Surveying Set 13 MCQs

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