291. Which instrument is commonly used for measuring horizontal angles in traverse surveying?
a) Theodolite
b) Total station
c) Compass
d) Level
View Answer
Correct answer: a) Theodolite
Explanation: The theodolite is a precision instrument commonly used for measuring horizontal angles in traverse surveying. It provides accurate angular measurements.
292. What is the purpose of a tripod in surveying?
a) To provide stability and support for surveying instruments
b) To measure distances between survey points
c) To establish the elevation of a point
d) To determine the true north direction
View Answer
Correct answer: a) To provide stability and support for surveying instruments
Explanation: A tripod is used to provide stability and support for surveying instruments, ensuring accurate measurements.
293. Which of the following is an accessory commonly used with a theodolite?
a) Stadia rod
b) Chain
c) Plumb bob
d) Leveling staff
View Answer
Correct answer: c) Plumb bob
Explanation: A plumb bob is an accessory commonly used with a theodolite to establish a vertical reference line and ensure the instrument is properly aligned.
294. The principle of trilateration is based on __________.
a) Measuring angles between survey points
b) Measuring distances between survey points
c) Measuring elevations of survey points
d) Measuring the magnetic declination
View Answer
Correct answer: b) Measuring distances between survey points
Explanation: Trilateration is a surveying method that involves measuring distances between survey points to determine their relative positions.
295. In traverse surveying, a closed traverse refers to __________.
a) A traverse that starts and ends at the same point
b) A traverse that follows a straight line
c) A traverse that covers a large area
d) A traverse that includes both horizontal and vertical measurements
View Answer
Correct answer: a) A traverse that starts and ends at the same point
Explanation: A closed traverse is a surveying traverse that starts and ends at the same point, forming a closed loop.
296. The term “traverse adjustment” refers to __________.
a) The process of measuring distances between traverse points
b) The process of calculating the area enclosed by a traverse
c) The process of distributing the closure error in a traverse
d) The process of determining the true north direction in a traverse
View Answer
Correct answer: c) The process of distributing the closure error in a traverse
Explanation: Traverse adjustment involves distributing the closure error proportionally to the traverse points to ensure a more accurate and balanced traverse.
297. The purpose of leveling in surveying is to __________.
a) Measure horizontal angles between survey points
b) Measure distances between survey points
c) Determine the elevation difference between survey points
d) Establish the true north direction
View Answer
Correct answer: c) Determine the elevation difference between survey points
Explanation: Leveling in surveying is the process of measuring the elevation difference between survey points, providing valuable information for contouring and slope calculations.
298. A benchmark in surveying is __________.
a) The highest point in a survey area
b) A reference point with a known elevation
c) The starting point of a survey
d) A point with unknown coordinates
View Answer
Correct answer: b) A reference point with a known elevation
Explanation: A benchmark is a reference point with a known elevation, serving as a point of reference for elevation measurements in a survey.
299. The process of establishing the true north direction using a compass is called __________.
a) Magnetic declination
b) Azimuth determination
c) Orientation
d) Compass adjustment
View Answer
Correct answer: c) Orientation
Explanation: Orientation is the process of establishing the true north direction using a compass, aligning the instrument with the north-south axis.
300. Which of the following is an example of a closed traverse surveying method?
a) Trilateration
b) Intersection
c) Resection
d) Loop traverse
View Answer
Correct answer: d) Loop traverse
Explanation: A loop traverse is a closed surveying method where the traverse starts and ends at the same point, forming a closed loop.
