1. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as
ⓐ. transition curve
ⓑ. vertical curve
ⓒ. compound curve
ⓓ. reverse curve
Correct Answer: compound curve
Explanation: If the length of a transition curve allows the full super elevation to be attained at the junction with the circular curve, the resultant curve is known as a compound curve.
2. The angle subtended by the long chord of a simple curve at its center is equal to
ⓐ. deflection angle
ⓑ. 2* deflection angle
ⓒ. 3* deflection angle
ⓓ. none of the above
Correct Answer: deflection angle
Explanation: The angle subtended by the long chord of a simple curve at its center is equal to the deflection angle. Understanding this angle is crucial in the layout and design of curved segments in transportation engineering.
3. The chord of curve less than peg interval is known as
ⓐ. small chord
ⓑ. short chord
ⓒ. long chord
ⓓ. sub chord
Correct Answer: sub chord
Explanation: The chord of a curve less than the peg interval is known as the sub chord. Understanding the terminology associated with curved segments is essential for accurate design and construction.
4. The Normal chord of a curve should be
ⓐ. less than sub chord
ⓑ. equal to sub chord
ⓒ. greater than sub chord
ⓓ. all of the above
Correct Answer: greater than sub chord
Explanation: The Normal chord of a curve should be greater than the sub chord. Understanding the relationship between these elements is crucial in ensuring the proper design and layout of curved segments.
5. The shape of the vertical curve generally used is
ⓐ. circular
ⓑ. parabolic
ⓒ. spiral
ⓓ. elliptical
Correct Answer: parabolic
Explanation: The shape of the vertical curve generally used is parabolic. Understanding the characteristics and design features of different types of vertical curves is essential in transportation engineering.
6. The angle of intersection of a curve is the angle between
ⓐ. forward tangent and long chord
ⓑ. back tangent and long chord
ⓒ. back tangent and forward tangent
ⓓ. none of the above
Correct Answer: back tangent and forward tangent
Explanation: The angle of intersection of a curve is the angle between the back tangent and forward tangent. Understanding this angle is crucial in the layout and design of curved segments in transportation engineering.
7. Find the length of curve if radius of curve
ⓐ. 60 m
ⓑ. 63 m
ⓒ. 10 m
ⓓ. 47 m
Correct Answer: 10 m
Explanation: Given the radius of the curve as 10 m, calculating the length of the curve is essential in planning and designing curved segments in various engineering projects.
8. Boning rod is used
ⓐ. setting out of sewer
ⓑ. setting out of road
ⓒ. setting out of canal
ⓓ. all of the above
Correct Answer: setting out of sewer
Explanation: A boning rod is used in the setting out of sewers. Understanding the equipment and tools used in the construction of various infrastructure elements is crucial for accurate and efficient construction.
9. The instrument used to reproduce plans to a different scale is called
ⓐ. planimeter
ⓑ. clinometer
ⓒ. ghat tracer
ⓓ. pentagraph
Correct Answer: pentagraph
Explanation: The instrument used to reproduce plans to a different scale is called a pentagraph. Understanding the tools and instruments used in the field of surveying and mapping is crucial for accurate and detailed work.
10. The instrument used for measuring area on a contour map is
ⓐ. graph meter
ⓑ. planimeter
ⓒ. area meter
ⓓ. clinometers
Correct Answer: planimeter
Explanation: A planimeter is the instrument used for measuring area on a contour map. Understanding the use and application of different surveying instruments is essential in accurately assessing and representing geographical features.
11. The device used in computing the horizontal and vertical distances rapidly and conveniently is
ⓐ. stadia tables
ⓑ. stadia diagrams
ⓒ. stadia slide rule
ⓓ. none of the above
Correct Answer: stadia slide rule
Explanation: The stadia slide rule is a device used for computing horizontal and vertical distances rapidly and conveniently in surveying. It simplifies distance calculations in the field.
12. *The instrument used to measure horizontal and vertical angle is
ⓐ. planimeter
ⓑ. clinometer
ⓒ. ghat tracer
ⓓ. sextant
Correct Answer: sextant
Explanation: A sextant is the instrument used to measure horizontal and vertical angles. It is commonly used for navigation and angle measurement.
13. Direct distance measurement method is more suitable to measure in
ⓐ. hilly area
ⓑ. plain area
ⓒ. line of sight
ⓓ. none of the above
Correct Answer: plain area
Explanation: Direct distance measurement methods are more suitable for measuring distances in plain areas where obstacles and terrain variations are minimal.
14. The range of accuracy in measuring distance by EDM with respect to ODM is
ⓐ. more
ⓑ. equal
ⓒ. less
ⓓ. none of the above
Correct Answer: more
Explanation: Electronic Distance Measurement (EDM) typically provides a higher level of accuracy compared to Optical Distance Measurement (ODM) methods.
15. Distomats is a type of
ⓐ. direct distance measuring instrument
ⓑ. optical distance measuring instrument
ⓒ. electromagnetic distance measuring instrument
ⓓ. none of the above
Correct Answer: electromagnetic distance measuring instrument
Explanation: A Distomat is an electromagnetic distance measuring instrument used in surveying to measure distances accurately.
16. Tellurometer uses
ⓐ. light waves
ⓑ. radio waves
ⓒ. infra waves
ⓓ. all of the above
Correct Answer: radio waves
Explanation: A Tellurometer employs radio waves for distance measurement in surveying applications.
