Survey Test 2

Question 1
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Identify the Incorrect statement.

A
Errors arising due to expansion in steel tapes are systematic errors which are cumulative in nature.

B
Random errors are mainly caused by limitations of observer and instrument.

C
Cumulative errors seriously affect the accuracy of the work and are proportional to the square root of the length of line.

D
Compensating errors do not affect the surveying work seriously and are proportional to square root of the length of line.

Question 2
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If a line originally 5 cm has shrunk to 4.5 cm,Determine the shrinkage factor and the correct area corresponding to a measured area of 400 m²

A
Shrinkage factor = 0.9

B
Correct area = 324.64 m²

C
Shrinkage factor = 1.11

D
Correct area = 493.83 m²

Question 3
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A 30 m tape was suspended between the ends under a pull of 300 N. The weight of the tape is 50 N. The correct distance between the ends is ________m.

A
29.9-30

B
29.94-301

C
29.97-306

D
29.99-302

Question 4
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A horizontal collimation test is performed on an automatic level following the prescribed standard procedure. With the instrument at point A, the reading of the rod at A was 1.870 meters and to B was 1.970 meters. After moving and leveling the instrument at B, the rod reading at B and A was found to be 1.850 and 1.770 respectively. What is the collimation error (measured in meters, up to two decimal places) of the instrument?

A
0.01-0.01

B
0.014-0.011

C
0.017-0.016

D
0.019-0.012

Question 5
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In tangential method of tacheometry:

A
The diaphragm of the tacheometer is not provided with Stadia hair

B
The distance between the Stadia hairs is fixed

C
The distance between the Stadia hairs is not fixed

D
None of the above

Question 6
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The cross-section areas of three sections of an embankment at an interval of 40 m are 10 square metres, 15 square metres and 35 square metres. Calculate the quantity of earthwork for the embankment. Use the prismoidal method.

A
1200 cu m

B
1400 cu m

C
1500 cu m

D
2400 cu m

Question 7
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The _______ is where the plumb line dropped from the nodal point pierces the photograph.

A
principal point

B
flight line

C
nadir point

D
flying height

Question 8
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Two straight lines deviate at an angle of 60 degrees. The radius of a curve joining the two straight lines is 600 m. The length of long chord and mid ordinates in meters of the curve are.

A
Length of long chord = 1039.2 m

B
Length of mid ordinate = 300 m

C
Length of long chord = 600 m

D
Length of mid ordinate = 80.38 m

Question 9
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Assume the observed angles of a certain plane triangle and their relative weights are tabulated below:
Vertex
Angle
Weight of measurement
A
49°52’30’’
1
B
60°30’55’’
2
C
66°36’35’’
3
Calculate the mean angular measurement of angle C of the triangle.

A
67°09’19’’

B
67°19’09'’

C
67°36’35’’

D
68°14’46’’

Question 10
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A steel tape was exactly 30 m long at 20°C and under standard pull of 10 kg. A line was measured with this tape under a pull of 15 kg and at a mean temperature of 35°C and found to be 600 m. The cross sectional area of the tape is 0.03 cm² and ∝ for steel = 12 × 10^-6 per °C. E for steel = 2 × 10⁶ kg/cm². Compute the true length of the line in m?

A
600.15-600.16

B
600.154-600.161

C
600.157-600.166

D
600.159-600.162

Question 11
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Match List – I with List – II and select the correct answer using the codes given below the lists:
List – I
A. Reciprocal levelling
B. Trigonometrical levelling
C. Hypsometry
D. Profile levelling
List – II
1. Involves measuring of horizontal distance and vertical angles in field
2. Involves the principle of boiling point of water variation with altitude
3. Involves observing elevations of a number of points along the centre line and their distance along it
4. Involves the principal of two peg test.

A
A-4, B-1, C-2, D-3

B
A-4, B-2, C-3, D-1

C
A-4, B-1, C-3, D-2

D
A-1, B-2, C-3, D-4

Question 12
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Consider a closed traverse having following length and bearing.
Line
Length
Bearing
PQ
150 m
N 45° E
QR
X
S 25° E
RS
75 m
S 15° W
SP
225 m
Y

The missing values x and y are:

A
x = 21.12 m, y = S 25.70° W

B
x = 10 m, y = N 25.70° W

C
x = 200 m, y = S 45° W

D
x = 75 m, y = N 45° E

Question 13
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The length and bearings of a closed traverse PQRSP are given below -
Line
Length (m)
Bearing (WCB)
PQ
200
0°
QR
1000
45°
RS
907
180°
SP
?
?

