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Showing posts from April, 2023

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The distance between successive vehicles moving in the same line measured from head at any instance is-

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 Question-Answer The distance between successive vehicles moving in the same line measured from head at any instance is (a) the space headway (b) the time headway (c) the one-way stream (d) the head-way stream Show Answer (A) The roads which are provided with a hard pavement course having at least a water bound macadam (WBM) layer are classified as (a) Paved roads (b) Unpaved roads (c) Surface roads (d) Unsurfaced roads Show Answer (A) The planning surveys about engineering studies consists of (a) Income per capita (b) Living standard (c) Traffic volume (d) Road location and alignment studies Show Answer (D) A cipolletti weir has length of 2.0 m and head over the weir is 1 m. What is the discharge over the weir? (Take C d = 0.62) (a) 10.35 m3/s (b) 3.66 m3/s (c) 45.21 m3/s (d) 75.68 m3/s Show Answer (B) Q = 2 /3 C d (2g) 1/2 H 3\2 Which on...
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Question-Answer Plate bearing test,highway constructionwork,and cant

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Which one of the following tests is carried out using a relatively large diameter plate to evaluate the load supporting capacity of pavement layers? (a) California bearing ratio test (b)California resistance value test (c) Triaxial compression test (d) Plate bearing test Show Answer (D) Consider the following aspects of human vision which are important for a traffic engineer: 1. Field of vision 2. Visual acuity 3. Colour perception Which of the above aspects are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 Show Answer (D) The survey of the highway construction work for preparation of longitudinal and cross sections, computations of earth work quantities; and other construction material and checking details of geometric design elements is carried out in (a) Reconnaissance survey (b) Preliminary survey (c) Location of final alignment (d) Detailed survey Show...
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QUESTION-ANSWER - CEMENT CONCRETE PAVEMENTS MAXIMUM UTILITY PER UNIT LENGTH AND TUNNELING

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Question-Answer The longitudinal joints in cement concrete pavements are constructed with suitable (a) tie bars (b) torsion rods (c) small spacing (d) shear rods Show Answer (A) In which one of the following systems the optimum road length is calculated for an area based on the concept of obtaining maximum utility per unit length of road? (a) Saturation system (b) Unsaturated system (c) Minimum utility system (d) Average utility system Show Answer (A) Which one of the following alignments is obtained by development accompanied by tunneling? (a) Valley alignment (b) Cross country alignment (c) Mountain alignment (d) Zig-zag alignment Show Answer (C) The alignment of a tunnel constructed as part of a development project would depend on various factors, such as the topography of the area, the geological conditions, and the tunnel's purpose. A zig-zag alignment would not typically be...
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SAFE STOPPING SIGHT DISTANCE AND ECONOMIC DESIGN OF MODERN TRACK

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Question-Answer The design speed for a two-way traffic on a two way lane road is 50 kmph. What is the value of safe stopping sight distance, if co-efficient of friction is 0.37 and reaction time of driver as 2.5 sec? (a) 34.8 m (b) 61.4 m c) 122.8 m (d) 193.5 m Show Answer (B) 61.4 m SSD = 0.278V.t + V 2 /254f SSD = 0.278 × 50 × 2.5 × 50 2 /(254 × .37) SSD = 61.4m Consider the following statements related to economic design of modern track: 1. Axle loading, possible weight reduction of the rolling stock and increase in number of axles should be rationalized. 2. Rail to sleeper fastenings for different type of sleepers at high speeds should have definite standards. 3. The weight of the sleeper and the rail may not be related to each other. Which of the above statements are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 Show Answer (A) A modern track has to be rationalized in vi...
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Low-altitude aerial photographs, Length of Curve and Long cord

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In multilevel classification system, Level IV classification is suitable for (a) Landsat MSS images (b) High-altitude aerial photographs (c) Low-altitude aerial photographs (d) Medium-altitude aerial photographs Show Answer (C) LOW-ALTITUDE AERIAL PHOTOGRAPH LEVEL SYSTEM IMAGE SCALE I Landsat TM and MSS images; AVHRR images Smaller than 1:250,000 II High-altitude aerial photographs; TM  and SPOT images AVHRR images (with ancilliary data) 1:80,000 to 1:250, 000 III Medium-altitude aerial photographs 1:20,000 to 1:80, 000 ...
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In Map versus Aerial photograph, due to symbolic representation the clarity of details is -

