McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 101. |
In chain surveying tie lines are primarily provided |
| A. | to check the accuracy of the survey |
| B. | to take offsets for detail survey |
| C. | to avoid long offsets from chain lines |
| D. | to increase the number of chain lines. |
| Answer» C. to avoid long offsets from chain lines | |
| 102. |
If f1 and f2 are the distances from the optical center of a convex lens of focal length f to conjugate two points P1 and P2 respectively, the following relationship holds good |
| A. | f = f1 + f2 |
| B. | f = (f1 + f2) |
| C. | 1/ f1 + 1/ f2 |
| D. | none of these. |
| Answer» C. 1/ f1 + 1/ f2 | |
| 103. |
Closed contours of decreasing values towards their center, represent |
| A. | a hill |
| B. | a depression |
| C. | a saddle or pass |
| D. | a river bed. |
| Answer» B. a depression | |
| 104. |
An imaginary line joining the points of equal elevation on the surface of the earth, represents |
| A. | contour surface |
| B. | contour gradient |
| C. | contour line |
| D. | level line |
| Answer» C. contour line | |
| 105. |
In chain surveying field work is limited to |
| A. | linear measurements only |
| B. | angular measurements only |
| C. | both linear and angular measurements |
| D. | all the above |
| Answer» A. linear measurements only | |
| 106. |
In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by |
| A. | adding 180°, if the given bearing is less than 180° |
| B. | subtracting 180°, if the given bearing, is more than 180° |
| C. | changing the cardinal points, i.e. substituting N for S and E for W and vice-versa |
| D. | none of these. |
| Answer» C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa | |
| 107. |
Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following |
| A. | chain surveying |
| B. | compass surveying |
| C. | plan table surveying |
| D. | tacheometric surveying. |
| Answer» C. plan table surveying | |
| 108. |
While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is |
| A. | correctly focused |
| B. | not correctly focused |
| C. | said to have parallax |
| D. | free from parallax. |
| Answer» C. said to have parallax | |
| 109. |
True meridians are generally preferred to magnetic meridians because |
| A. | these converge to a point |
| B. | these change due to change in time |
| C. | these remain constant. |
| D. | None of these. |
| Answer» C. these remain constant. | |
| 110. |
The main principle of surveying is to work |
| A. | from part to the whole |
| B. | from whole to the part |
| C. | from higher level to the lower level |
| D. | from lower level to higher level. |
| Answer» B. from whole to the part | |
| 111. |
Geodetic surveying is undertaken |
| A. | for production of accurate maps of wide areas |
| B. | for developing the science of geodesy |
| C. | making use of most accurate instruments and methods of observation |
| D. | all the above. |
| Answer» D. all the above. | |
| 112. |
The best method of interpolation of contours, is by |
| A. | estimation |
| B. | graphical means |
| C. | computation |
| D. | all of these. |
| Answer» C. computation | |
| 113. |
The conventional sign shown in below figure represents a |
| A. | bridge carrying railway below road |
| B. | bridge carrying road below railway |
| C. | bridge carrying road and railway at the same level |
| D. | a level crossing. |
| Answer» A. bridge carrying railway below road | |
| 114. |
A relatively fixed point of known elevation above datum, is called |
| A. | bench mark |
| B. | datum point |
| C. | reduced level |
| D. | reference point. |
| Answer» A. bench mark | |
| 115. |
Cross hairs in surveying telescopes, are fitted |
| A. | in the objective glass |
| B. | at the center of the telescope |
| C. | at the optical center of the eye piece |
| D. | in front of the eye piece. |
| Answer» D. in front of the eye piece. | |
| 116. |
On a diagonal scale, it is possible to read up to |
