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This section includes 492 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
101. |
The prismatic compass and surveyor’s compass________________? |
A. | give whole circle bearing (WCB. of a line and quadrantal bearing (QB. of a line respectively |
B. | both give QB of a line and WCB of a line |
C. | both give QB of a line |
D. | both give WCB of a line |
Answer» B. both give QB of a line and WCB of a line | |
102. |
The permissible error in chaining for measurement with chain on rough or hilly ground is_____________? |
A. | 1 in 100 |
B. | 1 in 250 |
C. | 1 in 500 |
D. | 1 in 1000 |
Answer» C. 1 in 500 | |
103. |
The number of horizontal cross wires in a stadia diaphragm is ________________? |
A. | one |
B. | two |
C. | three |
D. | four |
Answer» D. four | |
104. |
The methods used for locating the plane table stations are_______________?_x005F_x000D_1. radiation_x005F_x000D_2. traversing_x005F_x000D_3.intersection_x005F_x000D_4. resection_x005F_x000D_The correct answer is |
A. | (1) and (2) |
B. | (3) and (4) |
C. | (2) and (4) |
D. | (1) and (3) |
Answer» D. (1) and (3) | |
105. |
The maximum tolerance in a 20 m chain is_______________? |
A. | ±2 mm |
B. | ±3 mm |
C. | ±5 mm |
D. | ±8 mm |
Answer» D. ±8 mm | |
106. |
The length of a chain is measured from_______________? |
A. | centre of one handle to centre of other handle |
B. | outside of one handle to outside of other handle |
C. | outside of one handle to inside of other handle |
D. | inside of one handle to inside of other handle |
Answer» C. outside of one handle to inside of other handle | |
107. |
The instrument used for accurate centering in plane table survey is________________? |
A. | spirit level |
B. | alidade |
C. | plumbing fork |
D. | trough compass |
Answer» D. trough compass | |
108. |
The horizontal angle between the true meridian and magnetic meridian at a place is called______________? |
A. | azimuth |
B. | declination |
C. | local attraction |
D. | magnetic bearing |
Answer» C. local attraction | |
109. |
The graduations in prismatic compass_____________?_x005F_x000D_1. are inverted_x005F_x000D_2. are upright_x005F_x000D_3. run clockwise having 0° at south_x005F_x000D_4. run clockwise having 0° at north_x005F_x000D_The correct answer is ? |
A. | (1) and (3) |
B. | (1) and (4) |
C. | (2) and (3) |
D. | (2) and (4) |
Answer» B. (1) and (4) | |
110. |
The following sights are taken on a “turning point”________________? |
A. | foresight only |
B. | backsight only |
C. | foresight and backsight |
D. | foresight and intermediate sight |
Answer» D. foresight and intermediate sight | |
111. |
The error due to eccentricity of inner and outer axes can be eliminated by________________? |
A. | reading both verniers and taking the mean of the two |
B. | taking both face observations and taking the mean of the two |
C. | double sighting |
D. | taking mean of several readings distributed over different portions of the graduated circle |
Answer» B. taking both face observations and taking the mean of the two | |
112. |
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________? |
A. | equidistant from A and B |
B. | closer to the higher station |
C. | closer to the lower station |
D. | as far as possible from the line AB |
Answer» B. closer to the higher station | |
113. |
The difference between a level line and a horizontal line is that_______________? |
A. | level line is a curved line while hori-zontal line is a straight line |
B. | level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line |
C. | horizontal line is normal to plumb line while level line may not be normal to the plumb line |
D. | both are same |
Answer» B. level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line | |
114. |
The cross hairs in the surveying telescope are placed_____________? |
A. | midway between eye piece and objec¬tive lens |
B. | much closer to the eye-piece than to the objective lens |
C. | much closer to the objective lens than to the eye piece |
D. | anywhere between eye-piece and objective lens |
Answer» C. much closer to the objective lens than to the eye piece | |
115. |
The correction for sag is_________________? |
A. | always additive |
