Podcast
Questions and Answers
What is the main purpose of a theodolite?
What is the main purpose of a theodolite?
- Calculating the area of a land parcel
- Determining the elevation of a single point
- Measuring vertical and horizontal angles (correct)
- Measuring the distance between two points
Which part of a theodolite is used to measure the angle between the line of sight and the horizontal?
Which part of a theodolite is used to measure the angle between the line of sight and the horizontal?
- Compass
- Vertical Scale (correct)
- Alidade
- Plumb Bob
What is the maximum angle that can be accurately measured by a theodolite?
What is the maximum angle that can be accurately measured by a theodolite?
- $30^{ c{''}}$
- $10^{ c{''}}$
- $5^{ c{''}}$
- $20^{ c{''}}$ (correct)
Which type of theodolite is mounted within one of the standards with a full 360° vertical scale?
Which type of theodolite is mounted within one of the standards with a full 360° vertical scale?
What is the main feature of a telescope in a theodolite?
What is the main feature of a telescope in a theodolite?
Which of the following is NOT among the uses of a theodolite?
Which of the following is NOT among the uses of a theodolite?
What is the term for turning the telescope about its horizontal axis in a vertical plane through 180 degrees?
What is the term for turning the telescope about its horizontal axis in a vertical plane through 180 degrees?
Which imaginary line passes through the optical center of the objective glass and its continuation?
Which imaginary line passes through the optical center of the objective glass and its continuation?
What is the operation known as bringing the vertical circle from one side of the observer to the other?
What is the operation known as bringing the vertical circle from one side of the observer to the other?
What is the setting of a theodolite over a station at the time of taking any observation called?
What is the setting of a theodolite over a station at the time of taking any observation called?
What is the English letter form that supports the frames for the telescope to rotate on its trunnion axis in a vertical frame?
What is the English letter form that supports the frames for the telescope to rotate on its trunnion axis in a vertical frame?
What is an important feature that allows the telescope to rotate on its trunnion axis in a vertical frame?
What is an important feature that allows the telescope to rotate on its trunnion axis in a vertical frame?
Which term refers to turning the telescope in a horizontal plane, specifically clockwise?
Which term refers to turning the telescope in a horizontal plane, specifically clockwise?
What is an imaginary line tangential to the longitudinal curve of a bubble tube at its middle point called?
What is an imaginary line tangential to the longitudinal curve of a bubble tube at its middle point called?
In measuring horizontal angles, what action results in changing the face left position?
In measuring horizontal angles, what action results in changing the face left position?
'Temporary adjustment' of a theodolite involves which process among these?
'Temporary adjustment' of a theodolite involves which process among these?
What is used to center the instrument exactly over a station mark?
What is used to center the instrument exactly over a station mark?
What is used to define the horizontal direction in which the telescope is sighted?
What is used to define the horizontal direction in which the telescope is sighted?
Which component is responsible for holding the telescope at a particular vertical angle?
Which component is responsible for holding the telescope at a particular vertical angle?
What is necessary for the upper plate to be before using the instrument?
What is necessary for the upper plate to be before using the instrument?
Which part of the instrument is rigidly attached to the tripod mounting assembly?
Which part of the instrument is rigidly attached to the tripod mounting assembly?
What is adjusted to observe a precise tube bubble known as the plate bubble?
What is adjusted to observe a precise tube bubble known as the plate bubble?
Which component should be perpendicular to the alidade axis?
Which component should be perpendicular to the alidade axis?
What is used to transit the telescope when clamped at a particular vertical angle?
What is used to transit the telescope when clamped at a particular vertical angle?
What is centered on the horizontal axis of the telescope in front of the vertical axis?
What is centered on the horizontal axis of the telescope in front of the vertical axis?
What must be adjusted using three-foot screws before using the instrument?
What must be adjusted using three-foot screws before using the instrument?
What method is used to measure a horizontal angle to a finer degree of accuracy?