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Question-Answer: In Map versus Aerial photograph, due to symbolic representation the clarity of details is (a) less on map than on a photo (b) more on map than on a photo (c) less on a photo than on map (d) more on a photo than on map show answer Ans. (b) explaination Differences between Map and Aerial Photograph, 1. The map is an orthographic projection, whereas an aerial photograph is a central projection, i.e. perspective projection. 2. The map has a single constant scale, whereas it varies from point to point depending upon their elevations in an aerial photograph. In the case of the photograph, the terrain area which has higher elevation is closer to the camera and therefore appears larger than the terrains area laying at a lower elevation. 3. The number of details on a map are selective whereas in a aerial photograph there is a large number of details. 4. Due to the symbolic representation, the clarity of details is more on the maps than on photo. next Q...
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The levelling is carried out between two stations P and Q separated by 1000 m. The Back Sight (BS) reading is noted as 0.70 m on station P, whose BM is 240.00 m. Next, the Fore Sight (FS) reading is taken on an intermediate point and the value is 1.25 m. Then the instrument is shifted to a new location and BS is taken on intermediate point as 0.85 m. Finally, the FS reading is taken on station Q as 1.10 m. What is the Reduced Level of Q?

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Question-Answer: The levelling is carried out between two stations P and Q separated by 1000 m. The Back Sight (BS) reading is noted as 0.70 m on station P, whose BM is 240.00 m. Next, the Fore Sight (FS) reading is taken on an intermediate point and the value is 1.25 m. Then the instrument is shifted to a new location and BS is taken on intermediate point as 0.85 m. Finally, the FS reading is taken on station Q as 1.10 m. What is the Reduced Level of Q? (a) 239.20 m (b) 240.80 m (c) 241.25 m (d) 241.80 m show answer Ans. (a) explaination so R.L. of Q POINTS BS FS HI RL P .7 240.7 240 INTERMEDIATE .85 1.25 240.3 239.45 Q 1.1 239.2 239.20m next Question-Answer civil engineering study
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A line AB between the stations A and B was measured as 348.28 m using a 20 m tape, too short by 0.05 m. What is the correct length of line AB?

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Question-Answer: A line AB between the stations A and B was measured as 348.28 m using a 20 m tape, too short by 0.05 m. What is the correct length of line AB? (a) 349.15 m (b) 348.41 m (c) 347.41 m (d) 346.15 m show answer Ans. (c) explaination giver Designated length of tape L = 20m Incorrect length of tape,L' = 20 - .05 = 19.95 Measured length of line AB l' = 248.28 m Let, True length of AB = l As we know, l×L = L'×l' = 20 × l = 248.28 × 19.95 = 347.41 next Question-Answer civil engineering study
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Which one of the following consists of horizontal and vertical location of certain points by linear and angular measurements and is made to determine the natural features of a country?

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Question-Answer: Which one of the following consists of horizontal and vertical location of certain points by linear and angular measurements and is made to determine the natural features of a country? (a) Cadastral survey (b) Topographical survey (c) Astronomical survey (d) Military survey show answer Ans. (b) explanation 1 Topographical survey consists of horizontal and vertical location of certain points by linear and angular measurement and is made to determine the natural features of a country such as rivers, streams, lakes hills etc. and artificial features as roads, railways, canals, towns and villages. next Question-Answer civil engineering study
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Which one statements is NOT correct - Trigonometric leveling used in geodetic surveying

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Question-Answer: Which one of the following statements is NOT correct? (a) Trigonometric levelling has never been used in geodetic surveys (b) The differences in elevation are determined indirectly by trigonometric levelling (c) The electronic distance measurement devices can be used for measuring the vertical distances (d) The combined effects of curvature and refraction produce vertical readings that are slightly too short show answer Ans. (a) explaination 1 Trigonometric leveling is used in geodetic surveying, particularly in areas where traditional leveling methods are not feasible or practical, such as in mountainous regions or areas with dense vegetation. next Question-Answer civil engineering study
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Dip fault is a fault plane parallel to the dip of beds

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Question-Answer:  Dip fault is a fault plane (a) parallel to the dip of beds (b) parallel to the strike of a bedding plane (c) diagonal to the dip of a bedding plane (d) with no relationship to the bedding plane show answer Ans.(a) explaination Dip fault runs parallel to the dip of the bed, cut across the strike of the bed. It is a fault that runs perpendicular to the strike of the affected rocks. i.e. parallel to the plane of the angle of dip of the rocks next Question-Answer civil engineering study
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Correct statement sub-surface investigation: To establish the geological profile.To establish Hydrogeological conditions

