30 mm x 45mm

Accepted Answer

The answer of The size of a plane table is
A)75mm...

Question 9

The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
A)radiation
B)intersection
C)resection
D)traversing

Accepted Answer

Resection is the method used in surveying to determine the position of an observer (instrument station) by taking bearings from this unknown point to at least two known points. This process involves drawing lines back (resecting) from the known points to the observer's location.

Question 10

The instrument used for accurate centering in plane table survey is
A)spirit level
B)alidade
C)plumbing fork
D)trough compass

Accepted Answer

The plumbing fork is used for accurate centering in plane table surveying by ensuring the table is directly over a ground point.

Question 11

The two point problem and three point problem are methods of
A)resection
B)orientation
C)traversing
D)resection and orientation

Accepted Answer

The two point problem and three point problem are methods used in both resection and orientation in surveying to determine the position of a point by sighting two or three known points, respectively.

Question 12

The resection by two point problem as compared to three point problem
A)gives more accurate problem
B)takes less time
C)requires more labour
D)none of the above

Accepted Answer

The answer of The resection by two point problem as...

Question 13

The methods used for locating the plane table stations are
i. radiation
ii. traversing
iii. intersection
iv. resection
The correct answer is
A)(i) and (ii)
B)(iii) and (iv)
C)(ii) and (iv)
D)(i) and (iii)

Accepted Answer

Radiation and intersection methods are not used for locating plane table stations.

Question 14

After fixing the plane table to the tripod, the main operations which are needed at each plane table station are
i. levelling
ii. orientation
iii. centering
The correct sequence of these operations is
A)(i), (ii),.(iii)
B)(i), (iii), (ii)
C)(iii), (i), (ii)
D)(ii), (Hi), (i)

Accepted Answer

The answer of After fixing the plane table to the...

Question 15

90°Bowditch rule is applied to
A)an open traverse for graphical adjustment
B)a closed traverse for adjustment of closing error
C)determine the effect of local attraction
D)none of the above

Accepted Answer

The 90° Bowditch rule is applied to a closed traverse for the adjustment of closing errors. This rule, also known as the compass rule, is used to distribute the errors in a traverse due to angular and linear measurements proportionally over the entire traverse to adjust the traverse legs and angles.

Question 16

If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the
A)NE quadrant
B)SE quadrant
C)NW quadrant
D)SW quadrant

Accepted Answer

The answer of If in a closed traverse, the sum...

Question 17

If the reduced bearing of a line AB is N°W and length is 100 m, then the latitude and departure respectively of the line AB will be
A)+50°m, +86.6 m
B)+86.6 m, -50°m
C)+50°, -86.6 m
D)+70.7 m,-50°m

Accepted Answer

The reduced bearing N°W indicates a bearing in the northwest direction. The latitude (north-south component) is positive, and the departure (east-west component) is negative. Using trigonometry, the latitude is 100 * cos(30°) = +86.6 m, and the departure is 100 * sin(30°) = -50 m.

Question 18

The angle between the prolongation of the preceding line and the forward line of a traverse is called
A)deflection angle
B)included angle
C)direct angle
D)none of the above

Accepted Answer

The angle between the prolongation of the preceding line and the forward line of a traverse is known as the deflection angle. This angle is used in surveying to describe the deviation of the path from one line segment to the next.

Question 19

Transit rule of adjusting the consecutive coordinates of a traverse is used where
A)linear and angular measurements of the traverse are of equal accuracy
B)angular measurements are more accurate than linear measurements
C)linear measurements are more accurate than angular measurements
D)all of the above

Accepted Answer

Angular measurements are more accurate than linear measurements in a traverse, so the transit rule of adjusting the consecutive coordinates is used to minimize the effect of linear measurement errors on the overall accuracy of the traverse.

Question 20

Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations ?
A)measuring angle and distance from one transit station
B)measuring angles to the point from at least two stations
C)measuring angle at one station and distance from other
D)measuring distance from two points on traverse line

Accepted Answer

Measuring angles to a point from at least two stations, a method known as triangulation, is suitable for locating details that are far away from transit stations. This method allows for the accurate determination of the position of distant points by using the principles of trigonometry.

Quiz 5: Surveying and Mapping Techniques: Part A

Closed contours, with higher value inwards, represent a

Contour interval is

Benchmark is established by

The type of surveying which requires least office work is

Intersection method of detailed plotting is most suitable for

Detailed plotting is generally done by

Three point problem can be solved by

The size of a plane table is

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

The instrument used for accurate centering in plane table survey is

The two point problem and three point problem are methods of

The resection by two point problem as compared to three point problem

The methods used for locating the plane table stations are i. radiation ii. traversing iii. intersection iv. resection The correct answer is

After fixing the plane table to the tripod, the main operations which are needed at each plane table station are i. levelling ii. orientation iii. centering The correct sequence of these operations is

90°Bowditch rule is applied to

If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the

If the reduced bearing of a line AB is N°W and length is 100 m, then the latitude and departure respectively of the line AB will be

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

Transit rule of adjusting the consecutive coordinates of a traverse is used where

Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations ?