0° Longitude

While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is

said to have parallax

What is a geodetic datum?

The set of parameters that define the size and shape of the earth and the origin of coordinate systems that describe positions on the earth

Which of the following is not true of meridians of longitude?

Always begin with the Prime Meridian through Greenwich, England

Which of the following is not true of parallels of latitude?

Always meet at the poles

Which of the following methods of offsets involves less measurement on the ground?

method of perpendicular offsets

Which of the following is not used in measuring perpendicular offsets ?

line ranger

Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

error due to displacement of station signals

Which of the following errors can be eliminated by taking mean of bot face observations ?

error due to line of collimation not being perpendicular to horizontal axis

Which of the following errors cannot be eliminated by taking both face observations ?

none of the above

Which of the following errors can be neutralised by setting the level midway between the two stations ?

error due to both curvature and re-fraction

Which of the following is not the function of levelling head ?

none of the above

Which of the following statements is in-correct ?

All of the above statements are incorrect.

Which of the following methods of con-touring is most suitable for a hilly terrain ?

tacheometric method

With the rise of temperature, the sensitivity of a bubble tube

decreases

While making astronomical observations, the observer is mainly concerned with

all

Where would you find the title of a 7.5 minute quadrangle?

top right corner

What is the Bruton compass used to measure?

directions

What do contour lines that are uniformly spaced indicate?

a constant slope

What is the term that describes a specific location’s height above sea level?

elevation

What is an isogram on a map?

a line representing an equal value of a quantity given

What does longitude tell us?

How far a place is (expressed as an angle) east or west of the prime meridian, the 0° longitude line.

Which one of the five statements below is not true about contour lines on a topographic map?

The "interval" between elevations on adjacent topographic contour lines is the same, standard value of 50cm on all Kazakhstan Survey topographic maps.

When you observe contour lines with hachures on a topographic map, this indicates that

a depression is located in this part of the map

What is the main difference between an optical square and prism?

Obstacle for both chaining and ranging both.

Which of the following is the largest scale map

1: 5 000

Which of the following is the smallest scale map

1: 100 000

Which of the following is the smallest scale map

1: 70 000

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

all

Which of the following is the largest scale map

1: 8 000

Y

You measure the length of a particular stream section on a topographic map with a scale of 1:25000 is 3 cm. The real-world length of the stream is

750 m

You measure the length of a particular stream section on a topographic map with a scale of 1:5000 is 7 cm. The real-world length of the stream is

350 m

You measure the length of a particular stream section on a topographic map with a scale of 1:2000 is 7,5 cm. The real-world length of the stream is

150 m