17. *Total station is
ⓐ. total no. of stations in traverse
ⓑ. even/odd no. of stations in traverse
ⓒ. optical distance measurement instrument
ⓓ. electromagnetic distance measurement instrument
Correct Answer: electromagnetic distance measurement instrument
Explanation: A Total Station is an electromagnetic distance measurement instrument commonly used in surveying for its integrated capabilities.
18. *Total station measures
ⓐ. horizontal & slope distance
ⓑ. slope & difference in level
ⓒ. difference in level & coordinates
ⓓ. all of the above
Correct Answer: all of the above
Explanation: A Total Station can measure horizontal and slope distances, slopes, differences in level, and coordinates of points, making it a versatile surveying instrument.
19. *Which instrument is not used in plane table
ⓐ. plane table
ⓑ. alidade
ⓒ. altimeter
ⓓ. anchor
Correct Answer: altimeter
Explanation: An altimeter is not typically used in conjunction with a plane table for land surveying.
20. *Error due to imperfect adjustment of plate level is termed as
ⓐ. personal error
ⓑ. instrumental error
ⓒ. natural error
ⓓ. none of the above
Correct Answer: instrumental error
Explanation: Error arising from the imperfect adjustment of the plate level is classified as instrumental error in surveying.
21. *The radius of curvature of the arc of the bubble tube is generally kept
ⓐ. 10 m
ⓑ. 25 m
ⓒ. 50 m
ⓓ. 100 m
Correct Answer: 100 m
Explanation: The radius of curvature of the arc of the bubble tube is typically set to 100 meters in surveying instruments.
22. *Accuracy of ‘fix’ by two-point problem is
ⓐ. bad
ⓑ. good
ⓒ. not reliable
ⓓ. unique
Correct Answer: not reliable
Explanation: The accuracy of a ‘fix’ obtained through the two-point problem in surveying is often considered not reliable, as it may introduce errors.
23. *For the construction of highway/railway
ⓐ. longitudinal sections are required
ⓑ. cross sections are required
ⓒ. both longitudinal and cross sections are required
ⓓ. none of these
Correct Answer: both longitudinal and cross sections are required
Explanation: In the construction of highways or railways, both longitudinal and cross-sectional data are essential for proper design and planning. Longitudinal sections provide information along the route, while cross-sections detail the terrain and features at specific points.
FAQs on Surveying MCQs for Civil Engineers
▸ What is the importance of surveying in civil engineering?
Surveying is crucial in civil engineering as it provides accurate measurements of land and existing structures. This information is essential for planning, designing, and constructing projects. It ensures that the designs align with the real-world conditions and helps in avoiding errors during construction.
▸ What are the common types of surveying used in civil engineering?
Common types of surveying used in civil engineering include land surveying, construction surveying, topographic surveying, and geodetic surveying. Each type serves a specific purpose, from mapping and planning to monitoring construction progress and ensuring structural integrity.
▸ How does surveying contribute to accurate construction projects?
Surveying contributes to accurate construction projects by providing precise measurements and data about the land and existing structures. This helps engineers and architects in creating accurate designs, ensuring proper alignment, and verifying that construction activities follow the planned specifications. Reliable surveying minimizes errors and enhances the quality of the final construction.
▸ What tools are commonly used in surveying for civil engineering?
Common tools used in surveying include total stations, theodolites, GPS systems, and laser scanners. These instruments help in measuring distances, angles, and elevations accurately. Advanced technology such as UAVs (drones) and LiDAR systems are also increasingly used for more detailed and efficient data collection.
▸ What is the role of GPS in modern surveying techniques?
GPS plays a significant role in modern surveying techniques by providing accurate geospatial data. It helps in determining precise locations, mapping large areas, and improving the efficiency of data collection. GPS technology enhances the accuracy of surveys and supports various applications in civil engineering projects.
▸ How does topographic surveying support civil engineering projects?
Topographic surveying supports civil engineering projects by mapping the contours and features of the land. This information is essential for designing infrastructure such as roads, bridges, and buildings. It helps engineers understand the natural landscape, plan drainage systems, and address potential challenges related to landforms and elevations.
▸ What is the difference between land surveying and construction surveying?
Land surveying involves measuring and mapping land and property boundaries for legal and planning purposes. Construction surveying, on the other hand, focuses on the layout and positioning of structures during the construction process. While both types of surveying are essential, land surveying is more concerned with property lines and site preparation, while construction surveying ensures that building elements are correctly placed according to design specifications.
▸ How can civil engineers benefit from using advanced surveying technologies?
Civil engineers benefit from using advanced surveying technologies such as UAVs, LiDAR, and 3D scanning by obtaining highly accurate and detailed data quickly. These technologies improve the precision of surveys, reduce fieldwork time, and provide comprehensive insights for better decision-making and project management. They enhance the ability to analyze and visualize site conditions effectively.
▸ Where can I find practice questions for surveying in civil engineering?
You can find practice questions for surveying in civil engineering on educational websites like https://gkaim.com. These resources offer various quizzes and MCQs to help you test your knowledge and prepare for exams related to surveying and civil engineering.
▸ What is the significance of surveying in the planning stage of civil engineering projects?
Surveying is significant in the planning stage of civil engineering projects as it provides the necessary data about the site’s topography, boundaries, and existing conditions. This information helps in creating accurate project designs, planning construction methods, and identifying potential challenges. Accurate surveying ensures that the project aligns with the real-world conditions and complies with regulatory requirements.