The missing length & bearing respectively of the side SP are –

A
207 m and 270°

B
707 m and 270°

C
707 m and 180°

D
907 m and 270°

Question 14
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The readings taken with a tachometer with the line of sight horizontal with the staff in vertical position are as follows:
0.85
1.3
1.75

The value of k and c is 100 and 0.2 m respectively. The RL of the instrument station is 102.67 m and the height of trunnion axis is 1.5 m. Choose the correct options with regards to the above data:

A
The horizontal distance of the staff is 90.2 m

B
The RL of staff station is 104.17 m.

C
The RL of line of collimation is 104.17 m.

D
The RL of staff station is 102.87 m.

Question 15
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The photo coordinates of images a and b of two ground points A and B are x_a = +50 mm, y_a = +40 mm, x_b = -60 mm, y_b = -90 mm. The elevations of point A and B are 300 m and 400 m respectively. If the ground level coordinate X_A is 400 m, then choose the correct options out of the following: (consider f = 150 mm)

A
The horizontal length of line AB in the ground is 1291 m.

B
The ground X coordinate of point B is - 440 m.

C
The ground Y coordinate of point A is 320 m.

D
The horizontal length of line AB in the ground is 1353 m.

Question 16
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An aircraft is flying at a speed of 240 kmph with respect to ground, is required to cover an area 31 km × 10 km. The scale is 1 in 50000 and the format is 250 mm × 250 mm. If longitudinal overlap and side overlap is 50% and 30% respectively, then choose the incorrect options:

A
The number of photographs required is 182.

B
The time interval between exposures is 18.75 sec.

C
The number of photographs required is 150.

D
The time interval between exposures is 22.50 sec.

Submit Test

Vertex	Angle	Weight of measurement
A	49°52’30’’	1
B	60°30’55’’	2
C	66°36’35’’	3

Line	Length	Bearing
PQ	150 m	N 45° E
QR	X	S 25° E
RS	75 m	S 15° W
SP	225 m	Y

Line	Length (m)	Bearing (WCB)
PQ	200	0°
QR	1000	45°
RS	907	180°
SP	?	?

Survey Test 2...

Question 1

Errors arising due to expansion in steel tapes are systematic errors which are cumulative in nature.

Random errors are mainly caused by limitations of observer and instrument.

Cumulative errors seriously affect the accuracy of the work and are proportional to the square root of the length of line.

Compensating errors do not affect the surveying work seriously and are proportional to square root of the length of line.

Question 2

Shrinkage factor = 0.9

Correct area = 324.64 m2

Shrinkage factor = 1.11

Correct area = 493.83 m2

Question 3

29.9-30

29.94-301

29.97-306

29.99-302

Question 4

0.01-0.01

0.014-0.011

0.017-0.016

0.019-0.012

Question 5

The diaphragm of the tacheometer is not provided with Stadia hair

The distance between the Stadia hairs is fixed

The distance between the Stadia hairs is not fixed

None of the above

Question 6

1200 cu m

1400 cu m

1500 cu m

2400 cu m

Question 7

principal point

flight line

nadir point

flying height

Question 8

Length of long chord = 1039.2 m

Length of mid ordinate = 300 m

Length of long chord = 600 m

Length of mid ordinate = 80.38 m

Question 9

67°09’19’’

67°19’09'’

67°36’35’’

68°14’46’’

Question 10

600.15-600.16

600.154-600.161

600.157-600.166

600.159-600.162

Question 11

A-4, B-1, C-2, D-3

A-4, B-2, C-3, D-1

A-4, B-1, C-3, D-2

A-1, B-2, C-3, D-4

Question 12

x = 21.12 m, y = S 25.70° W

x = 10 m, y = N 25.70° W

x = 200 m, y = S 45° W

x = 75 m, y = N 45° E

Question 13

207 m and 270°

707 m and 270°

707 m and 180°

907 m and 270°

Question 14

The horizontal distance of the staff is 90.2 m

The RL of staff station is 104.17 m.

The RL of line of collimation is 104.17 m.

The RL of staff station is 102.87 m.

Question 15

The horizontal length of line AB in the ground is 1291 m.

The ground X coordinate of point B is - 440 m.

The ground Y coordinate of point A is 320 m.

The horizontal length of line AB in the ground is 1353 m.

Question 16

The number of photographs required is 182.

The time interval between exposures is 18.75 sec.

The number of photographs required is 150.

Correct area = 324.64 m²

Correct area = 493.83 m²