MCQOPTIONS
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MCQOPTIONS
This section includes 358 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called |
| A. | contour line |
| B. | contour gradient |
| C. | level line |
| D. | line of gentle scope. |
| Answer» C. level line | |
| 102. |
If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as |
| A. | direct vernier |
| B. | double vernier |
| C. | retrograde vernier |
| D. | simple vernier. |
| Answer» D. simple vernier. | |
| 103. |
Whole circle bearing of a line is preferred to a quadrantal bearing merely because |
| A. | bearing is not completely specified by an angle |
| B. | bearing is completely specified by an angle |
| C. | Sign of the correction of magnetic declination is different in different quadrants |
| D. | its trigonometrical values may be extracted from ordinary tables easily. |
| Answer» C. Sign of the correction of magnetic declination is different in different quadrants | |
| 104. |
Bergchrund is a topograhical feature in |
| A. | plains |
| B. | water bodies |
| C. | hills |
| D. | glaciated region |
| Answer» C. hills | |
| 105. |
If whole circle bearing of a line is 120°, its reduced bearing is |
| A. | S 20° E |
| B. | S 60° E |
| C. | N 120° E |
| D. | N 60° E. |
| Answer» C. N 120° E | |
| 106. |
The bubble tube is nearly filled with |
| A. | alcohol or chloroform |
| B. | a liquid which is very mobile |
| C. | a liquid having low freezing point |
| D. | all the above. |
| Answer» E. | |
| 107. |
In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to |
| A. | ease of reduction of observations |
| B. | facility of holding |
| C. | minimum effect of careless holding on the result |
| D. | none of these. |
| Answer» D. none of these. | |
| 108. |
Mistakes which may produce a very serious effect upon the final results arise due to |
| A. | in attention |
| B. | in experience |
| C. | carelessness |
| D. | all of these. |
| Answer» E. | |
| 109. |
Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling |
| A. | radiation |
| B. | intersection |
| C. | traversing |
| D. | resection. |
| Answer» E. | |
| 110. |
For locating a distant object visible from two transit stations, the method usually preferred to, is |
| A. | Angles and distances from transit stations |
| B. | Angles from two transit stations |
| C. | distance from two transit stations |
| D. | Angle from one transit station and distance from the other. |
| Answer» C. distance from two transit stations | |
| 111. |
Magnetic bearing of a survey line at any place |
| A. | remains constant |
| B. | changes systematically |
| C. | varies differently in different months of the year |
| D. | is always greater than true bearing. |
| Answer» D. is always greater than true bearing. | |
| 112. |
The bearing of AB is 190° and that of CB is 260° 30'. The included angle ABC, is |
| A. | 80° 30' |
| B. | 99° 30' |
| C. | 70° 30' |
| D. | none of these |
| Answer» D. none of these | |
| 113. |
The combined effect of curvature and refraction over a distance L kilometres is |
| A. | 67.2 L² mm |
| B. | 76.3 L² mm |
| C. | 64.5 L² mm |
| D. | none of these. |
| Answer» B. 76.3 L² mm | |
| 114. |
The slope correction for a 3° slope for a length of 100 m, is |
| A. | -0.11 m |
| B. | -0.12 m |
| C. | -1.87 m |
| D. | -0.137 m |
| Answer» E. | |
| 115. |
The best method of interpolation of contours, is by |
| A. | estimation |
| B. | graphical means |
| C. | computation |
| D. | all of these. |
| Answer» D. all of these. | |
| 116. |
The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as |
| A. | traverse leg |
| B. | a base |
| C. | traverse base |
| D. | all the above. |
| Answer» D. all the above. | |
| 117. |
Greater accuracy in linear measurements, is obtained by |
| A. | tacheometry |
| B. | direct chaining |
| C. | direct taping |
| D. | all the above. |
| Answer» D. all the above. | |
| 118. |
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» B. chaining gets obstructed | |
| 119. |
The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as |
| A. | line of sight |
| B. | line of collimation |
| C. | axis of the telescope |
| D. | none of these. |
| Answer» C. axis of the telescope | |
| 120. |
Closed contours of decreasing values towards their centre, represent |
| A. | a hill |
| B. | a depression |
| C. | a saddle or pass |
| D. | a river bed. |
| Answer» C. a saddle or pass | |
| 121. |
If L is in kilometres, the curvature correction is |
| A. | 58.2 L² mm |
| B. | 64.8 L² mm |
| C. | 74.8 L2 mm |
| D. | 78.4 L² mm. |
| Answer» E. | |
| 122. |
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» D. to increase the out-turn | |
| 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» B. correcting line of collimation | |
| 124. |
If the whole circle bearing of a line is 180°, its reduced bearing is |
| A. | S 0° E |
| B. | S 0° W |
| C. | S |
| D. | N. |
| Answer» D. N. | |
| 125. |
In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to |
| A. | line of sight |
| B. | line of collimation |
| C. | axis of the telescope |
| D. | None of these. |
| Answer» B. line of collimation | |
| 126. |