What method is used to measure a horizontal angle to a finer degree of accuracy?
In the process of measuring vertical angles, what is kept parallel to any two leveling screws?
In the process of measuring vertical angles, what is kept parallel to any two leveling screws?
What is the purpose of a traverse in land surveying?
What is the purpose of a traverse in land surveying?
In the Included Angle method for closed traverse, what is observed at the 1st station A?
In the Included Angle method for closed traverse, what is observed at the 1st station A?
How are vertical angles noted in land surveying?
How are vertical angles noted in land surveying?
What is done with the Vernier during each repetition in the method of repetition?
What is done with the Vernier during each repetition in the method of repetition?
When carrying out the leveling process for measuring vertical angles, what is brought to center by operating two leveling screws?
When carrying out the leveling process for measuring vertical angles, what is brought to center by operating two leveling screws?
What does the average horizontal angle calculation involve in the method of repetition?
What does the average horizontal angle calculation involve in the method of repetition?
'The points defining the ends of traverse lines' are known as:
'The points defining the ends of traverse lines' are known as:
'Property surveys to locate or establish boundaries' is one purpose of:
'Property surveys to locate or establish boundaries' is one purpose of:
What is the purpose of summing up all the angles in a traverse according to the text?
What is the purpose of summing up all the angles in a traverse according to the text?
What is the purpose of converting whole circle bearings to reduced bearings in a traverse according to the text?
What is the purpose of converting whole circle bearings to reduced bearings in a traverse according to the text?
Which column in Gale's Traverse Table would corrections be entered into according to the text?
Which column in Gale's Traverse Table would corrections be entered into according to the text?
Why are corrections applied graphically to the positions of stations in a traverse according to the text?
Why are corrections applied graphically to the positions of stations in a traverse according to the text?
What does a horizontal line Po P' represent in a graphical balancing according to the text?
What does a horizontal line Po P' represent in a graphical balancing according to the text?
How are corrections distributed to all sides of a traverse in graphical balancing according to the text?
How are corrections distributed to all sides of a traverse in graphical balancing according to the text?
What is the purpose of calculating independent coordinates in a traverse according to the text?
What is the purpose of calculating independent coordinates in a traverse according to the text?
Why is Transit rule or Bowditch's rule applied in calculating corrections in a traverse according to the text?
Why is Transit rule or Bowditch's rule applied in calculating corrections in a traverse according to the text?
What is the significance of summing up latitudes and departures in a traverse according to the text?
What is the significance of summing up latitudes and departures in a traverse according to the text?
Why are corrections applied directly proportional to station distance in graphical balancing according to the text?
Why are corrections applied directly proportional to station distance in graphical balancing according to the text?
What is the formula for calculating the interior angles of a traverse with 'n' sides?
What is the formula for calculating the interior angles of a traverse with 'n' sides?
In balancing a traverse, what is the closing error defined as?
In balancing a traverse, what is the closing error defined as?
Which method is generally used for adjusting the closing error in a traverse when linear errors are proportional to √l and angular errors are proportional to 1/√l?
Which method is generally used for adjusting the closing error in a traverse when linear errors are proportional to √l and angular errors are proportional to 1/√l?
What does latitude represent in relation to a traverse line?
What does latitude represent in relation to a traverse line?
When balancing a traverse using Bowditch's method, what does 'CD' represent?
When balancing a traverse using Bowditch's method, what does 'CD' represent?
Which condition must be met in a closed traverse in terms of latitude and departure?
Which condition must be met in a closed traverse in terms of latitude and departure?
What is the primary purpose of Bowditch's method in balancing a traverse?
What is the primary purpose of Bowditch's method in balancing a traverse?
In a traverse, what does 'DT' represent when balancing using the Transit rule?
In a traverse, what does 'DT' represent when balancing using the Transit rule?
'Gal's Traverse Table' in fieldwork primarily focuses on measuring:
'Gal's Traverse Table' in fieldwork primarily focuses on measuring:
'Transit rule' is particularly suitable for which type of surveying situation?
