MCQOPTIONS
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MCQOPTIONS
This section includes 247 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The diurnal variation of the magnetic needle is |
| A. | more |
| B. | less |
| Answer» C. | |
| 102. |
The contour interval depends upon the |
| A. | nature of the ground |
| B. | scale of map |
| C. | purpose and extent of survey |
| D. | all of these |
| Answer» E. | |
| 103. |
A branch of surveying in which the horizontal and vertical distances of points are obtained by instrumental observations, is known as |
| A. | chain surveying |
| B. | plane table surveying |
| C. | tacheometric surveying |
| D. | hydrographic surveying |
| Answer» D. hydrographic surveying | |
| 104. |
The accuracy in laying down the perpendicular offsets and in measuring them depends upon |
| A. | scale of plotting |
| B. | length of offset |
| C. | importance of the object |
| D. | all of these |
| Answer» E. | |
| 105. |
The points on a contour gradient will have the same elevation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 106. |
The strength of 'fix' of a plane table from three known points is poor if the instrument station is near the great circle. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 107. |
To find the true difference of level between two points, the level should be kept |
| A. | at either of the two points |
| B. | exactly midway between the two points |
| C. | at any point on the line joining the two points |
| D. | none of the above |
| Answer» C. at any point on the line joining the two points | |
| 108. |
The curve used for ideal transition curve is a |
| A. | cubic parabola |
| B. | clothoid spiral |
| C. | cubic spiral |
| D. | lemniscate |
| Answer» E. | |
| 109. |
In a direct vernier, the smallest division of a vernier is |
| A. | equal to |
| B. | shorter than |
| C. | longer than |
| Answer» C. longer than | |
| 110. |
An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called |
| A. | axis of telescope |
| B. | axis of level tube |
| C. | level line |
| D. | line of collimation |
| Answer» C. level line | |
| 111. |
The reconnaissance surveying is carried out to determine the artificial features such as roads, railways, canals, buildings etc. |
| A. | True |
| B. | False |
| Answer» C. | |
| 112. |
The additive constant for the tacheometer is |
| A. | f / i |
| B. | I / f |
| C. | f / d |
| D. | f + d |
| Answer» E. | |
| 113. |
The image formed by the objective in the plane of cross hairs is |
| A. | real and straight |
| B. | real and inverted |
| C. | virtual and straight |
| D. | virtual and inverted |
| Answer» C. virtual and straight | |
| 114. |
The rise and fall method for obtaining the reduced levels of points provides a check on |
| A. | fore sights only |
| B. | back sights only |
| C. | intermediate sights only |
| D. | all of these |
| Answer» E. | |
| 115. |
When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30 m, then the relation between R and D is |
| A. | R = 1520/D |
| B. | R = 1720/D |
| C. | R = 4500/D |
| D. | R = 5400 / D |
| Answer» C. R = 4500/D | |
| 116. |
The bearing of a line in the direction of the progress of survey is called back bearing |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 117. |
The error which is not completely eliminated in reciprocal levelling, is |
| A. | error due to curvature |
| B. | error due to refraction |
| C. | error due to non-adjustment of the line of collimation |
| D. | error due to non-adjustment of bubble tube |
| Answer» C. error due to non-adjustment of the line of collimation | |
| 118. |
A diagonal scale is used to read |
| A. | two |
| B. | three |
| C. | four |
| Answer» C. four | |
| 119. |
In high latitudes, the diurnal variation of the magnetic needle is greater. |
| A. | Agree |
| B. | Disagree |
| Answer» B. Disagree | |
| 120. |
When the angular mesurements of a traverse are more precise than the linear measurements, the balancing of a traverse is done by |
| A. | transit rule |
| B. | empirical rule |
| C. | Bowditch's rule |
| D. | any one of these |
| Answer» B. empirical rule | |
| 121. |
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 |
| Answer» C. axis of level tube | |
| 122. |
The axis of telescope level must be |
| A. | parallel |
| B. | perpendicular |
| Answer» B. perpendicular | |
| 123. |
The departure of a traverse line is obtained by multiplying its length with the tangent of its reduced bearing. |
| A. | Agree |
| B. | Disagree |
| Answer» C. | |
| 124. |
A deflection angle is |
| A. | less than 90? |
| B. | more than 90? but less than 180? |
| C. | equal to the difference between the angle of intersection and 180? |
| D. | equal to the difference between the angle of intersection and 360? |
| Answer» D. equal to the difference between the angle of intersection and 360? | |
| 125. |
A transition curve when inserted between the tangent and the circular curve |
| A. | should meet the original straight tangentially |
| B. | should meet the circular curve tangentially |
| C. | the rate of increase of curvature along the transition curve should be same as that of increase of super-elevation |
| D. | all of the above |
| Answer» E. | |
| 126. |
A compound curve consists of two arcs of equal radii bending in the same direction. |
| A. | Right |
| B. | Wrong |
| Answer» C. | |
| 127. |
At the equator, the amount of dip is |
| A. | 0? |