B. | always subtractive |
C. | always zero |
D. | sometimes additive and sometimes subtractive |
Answer» C. always zero | |
116. |
The angle of intersection of the two plane mirrors of an optical square is______________? |
A. | 30° |
B. | 45° |
C. | 60° |
D. | 90° |
Answer» C. 60° | |
117. |
The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________? |
A. | deflection angle |
B. | included angle |
C. | direct angle |
D. | none of the above |
Answer» B. included angle | |
118. |
The allowable length of an offset depends upon the______________? |
A. | degree of accuracy required |
B. | method of setting out the perpendiculars and nature of ground |
C. | scale of plotting |
D. | all of the above |
Answer» E. | |
119. |
The adjustment of horizontal cross hair is required particularly when the instrument is used for_____________? |
A. | leveling |
B. | prolonging a straight line |
C. | measurement of horizontal angles |
D. | all of the above |
Answer» B. prolonging a straight line | |
120. |
Refraction correction________________? |
A. | completely eliminates curvature correction |
B. | partially eliminates curvature correction |
C. | adds to the curvature correction |
D. | has no effect on curvature correction |
Answer» C. adds to the curvature correction | |
121. |
Overturning of vehicles on a curve can be avoided by using ________________? |
A. | compound curve |
B. | vertical curve |
C. | reverse curve |
D. | transition curve |
Answer» E. | |
122. |
Normal tension is that pull which_______________? |
A. | is used at the time of standardising the tape |
B. | neutralizes the effect due to pull and sag |
C. | makes the correction due to sag equal to zero |
D. | makes the correction due to pull equal to zero |
Answer» C. makes the correction due to sag equal to zero | |
123. |
Local attraction in compass surveying may exist due to________________? |
A. | incorrect levelling of the magnetic needle |
B. | loss of magnetism of the needle |
C. | friction of the needle at the pivot |
D. | presence of magnetic substances near the instrument |
Answer» E. | |
124. |
Intersection method of detailed plotting is most suitable for________________? |
A. | forests |
B. | urban areas |
C. | hilly areas |
D. | plains |
Answer» D. plains | |
125. |
In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as______________? |
A. | W23°30’N |
B. | N66°30’W |
C. | S113°30’N |
D. | N23°30’W |
Answer» C. S113°30’N | |
126. |
In the prismatic compass______________? |
A. | the magnetic needle moves with the box |
B. | the line of the sight does not move with the box |
C. | the magnetic needle and graduated circle do not move with the box |
D. | the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction |
Answer» D. the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction | |
127. |
In the double application of principle of reversion, the apparent error is_______________? |
A. | equal to true error |
B. | half the true error |
C. | two times the true error |
D. | four times the true error |
Answer» E. | |
128. |
In the cross-section method of indirect contouring, the spacing of cross-sections depends upon_____________?_x005F_x000D_1. contour interval_x005F_x000D_2. scale of plan_x005F_x000D_3. characteristics of ground_x005F_x000D_The correct answer is ? |
A. | only (1) |
B. | (1) and (2) |
C. | (2) and (3) |
D. | (1), (2) and (3) |
Answer» E. | |
129. |
In direct method of contouring, the process of locating or identifying points lying on a contour is called_______________? |
A. | ranging |
B. | centring |
C. | horizontal control |
D. | vertical control |
Answer» E. | |
130. |
In an internal focussing type of telescope, the lens provided is_______________? |
A. | concave |
B. | convex |
C. | plano-convex |
D. | plano-concave |
Answer» B. convex | |
131. |
If the true bearing of a line AB is 269° 30′, then the azimuth of the line AB is_____________? |
A. | 0° 30′ |
B. | 89° 30′ |
C. | 90° 30′ |
D. | 269° 30′ |
Answer» D. 269° 30′ | |
132. |
If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be_______________? |
A. | true R.L |
B. | more than true R.L |
C. | less than true R.L |
D. | none of the above |
Answer» D. none of the above | |
133. |