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» D. magnetic needle over an iron pivot. | |
| 127. |
Back bearing of a line is equal to |
| A. | Fore bearing ± 90° |
| B. | Fore bearing ± 180° |
| C. | Fore bearing ± 360° |
| D. | Fore bearing ± 270° |
| Answer» C. Fore bearing ± 360° | |
| 128. |
A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is |
| A. | 208.75 m |
| B. | 202.75 m |
| C. | 206.75 m |
| D. | 211.75 m |
| Answer» D. 211.75 m | |
| 129. |
A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be |
| A. | 1.435 |
| B. | 1.345 |
| C. | 1.425 |
| D. | none of these. |
| Answer» C. 1.425 | |
| 130. |
Locating the position of a plane table station with reference to three known points, is known as |
| A. | intersection method |
| B. | radiation method |
| C. | resection method |
| D. | three point problem. |
| Answer» E. | |
| 131. |
The reduced bearing of a line is N 87° W. Its whole circle bearing is |
| A. | 87° |
| B. | 273° |
| C. | 93° |
| D. | 3° |
| Answer» C. 93° | |
| 132. |
The area of any irregular figure of the plotted map is measured with |
| A. | pentagraph |
| B. | sextant |
| C. | clinometer |
| D. | planimeter |
| Answer» E. | |
| 133. |
To orient a plane table at a point with two inaccessible points, the method generally adopted, is |
| A. | intersection |
| B. | resection |
| C. | radiation |
| D. | two point problem. |
| Answer» E. | |
| 134. |
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» D. setting. | |
| 135. |
Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to |
| A. | shift |
| B. | twice the shift |
| C. | thrice the shift |
| D. | four times the shift. |
| Answer» E. | |
| 136. |
Chain surveying is well adopted for |
| A. | small areas in open ground |
| B. | small areas with crowded details |
| C. | large areas with simple details |
| D. | large areas with difficult details. |
| Answer» B. small areas with crowded details | |
| 137. |
The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly |
| A. | 0.043 m |
| B. | 0.053 m |
| C. | 0.063 m |
| D. | 0.083 m |
| Answer» E. | |
| 138. |
When the bubble of the level tube of a level, remains central |
| A. | line of sight is horizontal |
| B. | axis of the telescope is horizontal |
| C. | line of collimation is horizontal |
| D. | geometrical axis of the telescope is horizontal. |
| Answer» B. axis of the telescope is horizontal | |
| 139. |
The power of a lens |
| A. | is reciprocal of its focal length |
| B. | is positive if it is a convex lens |
| C. | is negative if it is a concave lens |
| D. | is measured in diopter. |
| Answer» E. | |
| 140. |
For preparation of a contour plan for a route survey |
| A. | method of squares is used |
| B. | method of trace contour is used |
| C. | method of cross profile is used |
| D. | indirect method of contouring is used. |
| Answer» D. indirect method of contouring is used. | |
| 141. |
The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every |
| A. | 100 sq. km of area |
| B. | 150 sq. km of area |
| C. | 200 sq. km of area |
| D. | none of these. |
| Answer» D. none of these. | |
| 142. |
Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point |
| A. | angular measurements are correct and not the linear measurements |
| B. | linear measurements are correct and not the angular measurements |
| C. | angular and linear measurements are correct and not the plotting of traverse |
| D. | angular and linear measurements and also plotting of the traverse are correct. |
| Answer» E. | |
| 143. |
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» E. | |
| 144. |
The co-ordinate of a point measured perpendicular to the parallel, is called |
| A. | total latitude |
| B. | meridian distance |
| C. | total departure |
| D. | consecutive co-ordinate. |
| Answer» B. meridian distance | |
| 145. |
Metric chains are generally available in |
| A. | 10 m and 20 m length |
| B. | 15 m and 20 m length |
| C. | 20 m and 30 m length |
| D. | 25 m and 100 m length |
| Answer» D. 25 m and 100 m length | |
| 146. |
If the length of a chain line along a slope of θ° is l, the required slope correction is |
| A. | 2l cos² θ/2 |
| B. | 2l sin² θ/2 |
| C. | l tan² θ/2 |
| D. | l cos² θ/2. |
| Answer» C. l tan² θ/2 | |
| 147. |
The Random errors tend to accumulate proportionally to |
| A. | numbers of operations involved |
| B. | reciprocal of operations involved |
| C. | square root of the number of operation involved |
| D. | cube root of the number of operation involved. |
| Answer» D. cube root of the number of operation involved. | |
| 148. |
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» E. | |
| 149. |
The length of a traverse leg may be obtained by multiplying the latitude and |
| A. | secant of its reduced bearing |
| B. | sine of its reduced bearing |
| C. | cosine of its reduced bearing |
| D. | tangent of its reduced bearing. |
| Answer» B. sine of its reduced bearing | |
| 150. |
The total change in level along the line is equal to total back sights |
| A. | minus total fore sights |
| B. | the total rises minus total falls |
| C. | the reduced level of last point minus reduced level of the first point |
| D. | all the above. |
| Answer» E. | |