| B. | 45? |
| C. | 60? |
| D. | 90? |
| Answer» B. 45? | |
| 128. |
An average length of a pace is |
| A. | 60 cm |
| B. | 80 cm |
| C. | 100 cm |
| D. | 120 cm |
| Answer» C. 100 cm | |
| 129. |
An axis about which the telescope can be rotated in a horizontal plane, is called |
| A. | horizontal axis |
| B. | vertical axis |
| C. | axis of the level tube |
| D. | line of collimation |
| Answer» C. axis of the level tube | |
| 130. |
Rise and fall method is used in. |
| A. | profile levelling |
| B. | differential levelling |
| C. | check levelling |
| D. | none of these |
| Answer» D. none of these | |
| 131. |
In a duadrantal system, the bearing of a line is measured |
| A. | always clockwise from the south point of the reference meridian towards the line right round the circle |
| B. | clockwise or anticlockwise from the east or west whichever is nearer the line towards north or south |
| C. | clockwise or anticlockwise from the north or wouth whichever is nearer the line towards east or west |
| D. | none of the above |
| Answer» D. none of the above | |
| 132. |
A check line in a chain surveying |
| A. | checks the accuracy of the framework |
| B. | enables the surveyor to locate the interior details which are far away from the main chain lines |
| C. | fixes up the directions of all other lines |
| D. | all of the above |
| Answer» B. enables the surveyor to locate the interior details which are far away from the main chain lines | |
| 133. |
The image produced by the telescope will be dull, if it has |
| A. | dull |
| B. | bright |
| Answer» C. | |
| 134. |
The traversing by the method of deflection angles is chiefly used in |
| A. | canals |
| B. | highways |
| C. | railways |
| D. | all of these |
| Answer» E. | |
| 135. |
In indirect method of contouring, the best method of interpolation of contours is |
| A. | by graphical method |
| B. | by estimation |
| C. | by arithmetical calculation |
| D. | all of these |
| Answer» D. all of these | |
| 136. |
A simple circular cruve is designated by the |
| A. | radius of the curve |
| B. | cruvature of the curve |
| C. | angle subtended at the centre by a chord of any length |
| D. | angle subtended at the centre by a chord of particular length |
| Answer» E. | |
| 137. |
An arbitrary surface with reference to which the elevation of points are measured and compared, is called |
| A. | datum surface |
| B. | level surface |
| C. | horizontl surface |
| D. | vertical surface |
| Answer» B. level surface | |
| 138. |
An imaginary line tangential to the longitudinal curve of the level at the centre of the tube is called |
| A. | horizontal axis |
| B. | vertical axis |
| C. | axis of the level tube |
| D. | line of collimation |
| Answer» D. line of collimation | |
| 139. |
The magnification of a telescope is the ratio of the angle subtended at the eye by the virtual image of the object to that subtended by the object. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 140. |
The line of collimation should be |
| A. | vertical |
| B. | horizontal |
| Answer» C. | |
| 141. |
The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called |
| A. | passometer |
| B. | pedometer |
| C. | odometer |
| D. | speedometer |
| Answer» D. speedometer | |
| 142. |
If any closed traverse, if the survey work is correct, then |
| A. | the algebraic sum of latitudes should be equal to zero |
| B. | the algebraic sum of departures should be equal to zero |
| C. | the sum of northings should be equal to the sum of southings |
| D. | all of the above |
| Answer» E. | |
| 143. |
The capability of showing small angular movements of the level rube vertically, is called its sensitivity. |
| A. | Right |
| B. | Wrong |
| Answer» B. Wrong | |
| 144. |
After fixing the plane table to the tripod, the main operations which are needed at each plane table station are |
| A. | (i), (ii),.(iii) |
| B. | (i), (iii), (ii) |
| C. | (iii), (i), (ii) |
| D. | (ii), (Hi), (i) |
| Answer» C. (iii), (i), (ii) | |
| 145. |
If x is the smallest division on the main scale and n are the number of divisions on the vernier, then the least count of the vernier is |
| A. | x + n |
| B. | x - n |
| C. | x x n |
| D. | x ? n |
| Answer» E. | |
| 146. |
The horizontal distance between any two consecutive contours is called |
| A. | vertical equivalent |
| B. | horizontal equivalent |
| C. | contour interval |
| D. | contour gradient |
| Answer» C. contour interval | |
| 147. |
A staff reading taken on a point whose elevation is to be determined as on a change point is called. |
| A. | fore sight reading |
| B. | back sight reading |
| C. | intermediate sight |
| D. | none of these |
| Answer» B. back sight reading | |
| 148. |
The height of instrument is equal to |
| A. | reduced level of bench mark + back sight |
| B. | reduced level of bench mark + fore sight |
| C. | reduced level of bench mark + intermediate sight |
| D. | back sight + fore sight |
| Answer» B. reduced level of bench mark + fore sight | |
| 149. |
The method of surveying in which field work and plotting work are done simultaneously, is called |
| A. | compass surveying |
| B. | levelling |
| C. | plane tabling |
| D. | chain surveying |
| Answer» D. chain surveying | |
| 150. |
The contour lines can cross one another on map only in the case of |
| A. | a vertical cliff |
| B. | a valley |
| C. | a ridge |
| D. | an overhanging cliff |
| Answer» E. | |