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Question-Answer: Consider the following objectives related to the sub-surface investigation: 1. To establish the geological profile. 2. To establish Hydrogeological conditions. 3. To monitor future changes in ground conditions through instrumentation.  Which of the above objectives are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 show answer Ans. (d) explaination Objectives of sub-surface investigation: 1. To establish the geological profile. 2. To determine engineering properties for the various unit within the eventual ground model. 3. To establish hydrogeological conditions. 4. To monitor future changes in ground condition through instrumentation. next Question-Answer civil engineering study
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Which one of the following statements is NOT correct porosity rock grains size and shape and mechanical processes

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Question-Answer: Which one of the following statements is NOT correct? (a) The porosity of rock depends upon size and shape of the rock grains (b) Specific gravity is useful for calculating the rock over burden stress (c) The porosity does not depend on rock mechanical processes (d) The porosity of spherical rock grains is high in case of cubic packing show answer Ans. (c) explaination 1 Porosity of a rock depends upon grain size distribution, shape, the presence of cement between the grains developed to different degrees. The porosity of spherical rock grain is high is case of cubic packing. next Question-Answer civil engineering study
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Which one of the following is the part of assumptions made by Terzaghi while developing the mathematical statement of the consolidation process?

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Question-Answer: Which one of the following is the part of assumptions made by Terzaghi while developing the mathematical statement of the consolidation process? (a) The soil is non-homogeneous (b) The soil particles and water are incompressible (c) The partial deformation of soil is due to partial change in volume (d) Coefficient of permeability is variable during consolidation show answer Ans. (b) explaination • Soil is homogeneous. • Soil is fully saturated. • Solid particles are incompressible. • Compression and flow are one dimensional. • Strains in the soil are relatively small. • Darcy’s law is valid. • Coefficient of permeability and coefficient of volume compressibility remains constant. next Question-Answer civil engineering study
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Which one of the following is a correct general consideration for a mechanically stabilized earth wall failure? - CIVIL ENGINEERING

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Question-Answer: Which one of the following is a correct general consideration for a mechanically stabilized earth wall failure? (a) Compression in reinforcement (b) Bearing capacity  failure (c) Shearing in the wall (d) Partly sliding of wall soil show answer Ans. (b) explaination Mechanically stabilized earth wall failure. Question-Answer civil engineering study
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Which one of the following is an assumption made by Coulomb in the development of his earth pressure theory for sand and for active state?

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Question-Answer: Which one of the following is an assumption made by Coulomb in the development of his earth pressure theory for sand and for active state? (a) The rupture surface is non-uniform surface  (b) There is a wall friction on the pressure surface  (c) Failure is three dimensional  (d) The soil is cohesive   Ans. (b) show answer Assumptions of Coulomb’s theory: 1. Soil is homogeneous, isotropic, semi infinite, dry and cohesion-less.  2. Face of wall in contact with backfill is vertical or inclined and is rough.  3. The failure wedge acts as a rigid body and stresses over it are uniform distributed.  4. The failure is essentially 2D and rupture surface is planer which passes from heel of the wall.  5. The location and direction of resultant thrust is known which passes from lower third point of the wall by assuming triangular distribution of ear...
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By means of Boussinesq’s stress distribution theory, which one of the following pressure distribution diagrams can be prepared?

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Question-Answer: By means of Boussinesq’s stress distribution theory, which one of the following pressure distribution diagrams can be prepared? (a) Strain isobar  (b) Vertical pressure distribution on a horizontal plane  (c) Vertical pressure distribution on an inclined plane  (d) Pressure distribution diagram on an oblique plane  Ans. (b) show answer Ans. (b) Boussinesq’s stress distribution theory is used for vertical pressure distribution on horizontal plane, vertical pressure distribution on vertical plane and stress isobar. Question-Answer civil engineering study
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The length of a line originally 100 mm long on a map plotted to a scale of 1/1000, was found to be 96 mm due to shrinkage of the map. The map prepared using a tape of length 20 m was later found to be actually 20.03 m. If a certain area on the map, measured using a planimeter, is 282 mm2, what is the correct area on the ground?

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Question-Answer: The length of a line originally 100 mm long on a map plotted to a scale of 1/1000, was found to be 96 mm due to shrinkage of the map. The map prepared using a tape of length 20 m was later found to be actually 20.03 m. If a certain area on the map, measured using a planimeter, is 282 mm 2 , what is the correct area on the ground? (a) 237 m2 (b) 307 m2 (c) 347 m2 (d) 397 m2 show answer Ans. (b) explanation Shrunk scale = Shrinkage factor × Original scale shrunk scale = 96/100 × 1 / 1000 next Question-Answer civil engineering study Related questions
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A footing 3m×1.5m in plan transmits a pressure of 160 kN/m2 on a cohesive soil having E= 8×10^4 kN/m2 and µ=0.48. What is the immediate settlement at the centre, assuming the footing to be flexible? (Take Iw = 1.52)