| A. | one dimension |
| B. | two dimensions |
| C. | three dimensions |
| D. | Four dimensions. |
| Answer» C. three dimensions | |
| 117. |
Plotting of inaccessible points on a plane table, is done by |
| A. | intersection |
| B. | traversing |
| C. | radiation |
| D. | none of these. |
| Answer» A. intersection | |
| 118. |
Prismatic compass is considered more accurate than a surveyor's compass, because |
| A. | it is provided with a better magnetic needle |
| B. | it is provided with a sliding glass in the object vane |
| C. | its graduations are in whole circle bearings |
| D. | it is provided with a prism to facilitate reading of its graduated circle |
| Answer» D. it is provided with a prism to facilitate reading of its graduated circle | |
| 119. |
Removal of parallax, may be achieved by focussing |
| A. | the objective |
| B. | the eye-piece |
| C. | the objective and the eye-piece |
| D. | none of these. |
| Answer» C. the objective and the eye-piece | |
| 120. |
In an internal focusing telescope |
| A. | the objective is at a fixed distance from the diaphragm |
| B. | the focusing is done by the sliding of a divergent lens. |
| C. | the focusing divergent lens is situated at about the middle of the tube |
| D. | all the above. |
| Answer» D. all the above. | |
| 121. |
Imaginary line passing through points having equal magnetic declination is termed as |
| A. | isogon |
| B. | agonic line |
| C. | isoclinic line |
| D. | none of these |
| Answer» A. isogon | |
| 122. |
While measuring a chain line between two stations A and B intervened by a raised ground |
| A. | vision gets obstructed |
| B. | chaining gets obstructed |
| C. | both vision and chaining get obstructed |
| D. | all the above. |
| Answer» A. vision gets obstructed | |
| 123. |
A clinometer is used for |
| A. | measuring angle of slope |
| B. | correcting line of collimation |
| C. | setting out right angles |
| D. | defining natural features. |
| Answer» A. measuring angle of slope | |
| 124. |
The whole circle bearing of a line is 290°. Its reduced bearing is |
| A. | N 20° E |
| B. | N 20° W |
| C. | N 70° W |
| D. | S 70° E |
| Answer» C. N 70° W | |
| 125. |
The reduced bearing of a line is N 87° W. Its whole circle bearing is |
| A. | 87° |
| B. | 273° |
| C. | 93° |
| D. | 3° |
| Answer» B. 273° | |
| 126. |
Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as |
| A. | cadastral surveys |
| B. | city surveys |
| C. | topographical surveys |
| D. | guide map surveys |
| Answer» C. topographical surveys | |
| 127. |
Magnetic declination at any place |
| A. | remains constant |
| B. | does not remain constant |
| C. | fluctuates |
| D. | changes abruptly. |
| Answer» B. does not remain constant | |
| 128. |
The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is |
| A. | reciprocal levelling |
| B. | precise levelling |
| C. | differential levelling |
| D. | flying levelling |
| Answer» A. reciprocal levelling | |
| 129. |
The horizontal angle between true meridian and magnetic meridian, is known |
| A. | bearing |
| B. | magnetic declination |
| C. | dip |
| D. | convergence. |
| Answer» B. magnetic declination | |
| 130. |
Ranging in chain survey means |
| A. | looking at an isolated point not on the line |
| B. | establishing an intermediate point on the line |
| C. | determining the distance between end points |
| D. | determining the offset distance |
| Answer» B. establishing an intermediate point on the line | |
| 131. |
Reduced bearing of a line is an angle between |
| A. | north line and given line measured clockwise |
| B. | north line and given line measured anticlockwise |
| C. | east or west and the given line |
| D. | given line and the part of the meridian whether N end or S end, lying adjacent to it. |
| Answer» D. given line and the part of the meridian whether N end or S end, lying adjacent to it. | |
| 132. |
The magnetic meridian at any point, is the direction indicated by a freely suspended |
