Q.1) In Plain Surveying :
A) The curvature of the earth is taken into consideration
B) The curvature of the earth is not taken into consideration
C) The surveys extend over large areas
D) None of the above
Option (B)
Q.2) The curvature of earth is taken into consideration if the limit of survey is :
A)50 to 100 km2
B)100 to 200 km2
C)200 to 250 km2
D)More than 250 km2
Option (D)
Option (D)
Q.4) The working from whole to part is done in surveying in order to ensure that –
A) Survey work is completed more quickly
B) Number of errors is minimum
C) Plotting is done more quickly
D) Errors and mistakes of one portion do not affect the remaining portion
Option (D)
Q.5) A scale which has a common representative fraction, but read in different measures is called a :
A) Plain scale
B) Diagonal scale
C) Shrunk scale
D) Comparative scale
Option (D)
Q.6) The method of measuring distance by pacing is chiefly used in :
A) Reconnaissance survey
B) Preliminary survey
C) Location survey
D) All of the above
Option (A)
Q.7) Direct ranging is possible only when the end stations are :
A) Close to each other
B) Not more than 100 m apart
C) Mutually intervisible
D) Located at higher points in the sea
Option (C)
Q.8) The error in measured length due to incorrect holding of chain is :
A) Compensating error
B) Cumulative error
C) Instrumental error
D) Negative error
Option (A)
Q.9) The instrument used for setting out an offset at a right angle is :
A) Open cross-staff
B) French cross-staff
C) Adjustable cross-staff
D) Optical square
Option (A)
Q.10) The instrument, belonging to a class of a reflecting instrument is :
A) Line ranger
B) Box sextant
C) Prismatic compass
D) All of the above
Option (D)
Q.11) The horizontal angle between the true meridian and a survey line is called :
A) Magnetic bearing
B) Azimuth
C) Dip
D) Magnetic declination
Option (B)
Q.12) The lines passing through points at which the magnetic declination is equal at a given time are called :
A) Isogonic lines
B) Agonic lines
C) Isoclinic lines
D) None of the above
Option (A)
Q.13) A line joining the optical centre of the object glass and the centre of the eye piece, is known as :
A) Fundamental line
B) Axis of telescope
C) Axis of level tube
D) Line of collimation
Option (B)
Q.14) The power of telescope to form distinguishable images of objects separated by small angular distance is called its :
A) Definition
B) Brightness
C) Sensitivity
D) Resolving power
Option (D)
Q.15) In order to measure a horizontal angle more accurately than a Vernier, a –
A) Method of repetition is used
B) Method of reiteration is used
C) Method of deflection angles is used
D) Method of double observations is used
Option (A)
Q.16) The projection of a traverse line on a line perpendicular to the meridian is known as :
A) Latitude of line
B) Departure of line
C) Bearing of line
D) Co-ordinate of line
Option (B)
Q.17) The method of surveying used for determining the relative height of points on the surface of the earth is called :
A) Levelling
B) Simple levelling
C) Longitudinal levelling
D) Differential levelling
Option (A)
Q.18) A line normal to the plumb line at all points is know as :
A) Horizontal line
B) Vertical line
C) Level line
D) Line of collimation
Option (C)
Q.19) An imaginary line tangential to the longitudinal curve of the bubble at its middle point is called :
A) Axis of telescope
B) Axis of level tube
C) Level line
D) Line of collimation
Option (B)
Q.20) Collimation method is used in –
A) Profile levelling
B) Differential levelling
C) Check levelling
D) None of the above
Option (A)