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Question-Answer: A footing 3m×1.5m in plan transmits a pressure of 160 kN/m 2 on a cohesive soil having E= 8×10 4 kN/m2 and µ=0.48. What is the immediate settlement at the centre, assuming the footing to be flexible? (Take  I w = 1.52) (a) 2.11 mm  (b) 3.21 mm  (c) 3.51 mm  (d) 4.62 mm show answer Ans. (c) 3.51mm Immediate settlement or elastic settement is given as, s = qB(1-µ 2 )I w / E Question-Answer civil engineering study
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Which one of the following coffer dams is suitable for small heights?

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Question-Answer: Which one of the following coffer dams is suitable for small heights? (a) Cantilever sheet pile coffer dam  (b) Braced coffer dam  (c) Embankment protected coffer dam  (d) Double wall coffer dam show answer Ans. (a) A coffer dam may be made of earth materials, timber or steel sheet piling. Cantilever sheet pile coffer dams are suitable for small heights, since these are susceptible to large leakage and flood damage. Question-Answer civil engineering study
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The unified classification system is based on the recognition of the type and predominance of the constituents considering

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Question-Answer: The unified classification system is based on the recognition of the type and predominance of the constituents considering (a) grain length  (b) gradation  (c) elasticity  (d) non- compressibility show answer Ans. (b) Unified classification system is based on recognition of the type and predominance of the constituents considering grain size, gradation, plasticity and compressibility Question-Answer civil engineering study
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Consider the following statements related to ultimate bearing capacity of footing based on the SPT and CPT values:

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Question-Answer: Consider the following statements related to ultimate bearing capacity of footing based on the SPT and CPT values: 1. The empirical correlations established in the USA between N and soil properties indicate the value of N conforms to certain standard energy ratios.  2. The value of N to be used for getting φ is the corrected values for standard energy.  3. The angle φ obtained by this method can’t be used for obtaining the bearing capacity factors. Which of the above statements are correct? (a) 1 and 2 only  (b) 2 and 3 only  (c) 1 and 3 only  (d) 1, 2 and 3 show answer Ans. (a) The angle φ obtained by using N values can be used to find out the values of bearing capacity factor. Question-Answer civil engineering study
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Which one of the following is an advantage when geotextiles is used in road works?

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Question-Answer: Which one of the following is an advantage when geo-textiles is used in road works? (a) Prior stripping of the natural soil  (b) Economy of aggregate  (c) Increase of different settings  (d) Slower consolidation of fills show answer Ans. (b) The most frequent role of geotextiles is road construction is as a separator between the subgrade and subbase. This prevents the subgrade material from intruding into sub-base due to repeated traffic loading. The savings in sub-base materials, which would otherwise be lost due to mixing with the subgrade. Question-Answer civil engineering study
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Which one of the following is NOT the common nomenclature of geosynthetics?

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Question-Answer: Which one of the following is NOT the common nomenclature of geosynthetics? (a) Geotextiles  (b) Geogrids  (c) Geogrouts  (d) Geonets show answer (c) Geosynthetics are the synthetic fabrics used in various geotechnical applications such as road and railway embankments, earth dikes and coastal protection structures designed to perform one or more basic functions such as filtration, drainage, separation of soil layers, reinforcement or stablizations. Various Geosynthetic are Geotextiles, Geogrids, Geonets, Geosynthetic clay linear, Geomembrane, Geocomposity, Geofoams. Question-Answer civil engineering study
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The ultimate bearing capacity is the minimum gross pressure:

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Question-Answer: The ultimate bearing capacity is  (a) the minimum net pressure intensity causing shear failure of soil (b) the minimum gross pressure at the lose of the foundation at which the soils fails in shear. (c) the difference in intensities of the gross pressure after the construction of the structure. (d) the total pressure at the base of the footing due to the weight of the superstructure show answer (b) Ultimate bearing capacity is the minimum gross pressure intensity at the base of foundation at which the soil fails in shear. In other word Ultimate bearing capacity is the maximum gross pressure the soil can support without shear failure. Question-Answer civil engineering study
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According to Terzaghi, a foundation is shallow if its

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Question-Answer: According to Terzaghi, a foundation is shallow if its, (a) depth is equal to or less than its width (b) depth is twice the width (c) width is thrice the depth (d) width is one fourth of depth show answer (a) depth is equal to or less than its width According to Terzaghi, For shallow foundation, `D/B ≤ 1` For deep foundation, D/B > 1 Question-Answer civil engineering study
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