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WorksheetsSurveying Practice CAT 1
Total questions: 30
Worksheet time: 15mins
What is the primary purpose of chain surveying?
To measure angles
To determine distances
To create maps using photographs
To measure elevations
In chain surveying, what is the purpose of a baseline?
To measure the elevation of the land
To serve as the primary measurement line from which other measurements are made
To provide a reference for compass readings
To align survey lines indirectly
Which of the following is an example of direct ranging in chain surveying?
Using intermediate points to align lines
Using a chain to measure perpendicular distances
Aligning survey lines by sighting directly from the instrument
Measuring the angles between lines
What type of offset is used in chain surveying to measure perpendicular distances?
Oblique Offset
Perpendicular Offset
Direct Offset
Indirect Offset
Which line in chain surveying is used to verify the accuracy of a baseline measurement?
Check Line
Tie Line
Baseline
Ranging Line
What is the primary function of a prismatic compass?
To measure vertical angles
To measure horizontal angles and bearings
To determine elevation changes
To calculate distances
What is the full circle bearing of a line if the reduced bearing is N 45° E?
45°
135°
225°
315°
In compass surveying, what is the purpose of measuring back bearings?
To check for errors and ensure accuracy
To determine the magnetic declination
To calculate elevation changes
To measure the distance between points
In which unit is area commonly measured in surveying?
Meter
Foot
Square Meter
Degree
What is an open traverse in surveying?
A closed loop of connected survey lines
A series of connected lines that do not return to the starting point
A method for measuring elevations
A technique for creating digital maps
Which unit conversion is correct for length?
1 acre = 4,046.86 m²
1 meter = 3.28084 feet
1 foot = 0.3048 millimeters
1 hectare = 10,000 feet²
Which type of compass is commonly used for precise field work?
Surveying Compass
Prismatic Compass
Magnetic Compass
Navigational Compass
In surveying, what does a closed traverse imply?
A series of survey lines where the endpoints do not connect
A series of connected lines forming a closed loop
A method for measuring magnetic declination
A type of compass used for surveying
Which unit is used to measure angles in surveying?
Meter
Square Meter
Degree
Foot
In chain triangulation, what is the key feature of the triangles formed?
They are always right-angled
They have equal sides
They provide a basis for indirect distance measurement
They are used to measure vertical angles
What is the primary purpose of the temporary adjustment of a leveling instrument?
To calculate elevation differences
To ensure the instrument is accurately horizontal
To record measurements in a field book
To determine the contour interval
In leveling, what is the purpose of a back sight (BS)?
To measure the height of the instrument
To establish a reference elevation from a known benchmark
To measure intermediate points
To determine the contour gradient
Which of the following best describes an intermediate sight (IS)?
Reading taken on a leveling staff at a known point
Reading taken on a staff at a new point between the back sight and fore sight
Reading taken to calculate the height of the instrument
Reading taken to establish a changepoint
What is a benchmark (BM) in levelling?
A temporary point used during the survey
A fixed reference point with a known elevation
A method for reducing levels
A line used for direct ranging
Which method of reduction involves subtracting the fore sight readings from the height of collimation?
Rise and Fall Method
Differential Leveling Method
Height of Collimation Method
Profile Leveling Method
In the rise and fall method, what does a fall represent?
A decrease in the elevation of the fore sight point compared to the back sight point
An increase in the elevation of the fore sight point compared to the back sight point
An adjustment in the leveling instrument
A new benchmark established during the survey
What is recorded in a field book during a leveling survey?
Measurements and observations of levels
Coordinates of survey points
Contour intervals and gradients
Details of the leveling instrument used
Which of the following is a type of benchmark?
Temporary Benchmark
Fixed Benchmark
Floating Benchmark
Intermediate Benchmark
What is the height of collimation method used for?
To calculate distances between points
To determine the height of the instrument's line of sight above a reference point
To establish new benchmarks
To adjust the leveling instrument
Which method of leveling involves calculating the cumulative rise and fall to determine elevations?
Height of Collimation Method
Rise and Fall Method
Differential Leveling Method
Profile Leveling Method
What is the definition of a contour in contour surveying?
A line that connects points of equal elevation
A line that connects points of equal distance
A line that represents the slope of the terrain
A line that indicates the depth of a point
Which type of theodolite allows the telescope to rotate through 180° in both horizontal and vertical planes?
Transit Theodolite
Non-Transit Theodolite
Vernier Theodolite
Micrometer Theodolite
What is the primary use of a micrometer on modern theodolites?
To measure vertical angles
To provide finer angle measurements
To level the instrument
To measure horizontal distances
Which scale is used on older theodolites to read fractional parts of a degree?
Micrometer
Vernier
Optical Scale
Graduated Scale
In the repetition method, why are angles measured multiple times?
To improve accuracy by averaging the measurements
To calibrate the theodolite
To determine the latitude and departure
To find the fundamental lines
