LSIT Cheat Sheet 2026
The 30 highest-yield LSIT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here โ free, no sign-up.
110 questions
240 min time limit
70% to pass
- The State Plane Coordinate System (SPCS) uses which map projections? โ Lambert Conformal Conic and Transverse Mercator
- A vertical curve connects a +3.5% grade with a -2.5% grade. The algebraic difference of grades (A) equals: โ 6.0%
- What is an easement? โ Right to use another persons land for specific purpose without owning it
- When reading a cadastral map, what does the term "parcel" refer to? โ A unit of land that has been surveyed and mapped, often for legal or ownership purposes
- A random error in surveying measurements is best characterized as: โ Unpredictable in sign and magnitude, following a normal distribution
- The geoid is best described as: โ An equipotential surface of Earth's gravity field approximating mean sea level
- A surveyor measures a slope distance of 250.00 ft at a vertical angle of +3ยฐ30'. What is the approximate horizontal distance? โ 249.31 ft
- In coordinate geometry (COGO), the inverse computation determines: โ Distance and bearing between two known coordinate pairs
- Which of the following best describes the legal effect of recording a subdivision plat in the public records? โ It offers the lots for public sale and dedicates shown public areas to the public
- A 'double proportionate measurement' in PLSS is used to restore which type of corner? โ Interior quarter-section corner
- What is right-of-way? โ Land strip designated for transportation or utility purposes
- What is a bearing in land surveying? โ Direction as angle from north or south, measured east or west
- Orthometric height is defined as the: โ Height above the geoid, measured along the plumb line direction
- Which vertical datum is the official vertical datum for the contiguous United States? โ NAVD 88
- Which curve element represents the distance along the arc from the PC to the PT? โ Length of Curve (L)
- A 'color of title' claim in adverse possession refers to: โ A written instrument that appears to convey title but is defective in some legal respect
- What is the purpose of using "scale" on a map? โ To represent the proportion of distance on the map to the actual distance on the ground
- What ethical obligations do surveyors have? โ Competence, integrity, honesty, serving public interest
- Under PLSS rules, numbered sections in a township begin in which corner and proceed in which pattern? โ Northeast corner, proceeding west then snaking south
- The Elevation Factor (EF) used in geodetic-to-grid distance reduction is calculated as: โ R / (R + H), where R is Earth's radius and H is mean elevation above ellipsoid
- In a court case involving a disputed boundary, survey testimony is most likely to be admitted as which type of evidence? โ Expert opinion evidence
- Which document is typically used to formalize an agreement between a client and a land surveyor for surveying services? โ A survey contract or agreement
- The difference between ellipsoidal height (h) and orthometric height (H) is called: โ Geoid undulation (N)
- What is the effect of atmospheric refraction on a line of sight in leveling? โ It bends the line of sight upward, causing the computed elevation to be too high
- The standard deviation of a single measurement where n repeated observations have a standard deviation of the mean (ฯm) is: โ ฯ = ฯm ร โn
- What is a recording statute effect on surveys? โ Recorded documents provide constructive notice and priority for property rights
- On a USGS 7.5-minute quadrangle map, what does the primary contour interval typically represent in moderate terrain? โ 40 feet
- Which of the following best describes a 'deed of trust' in the context of land records research? โ A security instrument using real property as collateral for a loan
- The combined scale factor for converting ground distances to grid distances is computed as: โ The elevation factor multiplied by the grid (projection) scale factor
- What is the purpose of a "legend" on a land survey map? โ To explain the symbols and abbreviations used on the map
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