Podcast
Questions and Answers
What is the purpose of chain surveying?
What is the purpose of chain surveying?
- To measure an area using satellite imagery
- To measure an area using advanced GPS systems
- To measure an area using linear measurements only (correct)
- To measure an area using drone technology
Which of the following is NOT an equipment used in chain surveying?
Which of the following is NOT an equipment used in chain surveying?
- Drone (correct)
- Cross staff
- Clinometer
- Steel band
What are the two main types of chains used in taking measurements?
What are the two main types of chains used in taking measurements?
- Günter’s chain and Plastic chain
- Wire chain and Rope chain
- Engineers chain and Bluetooth chain (correct)
- Steel chains and Cable chains
What are tally markers used for in the chain?
What are tally markers used for in the chain?
Which type of chain is designed for hard usage and is sufficiently accurate for small surveys?
Which type of chain is designed for hard usage and is sufficiently accurate for small surveys?
What is the width range of a Steel Band used in chain surveying?
What is the width range of a Steel Band used in chain surveying?
What is the purpose of a tape in surveying?
What is the purpose of a tape in surveying?
Which type of tape should never be used for work requiring great accuracy?
Which type of tape should never be used for work requiring great accuracy?
What is the function of an arrow in surveying?
What is the function of an arrow in surveying?
Why are pegs used in surveying?
Why are pegs used in surveying?
What is the main purpose of a ranging rod in surveying?
What is the main purpose of a ranging rod in surveying?
When is an optical square typically used in surveying?
When is an optical square typically used in surveying?
What is the purpose of a clinometer in surveying?
What is the purpose of a clinometer in surveying?
What distinguishes an Abney level from a clinometer?
What distinguishes an Abney level from a clinometer?
What is the purpose of establishing primary triangulation networks?
What is the purpose of establishing primary triangulation networks?
What were the primary trig points fixed at in the primary triangulation networks?
What were the primary trig points fixed at in the primary triangulation networks?
How was the secondary network of triangulation densified?
How was the secondary network of triangulation densified?
What is the modern approach to measuring base lines in triangulation networks?
What is the modern approach to measuring base lines in triangulation networks?
Why is scale error control important in triangulation networks?
Why is scale error control important in triangulation networks?
In what type of terrain is triangulation best suited?
In what type of terrain is triangulation best suited?
What should be done with steel bands/tapes when not in use?
What should be done with steel bands/tapes when not in use?
Why is station marking important in a chain survey?
Why is station marking important in a chain survey?
What is the purpose of witnessing in a survey?
What is the purpose of witnessing in a survey?
Why are offsets taken perpendicular to chain lines in a survey?
Why are offsets taken perpendicular to chain lines in a survey?
In selecting survey lines, why is a long base line recommended?
In selecting survey lines, why is a long base line recommended?
What should be the angle range for triangles used in surveying?
What should be the angle range for triangles used in surveying?
Why are check lines important in a survey?
Why are check lines important in a survey?
What is the purpose of ranging in surveying?
What is the purpose of ranging in surveying?
How should gross errors in surveying be defined?
How should gross errors in surveying be defined?
Why is it impossible to take observations completely free of small variations?
Why is it impossible to take observations completely free of small variations?
What is the primary method suggested in the text to eliminate systematic errors in measurements?
What is the primary method suggested in the text to eliminate systematic errors in measurements?
Which type of errors cannot be removed from observation according to the text?
Which type of errors cannot be removed from observation according to the text?
What is the main cause of systematic errors according to the text?
What is the main cause of systematic errors according to the text?
What is one of the corrections suggested for linear measurements using a chain or tape?
What is one of the corrections suggested for linear measurements using a chain or tape?
How can random errors in surveying be reduced according to the text?
How can random errors in surveying be reduced according to the text?
What is the effect of systematic errors on a series of repeated measurements under the same conditions?
What is the effect of systematic errors on a series of repeated measurements under the same conditions?
