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.
| 51. |
If the fore bearing of a line is |
| A. | 36? 15' |
| B. | 126? 15' |
| C. | 143? 45' |
| D. | 216? 15' |
| Answer» E. | |
| 52. |
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 |
| Answer» E. | |
| 53. |
In levelling, the effect of refraction may be taken as |
| A. | one-half |
| B. | one-third |
| C. | one-fifth |
| D. | one-seventh |
| Answer» E. | |
| 54. |
Contour lines cross ridge or valley lines at |
| A. | 30? |
| B. | 45? |
| C. | 60? |
| D. | 90? |
| Answer» E. | |
| 55. |
The instrument used for setting out an offset at a right angle, is called |
| A. | open cross-staff |
| B. | french cross-staff |
| C. | adjustable cross-staff |
| D. | optical square |
| Answer» B. french cross-staff | |
| 56. |
The height of instrument is the height of the centre of the telescope above the ground where the level is set up. |
| A. | True |
| B. | False |
| Answer» C. | |
| 57. |
In locating the details of inaccessible objects visible atleast from transit stations, the method used is |
| A. | by angles and distances from the same station |
| B. | by angle from one station and distance from the other station |
| C. | by distances from two different stations |
| D. | none of the above |
| Answer» E. | |
| 58. |
A tie 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» C. fixes up the directions of all other lines | |
| 59. |
When the image formed by the objective is not situated in the plane of cross-hairs, |
| A. | the cross-hairs should be adjusted |
| B. | the eye-piece should be focussed |
| C. | the objective should be focussed |
| D. | the parallex should be removed |
| Answer» D. the parallex should be removed | |
| 60. |
The latitude of a traverse line is obtained by multiplying its length with the cosine of its reduced bearing. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 61. |
The angle between the back tangent and forward tangent of a curve is known as |
| A. | deflection angle |
| B. | central angle |
| C. | angle of intersection |
| D. | none of these |
| Answer» D. none of these | |
| 62. |
When the position of a point is to be fixed most accurately, it should be located by oblique offsets. |
| A. | True |
| B. | False |
| Answer» C. | |
| 63. |
A plumb bob is required |
| A. | when measuring distances along slopes in a hilly country |
| B. | for accurate centering of a theodolite over a station mark |
| C. | for testing the verticality of ranging poles |
| D. | all of the above |
| Answer» E. | |
| 64. |
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 these |
| Answer» B. agonic lines | |
| 65. |
The ratio of the focal length of the objective to that of an eye-piece of a telescope is called its |
| A. | definition |
| B. | brightness |
| C. | sensitivity |
| D. | magnification |
| Answer» E. | |
| 66. |
The process of turning the telescope of a theodolite over its supporting axis through 180? in a vertical plane, is called |
| A. | transiting |
| B. | reversing |
| C. | plunging |
| D. | any one of these |
| Answer» E. | |
| 67. |
The representative fraction 1 / 2500 means that the scale is |
| A. | 1 cm = 0.25 m |
| B. | 1 cm = 2.5 m |
| C. | 1 cm = 25 m |
| D. | 1 cm = 250 m |
| Answer» D. 1 cm = 250 m | |
| 68. |
In a field book, the booking is commenced at the bottom of a page and worked upwards. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 69. |
The true or geographical meridiams through the various stations |
| A. | are parallel |
| B. | converge to the poles |
| C. | converge from north pole to south pole |
| D. | converge from south pole to north pole |
| Answer» C. converge from north pole to south pole | |
| 70. |
When the cross-hairs are not clearly visible, |
| A. | the cross-hairs should be adjusted |
| B. | the eye-piece should be focussed |
| C. | the objective should be focussed |
| D. | the parallex should be removed |
| Answer» C. the objective should be focussed | |
| 71. |
In plane surveying, |
| A. | The curvature of the earth is taken into consideration |
| B. | the surveys extend over small areas |
| C. | the surveys extend over large areas |
| Answer» C. the surveys extend over large areas | |
| 72. |
It is more convenient and gives better results while measuring horizontal distance |
| A. | down the hill |
| B. | up the hill |
| C. | in plane areas |
| Answer» B. up the hill | |
| 73. |
A deflection angle in a traverse is equal to the |
| A. | difference between the included angle and 180? |
| B. | difference between 360? and the included angle |
| C. | sum of the included angle and 180? |
| D. | none of the above |
| Answer» B. difference between 360? and the included angle | |
| 74. |
The lines of earth's magnetic field run from |
| A. | south to north |
| B. | north to south |
| C. | east to west |
| D. | west to east |
| Answer» C. east to west | |
| 75. |
The obstacle, which obstructs vision but not chanining, is a |
| A. | river |
| B. | pond |
| C. | hill |
