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This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 13

Q1 | It is more convenient and gives better results while measuring horizontal distance

- down the hill
- up the hill
- in plane areas

Q2 | The true or geographical meridiams through the various stations

- are parallel
- converge to the poles
- converge from north pole to south pole
- converge from south pole to north pole

Q3 | The angle of intersection of the horizon glass and index glass in an optical square is

- 30?
- 45?
- 60?
- 75?

Q4 | The power of a telescope to form distinguishable images of objects separated by small angular distance is called its

- definition
- brightness
- sensitivity
- resolving power

Q5 | The method of plane tabling commonly used for establishing the instrument stations only, is a

- method of radiation
- method of intersection
- method of traversing
- method of resection

Q6 | In an optical square, the angle between the first incident ray and the last reflected ray is

- 60?
- 90?
- 120?
- 150?

Q7 | The process of turning the telescope of a theodolite over its supporting axis through 180? in a vertical plane, is called

- transiting
- reversing
- plunging
- any one of these

Q8 | Which of the following statement is correct?

- In levelling, the effect of curvature is to decrease the staff reading.
- The effect of refraction in levelling is to increase the staff reading.
- The combined effect of curvature and refraction in levelling is to increase the staff reading.
- all of the above

Q9 | The method of reiteration of measuring horizontal angles is generally preferred when several angles are to be measured at a particular station.

- Yes
- No

Q10 | The projection of a traverse line on a line perpendicular to the meridian is known as

- latitude of the line
- departure of the line
- bearing of the line
- co-ordinate of the line

Q11 | When the cross-hairs are not clearly visible,

- the cross-hairs should be adjusted
- the eye-piece should be focussed
- the objective should be focussed
- the parallex should be removed

Q12 | The angle between the back tangent and forward tangent of a curve is known as

- deflection angle
- central angle
- angle of intersection
- none of these

Q13 | The lines passing through points at which the magnetic declination is equal at a given time are called

- isogonic lines
- agonic lines
- isoclinic lines
- none of these

Q14 | A plumb bob is required

- when measuring distances along slopes in a hilly country
- for accurate centering of a theodolite over a station mark
- for testing the verticality of ranging poles
- all of the above

Q15 | The ratio of the focal length of the objective to that of an eye-piece of a telescope is called its

- definition
- brightness
- sensitivity
- magnification

Q16 | The levelling should always commence from a temporary bench mak and end on a permanent bench mark.

- Correct
- Incorrect

Q17 | The obstacle, which obstructs vision but not chanining, is a

- river
- pond
- hill
- all of these

Q18 | When the magnetic declination is 5? 20' east, the magnetic bearing of the sun at noon will be

- 95? 20'
- 174? 40'
- 185? 20'
- 354? 40'

Q19 | In plane surveying,

- The curvature of the earth is taken into consideration
- the surveys extend over small areas
- the surveys extend over large areas

Q20 | Chain surveying is most suitable when

- area to be surveyed is small
- ground is fairly level and open with simple details
- plans are required on a large scale
- all of the above

Q21 | The lines of earth's magnetic field run from

- south to north
- north to south
- east to west
- west to east

Q22 | The representative fraction 1 / 2500 means that the scale is

- 1 cm = 0.25 m
- 1 cm = 2.5 m
- 1 cm = 25 m
- 1 cm = 250 m

Q23 | If the fore bearing of a line is 36? 15', its back bearing will be

- 36? 15'
- 126? 15'
- 143? 45'
- 216? 15'

Q24 | In a field book, the booking is commenced at the bottom of a page and worked upwards.

- TRUE
- FALSE

Q25 | A deflection angle in a traverse is equal to the

- difference between the included angle and 180?
- difference between 360? and the included angle
- sum of the included angle and 180?
- none of the above