SURCON Surveying Technologist Examination

Under the SURCON Act (Decree 44 of 1989), which body is legally empowered to regulate the registration and practice of surveying, pupil surveyors, and surveying technologists in Nigeria?

• ANigerian Institution of Surveyors (NIS)
• BSurveyors Council of Nigeria (SURCON)
• CFederal Ministry of Housing and Urban Development
• DSurveyors Disciplinary Committee (SDC)

Which of the following is a primary function of the Surveyors Council of Nigeria (SURCON) as stipulated in the enabling Act of 1989?

• AFixing the prices of land and real estate across Nigerian states
• BDetermining the academic standards and registering qualified surveying professionals
• CConducting direct cadastral surveys for all private land developers
• DArbitrating boundary disputes between sovereign neighboring countries

Under the Land Use Act of 1978, in whom is all land in urban areas of each State in Nigeria vested?

• AThe President and Commander-in-Chief of the Armed Forces
• BThe Governor of the respective State
• CThe Local Government Chairman of the territory
• DThe Surveyors Council of Nigeria (SURCON)

Which instrument is issued by the Governor of a State as documentary evidence of a person's legal right to occupy and use a specific parcel of land under the Land Use Act?

• ADeed of Assignment
• BCertificate of Occupancy (C of O)
• CRegistered Survey Plan
• DPower of Attorney

In Nigerian surveying practice, what is a "red-line plan" primarily used to represent?

• AA plan showing the proposed design of a public highway extension
• BA plan depicting registered or disputed boundaries, plotted in red ink for identification
• CA hydrographic map showing depth contours under critical low tides
• DAn aerial flight line design plan for photographic overlapping

What is the restriction regarding public advertising for Registered Surveyors under the SURCON Rules of Practice?

• ASurveyors are free to advertise on television and radio without limits
• BAdvertising is strictly prohibited except for modest professional cards or directory list…
• COnly government-employed surveyors are allowed to advertise their services
• DAdvertising is permitted only if prices are listed 20% below standard SURCON rates

Under the SURCON Survey Plan Lodgement Scheme, what is a registered surveyor required to do upon completing a cadastral survey?

• AKeep all records in their private archives indefinitely without informing the government
• BLodge copies of the survey record and plan with the Office of the State Surveyor-General
• CPublish the coordinates in a local daily newspaper for public inspection
• DMail the raw GPS data to the SURCON headquarters in Abuja for computation check

What is the legal consequence for an individual who practices surveying or portrays themselves as a registered surveyor in Nigeria without a valid SURCON license?

• AThey are only subject to a minor warning letter from the NIS
• BThey commit a criminal offense punishable by a fine and/or imprisonment under the SURCON…
• CThey are banned from buying property in Nigeria for a period of ten years
• DThere are no legal consequences as long as the survey calculations are correct

Which of the following describes the correct procedure for numbering cadastral survey beacons in Nigeria?

• ASurveyors make up any set of random numbers they choose for each plot
• BBeacons must bear unique numbers obtained from the Office of the Surveyor-General
• CBeacons are numbered sequentially starting from 1 for every client regardless of location
• DBeacons are labeled with the client's initials followed by the survey date

In public procurement of surveying services in Nigeria, which document defines the scope of work, technical specifications, and delivery schedule?

• ABill of Quantities (BOQ)
• BTerms of Reference (TOR)
• CDeed of Conveyance
• DArticles of Association

Which contract type is most appropriate for a geodetic control project where the exact number of points to be established is fixed, but the terrain introduces access difficulties?

• ACost-plus percentage contract
• BLump-sum contract with terrain adjustment clauses
• CTime and materials contract without maximum limit
• DVerbal agreement based on mutual professional trust

What is the main legal difference between a Right of Occupancy (R of O) and a Certificate of Occupancy (C of O)?