| A. | magnetic needle |
| B. | and properly balanced magnetic needle |
| C. | properly balanced and uninfluenced by local attractive force |
| D. | magnetic needle over an iron pivot. |
| Answer» C. properly balanced and uninfluenced by local attractive force | |
| 133. |
The zero of the graduated circle of a prismatic compass is located at |
| A. | north end |
| B. | east end |
| C. | south end |
| D. | west end. |
| Answer» C. south end | |
| 134. |
Profile levelling is usually done for determining |
| A. | contours of an area |
| B. | capacity of a reservoir |
| C. | elevations along a straight line |
| D. | boundaries of property |
| Answer» C. elevations along a straight line | |
| 135. |
The line of collimation method of reduction of levels, does not provide a check on |
| A. | intermediate sights |
| B. | fore sights |
| C. | back sights |
| D. | reduced levels. |
| Answer» A. intermediate sights | |
| 136. |
A well-conditioned triangle has no angle less than |
| A. | 20° |
| B. | 30° |
| C. | 45° |
| D. | 60°. |
| Answer» B. 30° | |
| 137. |
Check lines (or proof lines) in Chain Surveying, are essentially required |
| A. | to plot the chain lines |
| B. | to plot the offsets |
| C. | to indicate the accuracy of the survey work |
| D. | to increase the out-turn |
| Answer» C. to indicate the accuracy of the survey work | |
| 138. |
The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known |
| A. | levelling |
| B. | centering |
| C. | orientation |
| D. | setting. |
| Answer» C. orientation | |
| 139. |
There are two stations A and B. Which of the following statements is correct : |
| A. | the fore bearing of AB is AB |
| B. | the back bearing of AB is BA |
| C. | the fore and back bearings of AB differ by 180° |
| D. | all the above. |
| Answer» D. all the above. | |
| 140. |
The boundary of water of a still lake, represents |
| A. | level surface |
| B. | horizontal surface |
| C. | contour line |
| D. | a concave surface. |
| Answer» C. contour line | |
| 141. |
The imaginary line passing through the intersection of cross hairs and the optical center of the objective, is known as |
| A. | line of sight |
| B. | line of collimation |
| C. | axis of the telescope |
| D. | none of these. |
| Answer» B. line of collimation | |
| 142. |
The rise and fall method of reduction of levels, provides a check on |
| A. | back sights |
| B. | fore sights |
| C. | intermediate sights |
| D. | all of these. |
| Answer» D. all of these. | |
| 143. |
The constant vertical distance between two adjacent contours, is called |
| A. | horizontal interval |
| B. | horizontal equivalent |
| C. | vertical equivalent |
| D. | contour interval |
| Answer» D. contour interval | |
| 144. |
The line normal to the plumb line is known as |
| A. | horizontal line |
| B. | level line |
| C. | datum line |
| D. | vertical line. |
| Answer» B. level line | |
| 145. |
Contours of different elevations may cross each other only in the case of |
| A. | an overhanging cliff |
| B. | a vertical cliff |
| C. | a saddle |
| D. | an inclined plane. |
| Answer» A. an overhanging cliff | |
| 146. |
In plan scale is … |
| A. | 1cm = 10 m or < 10 m |
| B. | >10 m |
| C. | none |
| D. | all |
| Answer» A. 1cm = 10 m or < 10 m | |
| 147. |
If area is less than 250 km2 which method is used? |
| A. | Geodetic survey |
| B. | Plane Survey |
| C. | none |
| D. | all |
| Answer» B. Plane Survey | |
| 148. |
Scale can be represent by |
| A. | Engineers scale |
| B. | RF |
| C. | Graphical Scale |
| D. | All of above |
| Answer» D. All of above | |
| 149. |
True bearing of a line = magnetic bearing + magnetic declination If declination is towards……… |
| A. | East |
| B. | West |
| C. | none |
| D. | all |
| Answer» A. East | |
| 150. |
Is a known as a marking pin? |
| A. | Arrow |
| B. | Peg |
| C. | none |
| D. | all |
| Answer» A. Arrow | |
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