Surveying Set 16 MCQs

Q1 | The point on which the instrument is set up, is called station point

TRUE

FALSE

Q2 | The bearing observed with a surveyor's compass is

whole circle bearing

quadrantal bearing

Q3 | A French cross-staff has a magnetic compass at the top.

Right

Wrong

Q4 | The method of levelling in which the heights of mountains are found by observing the temperature at which water boils is known as

barometric levelling

reciprocal levelling

longitudinal levelling

hypometry

Q5 | When the length of chain used in measuring distance is shorter than the standard length, the error in measured distance will be compensating error.

Right

Wrong

Q6 | A plain scale is used to read

one dimension

two dimensions

three dimensions

all of these

Q7 | The surveying used to determine additional details such as boundaries of fields, is called

city surveying

location surveying

cadastral surveying

topographical surveying

Q8 | The area of any irregular figure can be calculated accurately with the help of a planimeter.

TRUE

FALSE

Q9 | The shift of a curve is

equal to

one-half

one-third

one-fourth

Q10 | The method of measuring distance by pacing is chiefly used in

reconnaissance surveys

preliminary surveys

location surveys

all of these

Q11 | In locating the details of an object whose direct measurement is not possible due to some obstruction, the method used is

by angles and distances from the same station

by angle from one station and distance from the other station

by distance from two different stations

by angles from two different stations

Q12 | The collimation method for obtaining the reduced levels of points does not provide a check on

fore sights

back sights

change points

intermediate sights

Q13 | In a whole circle bearing system, S 25? 15' E corresponds to

115? 15'

154? 45'

205? 15'

334? 45'

Q14 | The representative fraction of the scale is the ratio of the distance on the map or drawing to the corresponding distance on the ground

Yes

No

Q15 | The deflection angle for any chord is equal to the deflection angle for the proceeding chord minus the tangential angle for that chord.

Yes

No

Q16 | It is required to find the difference in elevation between two points A and B. During levelling, it is found that the staff reading at B is more than the staff reading at A. It indicates that the point A is

higher than

lower than

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

river

hill

rising ground

all of these

Q18 | When 1 cm on a map represents 10 m on the ground, the representative fraction of the scale is

1?10

1?100

1?1000

1?10000

Q19 | The angle between the reflecting surfaces of a prism square is

30?

45?

60?

75?

Q20 | The vertical distance above or below the datum is called

reduced level of the point

elevation of the point

height of the instrument

either (a) or (b)

Q21 | For setting out an offset at an angle of 45?,

open

french

adjustable

Q22 | When the effect of curvature is taken into account in levelling, the true staff reading is obtained by

adding

subtracting

Q23 | In the surveying telescope, diaphragm is held

inside the eye piece

inside the objective

nearer to the eye piece

nearer to the objective

Q24 | A base line in a chain survey

checks the accuracy of the framework

enables the surveyor to locate the interior details which are far away from the main chain lines

fixes up the directions of all other lines

all of the above

Q25 | The method of surveying used for dtermining the relative height of points on the surface of the earth is called

levelling

simple levelling

longitudinal levelling

differential levelling