• AAn R of O is issued by local chiefs, whereas a C of O is issued by the President only
• BAn R of O is the substantive right to hold and use the land, while the C of O is the inst…
• CA C of O can be revoked by the Governor, but an R of O is permanent and cannot be revoked
• DAn R of O applies only to agricultural land, whereas a C of O applies only to urban resid…

According to the SURCON Act, what is the specific role assigned to the Registrar of the Council?

• ATo act as the national president of the Nigerian Institution of Surveyors
• BTo prepare and maintain the official Register of Surveyors and Surveying Technologists
• CTo personally conduct all boundary surveys for state ministries
• DTo issue land certificates of occupancy on behalf of State Governors

If a Surveying Technologist discovers a significant computational or field error in a completed boundary survey, what is their ethical duty under professional practice rules?

• AAdjust the field notes manually to make the mathematical error look smaller
• BReport the error immediately to the Registered Surveyor in charge of the survey
• CIgnore the error unless the client specifically complains about it
• DLodge the erroneous plan anyway and hope the Surveyor-General's office does not notice

Under standard Nigerian Survey Regulations, which color conventions are used on survey plans to represent proposed new boundaries versus existing registered boundaries?

• AProposed boundaries are in red, existing are in black/blue
• BProposed boundaries are in black/blue, while existing registered boundaries are indicated…
• CProposed boundaries are in green, existing are in yellow
• DBoth proposed and existing boundaries must be plotted in solid green lines

Calculate the linear misclosure (e_L) of a closed loop traverse if the sum of latitude errors (Delta y) is +0.08 m and the sum of departure errors (Delta x) is -0.06 m.

• A0.14 m
• B0.10 m
• C0.02 m
• D0.0048 m

If a closed traverse has a total perimeter length of 1,500 m and a linear misclosure of 0.05 m, what is the fractional linear misclosure (precision) of the traverse?

• A1 in 30,000
• B1 in 15,000
• C1 in 7,500
• D1 in 3,000

Calculate the latitude (Delta N) and departure (Delta E) of a traverse line that has a horizontal length of 200.00 m and a grid bearing of 120°00'00".

• ADelta N = -100.00 m, Delta E = +173.21 m
• BDelta N = +100.00 m, Delta E = -173.21 m
• CDelta N = -173.21 m, Delta E = +100.00 m
• DDelta N = +173.21 m, Delta E = -100.00 m

According to the Bowditch (compass) rule for traverse adjustment, how is the correction to the latitude of a traverse leg determined?

• AIt is proportional to the absolute latitude of that leg relative to the sum of all absolu…
• BIt is proportional to the length of that leg relative to the total perimeter of the trave…
• CIt is distributed equally to all traverse legs regardless of length
• DIt is applied only to the longest leg of the traverse

When adjusting a traverse using the Transit Rule, what is the mathematical basis for distributing the total departure misclosure?

• AProportional to the length of each leg
• BProportional to the absolute departure value of each leg relative to the sum of absolute…
• CProportional to the square of the length of each leg
• DDistributed solely to the legs running in the east-west direction

Calculate the grid bearing from point A to point B if their coordinates are A (Easting = 100.00 m, Northing = 100.00 m) and B (Easting = 200.00 m, Northing = 200.00 m).

• A225°00'00"
• B045°00'00"
• C135°00'00"
• D315°00'00"

Given the coordinates of point P (500.00 m, 600.00 m) and point Q (800.00 m, 200.00 m), calculate the horizontal distance between P and Q.

• A700.00 m
• B500.00 m
• C640.31 m
• D350.00 m

A line is measured four times with the following results: 120.02 m, 120.04 m, 119.98 m, and 120.00 m. What is the standard deviation (s) of this set of observations?

• A±0.026 m
• B±0.015 m
• C±0.0007 m
• D±0.080 m

If the standard deviation of measuring a single angle is ±4 seconds of arc, what is the expected standard error in the sum of the angles of an 8-sided closed traverse?

