mcq of Compass Surveying

1. Which of the following situations is NOT suitable for compass surveying? A) Areas with magnetic substances like iron ore B) Areas that cannot be divided into network of triangles C) Surveying through dense forest D) Large areas with many details View Answer A) Areas with magnetic substances like iron ore 2. What is a characteristic of a closed traverse in compass surveying? A) It forms a closed polygon with its sides B) It requires extensive use of triangulation C) It forms a straight line across two points D) It involves only open areas View Answer A) It forms a closed polygon with its sides 3. In compass surveying, why are the graduations on a prismatic compass marked inverted? A) To comply with international standards B) To be viewed correctly through the prism C) To avoid errors in magnetic variation D) To facilitate attachment to the tripod stand View Answer B) To be viewed correctly through the prism 4. What is the main function of the pivot in a prismatic compass? A) To balance the magnetic needle accurately B) To facilitate the attachment to a tripod C) To ensure the compass can be leveled quickly D) To allow adjustment of the sighting slit View Answer A) To balance the magnetic needle accurately 5. Why is compass surveying often employed for long and narrow geographical features? A) It is easier to perform in such areas with a prismatic compass B) It allows for forming a network of triangles easily C) It can ignore detailing and obstacles in such areas D) It can be completed without any linear measurements View Answer A) It is easier to perform in such areas with a prismatic compass 6. Which type of compass is mainly utilized in electronic devices for determining orientation? A) Thumb compass B) Astro compass C) Solid-state compass D) Marine compass View Answer C) Solid-state compass 7. For which specific purpose is the Qibla compass used? A) To navigate maritime vessels B) To identify the direction to Mecca for prayers C) To measure horizontal angles in surveying D) To determine astronomical positions View Answer B) To identify the direction to Mecca for prayers 8. What primary function does the gyro compass serve aboard ships? A) Record marine life movements B) Measure distances between nautical points C) Find true north using gravitational forces D) Provide GPS coordinates View Answer C) Find true north using gravitational forces 9. What distinguishes a prismatic compass from other compasses in terms of its components? A) Uses light for visibility in low-light conditions B) Includes a fixed compass card mounted in fluid C) Contains a GPS for precise navigation D) It uses a triangular glass prism for sighting View Answer D) It uses a triangular glass prism for sighting Related Articles: 35+ Fundamentals of Photogrammetry MCQ Questions & Answers 50+ MCQs of Introduction to Surveying For Exams and Interviews Objectives Questions of Geomatics Engineering For NEC Exam 2081 Kartik 10. In what regions is the astro compass particularly utilized, and why? A) Dense urban centers to avoid signal interference B) Polar regions due to unreliability of magnetic compasses C) Deserts due to lack of landmarks for navigation D) Rainforests to benefit from canopy coverage View Answer B) Polar regions due to unreliability of magnetic compasses 11. Which type of compass employs a rotating card mounted in fluid, often used on boats for stability? A) Liquid compass B) Marine compass C) Baseplate compass D) Prismatic compass View Answer B) Marine compass 12. What characteristic differentiates a prismatic compass specifically used for military purposes or plotting? A) GPS functionality for precise location B) Fixed needle with movable card for ease C) Liquid-filled housing for stability D) Equipped with a triangular prism for accurate observations View Answer D) Equipped with a triangular prism for accurate observations 13. In what way does a GPS compass determine directions and locations on Earth? A) Depends on liquid-filled card for orientation B) Utilizes satellite data to find location and cardinal directions C) Uses Earth’s magnetic field to align bearings D) Employs gyroscopic principles to find true north View Answer B) Utilizes satellite data to find location and cardinal directions 14. Which type of compass is most suitable for determining true north in regions where magnetic and gyrocompasses fail? A) Astro Compass B) Gyro Compass C) Solid-state Compass D) Thumb Compass View Answer A) Astro Compass 15. For what primary purpose is a Qibla compass specifically designed? A) Gain orientation underwater B) Measure high-altitude bearings C) Determine latitude and longitude D) Identify the direction toward Mecca for prayer View Answer D) Identify the direction toward Mecca for prayer 16. Which of the following best describes the true meridian? A) A line indicated by a freely suspended magnetic needle. B) A line parallel to the equator. C) A line formed by a plane passing through the Earth’s north and south poles and a given place. D) Any direction assumed for convenience in measurements. View Answer C) A line formed by a plane passing through the Earth’s north and south poles and a given place. 17. What is a key characteristic of true bearing? A) It remains constant regardless of location. B) It must be recalculated daily. C) It is measured at angles greater than 90 degrees. D) It varies with time and location. View Answer A) It remains constant regardless of location. 18. Which system measures the bearing of a line clockwise from the north of the meridian around a circle? A) Arbitrary bearing system. B) True meridian system. C) Whole circle bearing system. D) Quadrantal bearing system. View Answer C) Whole circle bearing system. 19. How is the bearing of a line measured in the quadrantal bearing system? A) Measured clockwise only from the south. B) Calculated only for the northern hemisphere. C) Always computed from the true meridian. D) Measured from north or south towards east or west, whichever is nearer. View Answer D) Measured from north or south towards east or west, whichever is … Read more