'Transit rule' is particularly suitable for which type of surveying situation?
What is the purpose of the filtration process described in the text?
What is the purpose of the filtration process described in the text?
Which mechanism of filtration is due to the force of gravity and settling velocity of particles?
Which mechanism of filtration is due to the force of gravity and settling velocity of particles?
For what type of particles does interception play a role in the filtration process?
For what type of particles does interception play a role in the filtration process?
What type of particles does Brownian diffusion primarily affect during filtration?
What type of particles does Brownian diffusion primarily affect during filtration?
What material is commonly used as filter media in the filtration process described in the text?
What material is commonly used as filter media in the filtration process described in the text?
How is the size of sand used as filter media typically expressed?
How is the size of sand used as filter media typically expressed?
What is the method of cleaning for a Rapid Sand Filter (RSF)?
What is the method of cleaning for a Rapid Sand Filter (RSF)?
What is the Carman-Kozeny equation used to calculate in the context of filter operation?
What is the Carman-Kozeny equation used to calculate in the context of filter operation?
When should a Rapid Sand Filter be backwashed?
When should a Rapid Sand Filter be backwashed?
What causes the phenomenon known as 'Air Binding' in a filter?
What causes the phenomenon known as 'Air Binding' in a filter?
What happens if a Rapid Sand Filter runs for longer periods without backwashing?
What happens if a Rapid Sand Filter runs for longer periods without backwashing?
What does the uniformity coefficient measure?
What does the uniformity coefficient measure?
What is the primary function of a 'Schmutzdecke' in slow sand filtration?
What is the primary function of a 'Schmutzdecke' in slow sand filtration?
Which type of filter captures particles throughout the bed and is cleaned by backwashing water through the bed?
Which type of filter captures particles throughout the bed and is cleaned by backwashing water through the bed?
What is the primary difference between slow sand filters (SSF) and rapid sand filters (RSF) regarding the rate of filtration?
What is the primary difference between slow sand filters (SSF) and rapid sand filters (RSF) regarding the rate of filtration?
What property of filter sand differs between slow sand filtration and rapid sand filtration?
What property of filter sand differs between slow sand filtration and rapid sand filtration?
Why is anthrafilt sometimes used instead of sand as filter media?
Why is anthrafilt sometimes used instead of sand as filter media?
What is the significance of the 'Schmutzdecke' layer in slow sand filtration?
What is the significance of the 'Schmutzdecke' layer in slow sand filtration?
How are impurities primarily removed in slow sand filtration during the first few days of operation?
How are impurities primarily removed in slow sand filtration during the first few days of operation?
'Multimedia filters' consist of two or more layers of different granular materials for what purpose?
'Multimedia filters' consist of two or more layers of different granular materials for what purpose?
What is the ratio that defines the uniformity coefficient?
What is the ratio that defines the uniformity coefficient?
What is one of the remedial measures suggested to prevent cracking of filters and formation of mud balls?
What is one of the remedial measures suggested to prevent cracking of filters and formation of mud balls?
In the standard design practice of a Rapid Sand filter, what is the maximum recommended spacing for holes in the filter?
In the standard design practice of a Rapid Sand filter, what is the maximum recommended spacing for holes in the filter?
What is the maximum recommended loss of head in a Rapid Sand filter?
What is the maximum recommended loss of head in a Rapid Sand filter?
What is the recommended velocity of flow in the manifold for washwater in a Rapid Sand filter?
What is the recommended velocity of flow in the manifold for washwater in a Rapid Sand filter?
In designing a rapid sand filter, what is the total area of lateral perforations recommended per lateral?
In designing a rapid sand filter, what is the total area of lateral perforations recommended per lateral?
What is the recommended spacing of holes in the lateral pipes of a rapid sand filter?
What is the recommended spacing of holes in the lateral pipes of a rapid sand filter?