If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is_________________? |
A. | 99.345 m |
B. | 100.345 m |
C. | 100.655m |
D. | 101.870m |
Answer» B. 100.345 m | |
134. |
If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be________________? |
A. | +50 m, +86.6 m |
B. | +86.6 m, -50 m |
C. | +50m, -86.6 m |
D. | +70.7 m,-50 m |
Answer» C. +50m, -86.6 m | |
135. |
If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is________________? |
A. | 77° N |
B. | 23° S |
C. | 13° E |
D. | 13° W |
Answer» D. 13° W | |
136. |
If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated____________? |
A. | on its outer spindle with a relative motion between the vernier and graduated scale of lower plate |
B. | on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate |
C. | on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate |
D. | on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate |
Answer» D. on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate | |
137. |
If the length of a chain is found to be short on testing, it can be adjusted by______________? |
A. | straightening the links |
B. | removing one or more small circular rings |
C. | closing the joints of the rings if opened out |
D. | all of the above |
Answer» B. removing one or more small circular rings | |
138. |
If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________? |
A. | 7.5 m |
B. | 25 m |
C. | 50 |
D. | 75 m |
Answer» E. | |
139. |
If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to_______________? |
A. | d |
B. | 1/d |
C. | d2 |
D. | 1/d2 |
Answer» D. 1/d2 | |
140. |
If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is_______________? |
A. | 0.1 |
B. | 0.4 |
C. | 0.6 |
D. | 1.33 |
Answer» C. 0.6 | |
141. |
If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________? |
A. | NE quadrant |
B. | SE quadrant |
C. | NW quadrant |
D. | SW quadrant |
Answer» C. NW quadrant | |
142. |
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_________________?_x005F_x000D_1. altitude bubble on index frame_x005F_x000D_2. altitude bubble on index frame if it is to be used as a level_x005F_x000D_3. altitude bubble on telescope_x005F_x000D_4. altitude bubble on telescope if it is to be used as a level_x005F_x000D_The correct answer is? |
A. | only (1) |
B. | both (1) and (4) |
C. | only (3) |
D. | both (2) and (3) |
Answer» C. only (3) | |
143. |
If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will_________________? |
A. | increase |
B. | decrease |
C. | not change |
D. | either ‘a’ or ‘b’ |
Answer» B. decrease | |
144. |
Horizontal distances obtained by thermometric observations_________________? |
A. | require slope correction |
B. | require tension correction |
C. | require slope and tension corrections |
D. | do not require slope and tension corrections |
Answer» E. | |
145. |
For accurate work, the steel band should always be used in preference to chain because the steel band______________? |
A. | is lighter than chain |
B. | is easier to handle |
C. | is practically inextensible and is not liable to kinks when in use |
D. | can be easily repaired in the field |
Answer» D. can be easily repaired in the field | |
146. |
For a well-conditioned triangle, no angle should be less than______________? |
A. | 20° |
B. | 30° |
C. | 45° |
D. | 60° |
Answer» C. 45° | |
147. |
For a tacheometer the additive and multi-plying constants are respectively________________? |
A. | 0 and 100 |
B. | 100 and 0 |
C. | 0 and 0 |
D. | 100 and 100 |
Answer» B. 100 and 0 | |
148. |
For a line AB_______________? |
A. | the forebearing of AB and back bearing of AB differ by 180° |
B. | the forebearing of AB and back bearing of BA differ by 180° |
C. | both (A. and (B. are correct. |
D. | none is correct |
Answer» B. the forebearing of AB and back bearing of BA differ by 180° | |
149. |
During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is_____________? |
A. | 4 chains |
B. | 6 chains |
C. | 120 m |
D. | 180m |
Answer» C. 120 m | |
150. |
Dumpy level is most suitable when______________? |
A. | the instrument is to be shifted frequently |
B. | fly levelling is being done over long distance |
C. | many readings are to be taken from a single setting of the instrument |
D. | all of the above |
Answer» D. all of the above | |