Survey Test 2...

Identify the Incorrect statement.

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 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.

In order to measure the magnetic bearing of a line, the theodolite should be provided with ______.

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?

Closed contours, with higher value inwards, represent a

In tangential method of tacheometry:

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.

If L is the perimeter of a closed traverse, ΔD is the closing error in departure, the correction for the departure of a traverse side of length l, according to Bowditch rule, is

If arithmetic sum of latitudes of a closed traverse is ∑Lat and closing error in latitude is dx, the correction for a side whose latitude is l, as given by Transit Rule, is

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

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.

In a closed traverse, the sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures. The closing line will lie in the

Assume the observed angles of a certain plane triangle and their relative weights are tabulated below:

Calculate the mean angular measurement of angle C of the triangle.

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?

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.

Consider a closed traverse having following length and bearing.

The length and bearings of a closed traverse PQRSP are given below -

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

The direction of the magnetic meridian is established at each traverse station and the direction of the line is determined with reference to the magnetic meridian. This method of traversing is called

The readings taken with a tachometer with the line of sight horizontal with the staff in vertical position are as follows:

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:

Which one of the following figures indicates the principle of traversing?

If L is the perimeter of a closed traverse, ΔD is the closing error in departure, the correction for the departure of a traverse side of length L₁, according to Bowditch rule, is

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)

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:

Two parallel railway lines are to be connected by a reverse curve, each section having the same radius. If the lines are 12 m apart and the maximum distance between tangent points measured parallel to the straights is 48 m, then the maximum allowable radius will be