| D. | all of these |
| Answer» D. all of these | |
| 76. |
If the fore bearing of a line is 36? 15', its back bearing will be |
| A. | 36? 15' |
| B. | 126? 15' |
| C. | 143? 45' |
| D. | 216? 15' |
| Answer» E. | |
| 77. |
The method of plane tabling commonly used for establishing the instrument stations only, is a |
| A. | method of radiation |
| B. | method of intersection |
| C. | method of traversing |
| D. | method of resection |
| Answer» E. | |
| 78. |
Chain surveying is most suitable when |
| A. | area to be surveyed is small |
| B. | ground is fairly level and open with simple details |
| C. | plans are required on a large scale |
| D. | all of the above |
| Answer» E. | |
| 79. |
The projection of a traverse line on a line perpendicular to the meridian is known as |
| A. | latitude of the line |
| B. | departure of the line |
| C. | bearing of the line |
| D. | co-ordinate of the line |
| Answer» C. bearing of the line | |
| 80. |
The power of a telescope to form distinguishable images of objects separated by small angular distance is called its |
| A. | definition |
| B. | brightness |
| C. | sensitivity |
| D. | resolving power |
| Answer» E. | |
| 81. |
The temporary adjustments of a prismatic compass are |
| A. | (0, (iii), 00 |
| B. | (0, (ii), (iii) |
| C. | (ii), (iii), 0) |
| D. | (in), (i), (ii) |
| Answer» C. (ii), (iii), 0) | |
| 82. |
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to |
| A. | only (i) |
| B. | both (i) and (iv) |
| C. | only (iii) |
| D. | both (ii) and (iii) |
| Answer» C. only (iii) | |
| 83. |
The graduations in prismatic compass |
| A. | (i) and (iii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (ii) and (iv) |
| Answer» B. (i) and (iv) | |
| 84. |
The autogenous curve of an automobile corresponds to a |
| A. | cubic parabola |
| B. | clothoid spiral |
| C. | true spiral |
| D. | lemniscate |
| Answer» E. | |
| 85. |
In a lemniscate curve, the angle between the tangent at the end of the polar ray and the tangent at the commencement of the curve (i.e. straight) is |
| A. | equal to |
| B. | double |
| C. | three times |
| D. | four times |
| Answer» D. four times | |
| 86. |
Collimation method is used in |
| A. | profile levelling |
| B. | differential levelling |
| C. | check levelling |
| D. | both (a) and (b) |
| Answer» B. differential levelling | |
| 87. |
For removing the parallex, |
| A. | the eye-piece should be focussed for distinct vision of cross-hairs |
| B. | the image of the object should be brought in the plane of cross-hairs |
| C. | either (a) or (b) |
| D. | both (a) and (b) |
| Answer» E. | |
| 88. |
The value of additive constant for the tacheometer varies from |
| A. | 0 to 15 cm |
| B. | 15 to 30 cm |
| C. | 30 to 45 cm |
| D. | 45 to 60 cm |
| Answer» D. 45 to 60 cm | |
| 89. |
The mimiting length of the offset is |
| A. | 5 m |
| B. | 10 m |
| C. | 15 m |
| D. | 20 m |
| Answer» D. 20 m | |
| 90. |
At the magnetic poles, the amount of dip is |
| A. | 0? |
| B. | 45? |
| C. | 60? |
| D. | 90? |
| Answer» E. | |
| 91. |
The vertical distance between any two consecutive contours is called |
| A. | vertical equivalent |
| B. | horizontal equivalent |
| C. | contour interval |
| D. | contour gradient |
| Answer» D. contour gradient | |
| 92. |
When the measured length is less than the actual length, the error is known as |
| A. | positive error |
| B. | negative error |
| C. | compensating error |
| D. | instrumental error |
| Answer» C. compensating error | |
| 93. |
The working from whole to the 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 |
| Answer» E. | |
| 94. |
In levelling, the effect of refraction varies with the atmospheric conditions |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 95. |
The principle of tacheometry is used |
| A. | for locating contours |
| B. | on hydrographic surveys |
| C. | for filling in detail in topographic surveys |
| D. | all of these |
| Answer» E. | |
| 96. |
The capacity of telescope of producing a sharp image is called its |
| A. | definition |
| B. | brightness |
| C. | sensitivity |
| D. | magnification |
| Answer» B. brightness | |
| 97. |
An angle measured clockwise from the proceeding survey line to the following survey line is called |
| A. | direct angle |
| B. | vertical angle |
| C. | horizontal angle |
| D. | deflection angle |
| Answer» B. vertical angle | |
| 98. |
The line joining the points having the same elevation above the datum surface, is called a |
| A. | contour surface |
| B. | contour line |
| C. | contour interval |
| D. | dontour gradient |
| Answer» C. contour interval | |
| 99. |
In plane table surveying, field work is recorded in a field book to be plotted afterwards. |
| A. | Agree |
| B. | Disagree |
| Answer» C. | |
| 100. |
The difference is length between the arc and the subtended chord on the surface of the earth for a distance of 18.2 km is only |
| A. | 10 mm |
| B. | 30 mm |
| C. | 50 mm |
| D. | 100 mm |
| Answer» B. 30 mm | |