32 Questions
What is the main purpose of reconnaissance survey?
To obtain an overall picture of the area
What is the significance of selecting the most suitable position of stations during reconnaissance?
Ensuring accurate survey results
What does the principle of 'working from whole to part' in surveying emphasize?
Starting with precise control surveying followed by detail surveying
What is one of the objectives of reconnaissance survey?
To choose the best route and record it on a map
During reconnaissance, what is established after selecting the most suitable station positions?
The purpose of the survey and required accuracy
Why is aerial reconnaissance survey preferred over ground reconnaissance in some cases?
It provides a more comprehensive view of the area to be surveyed
What is the main purpose of surveying from the whole to the part?
To localize errors
For which purpose is pacing a suitable method of distance measurement?
Reconnaissance surveys
In surveying, what is the purpose of the reconnaissance survey phase?
To get a general picture of the area to be surveyed
What is one of the basic measurements in surveying that involves determining the distance between two points?
Horizontal distance measurement
What is the fundamental principle underlying surveying as mentioned in the text?
Working from the whole to the part
In surveying, what method involves direct measurement of distances with a tape or chain?
Taping (chaining)
What is the purpose of fixing control reference points in surveying?
To determine locations of other points and lines
What is the purpose of the method of tachometry in surveying?
Indirect distance measurement by optical instruments
In surveying, what is the purpose of fixing third points using two control points?
To locate various other points and lines
Which method in surveying involves measuring distances by counting the number of paces taken?
Pacing
What is the significance of tertiary control points in a survey?
They fill gaps left by secondary control points
What is described as an indirect distance measuring instrument in modern surveying operations?
Electronic Distance Measurement (EDM)
Why is it crucial to work from the whole to the part in surveying according to the text?
It localizes errors and keeps them contained within the overall frame
What is the main focus of the office work phase in surveying?
Preparing charts, planes, and maps for presentation
How does working from small to large areas affect survey accuracy according to the text?
It can lead to distortion in large surveys due to small errors magnified.
What role do primary control points play in a survey according to the text?
To provide highly precise positions for reference.
What is the importance of scientific honesty in survey work?
To build trust and professionalism at all stages of the survey
Why is it essential for survey assistants to follow instructions without question?
To ensure accuracy and prevent errors in the survey work
What principle highlights the importance of constantly checking all survey work?
Accuracy Principle
How are accuracy and precision defined in the context of engineering surveying?
Accuracy allows for minor deviations, while precision requires exact measurements
What is the primary reason for selecting equipment that matches the level of precision required?
To lower the cost of the survey for the client
Why should survey records and computations be kept clean and complete in field books?
To ensure that others can clearly understand the survey data
When do observations in a computation become considered unreliable?
When they have not been frequently checked during calculations
Why is achieving high accuracy preferred over excessive precision in a survey?
To prevent errors and ensure a high quality of survey data
Why should distances between stations be measured as they are plotted?
To ensure that there is correspondence with horizontal distances measured in the field
How does untidy record-keeping affect the quality of a survey?
It leads to errors and misunderstandings in interpreting survey data.
Learn about reconnaissance in land surveying which involves an initial survey of the area before the main survey. This lecture covers ground and aerial reconnaissance, selecting station positions, determining survey objectives, and establishing observation methods.
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