• A±32.0 seconds
• B±11.3 seconds
• C±8.0 seconds
• D±4.0 seconds

In a plane triangle ABC, side a = 80.00 m, side b = 100.00 m, and the included angle C = 60°00'00". Calculate the length of side c.

• A91.65 m
• B90.00 m
• C156.20 m
• D81.24 m

What is the purpose of Legendre's Theorem in geodetic and spheroidal surveying calculations?

• ATo calculate the exact surface area of a triaxial ellipsoid
• BTo solve a small spherical triangle as a plane triangle by reducing each angle by one-thi…
• CTo determine the gravity anomaly at high altitudes above mean sea level
• DTo project UTM coordinates into a local Minna grid directly

Calculate the spherical excess (E) of a spherical triangle on the Earth's surface having an area of 80.0 km² (take the Earth's mean radius R = 6,371 km).

• A0.407 seconds of arc
• B0.081 seconds of arc
• C0.000407 seconds of arc
• D1.23 seconds of arc

In Least Squares adjustment, what is the main difference between the "Observation Equation" method and the "Condition Equation" method?

• AObservation equations can only adjust angles, whereas condition equations adjust distances
• BObservation equations express observations as functions of unknown parameters, whereas co…
• CCondition equations require an equal number of coordinates and parameters, whereas observ…
• DObservation equations are computed manually, while condition equations require computer s…

If the standard deviation of a distance measurement is ±0.03 m, and for another measurement it is ±0.01 m, what is the weight ratio of the second observation to the first?

• A3 to 1
• B9 to 1
• C1 to 3
• D1 to 9

The dimensions of a rectangular land parcel are measured as Length L = 100.00 m ± 0.02 m and Width W = 50.00 m ± 0.01 m. What is the calculated area and its associated standard error (e_A)?

• AArea = 5,000.00 m², e_A = ±0.03 m²
• BArea = 5,000.00 m², e_A = ±1.41 m²
• CArea = 5,000.00 m², e_A = ±1.12 m²
• DArea = 5,000.00 m², e_A = ±2.00 m²

Given that the grid bearing of line AB is 045°30'00" and the grid bearing of line BC is 135°15'00", calculate the interior clockwise angle ABC.

• A089°45'00"
• B270°15'00"
• C090°15'00"
• D269°45'00"

In a closed-loop traverse consisting of 6 stations, what is the theoretical sum of the interior angles?

• A1,080°00'00"
• B900°00'00"
• C720°00'00"
• D540°00'00"

A survey line PQ has a length of 141.42 m and a grid bearing of 225°00'00". Calculate the Easting and Northing coordinate differences (Delta E, Delta N) from P to Q.

• ADelta E = -100.00 m, Delta N = -100.00 m
• BDelta E = +100.00 m, Delta N = -100.00 m
• CDelta E = -100.00 m, Delta N = +100.00 m
• DDelta E = +100.00 m, Delta N = +100.00 m

How many parameters are solved for in a standard 2D conformal (Helmert) coordinate transformation between two plane coordinate systems?

• A3 parameters
• B4 parameters
• C6 parameters
• D7 parameters

In geodetic datum transformations, the 3D Helmert transformation utilizes 7 parameters. Which of the following correctly lists these parameters?

• A3 translations, 3 rotations, and 1 scale factor
• B2 translations, 2 rotations, 2 scale factors, and 1 skew parameter
• C4 translations, 2 rotations, and 1 projection parameter
• D3 translations and 4 rotation parameters

In coordinate geometry, what does "resection" refer to?

• ACalculating coordinates of an unknown point by measuring angles to it from two known cont…
• BDetermining the coordinates of an occupied unknown station by measuring horizontal angles…
• CCalculating the coordinates of points along a curved road boundary at equal intervals
• DAdjusting the elevations of intermediate benchmarks in a closed levelling run

What is the primary computational difference between "intersection" and "resection" in plane surveying computations?

• AIntersection requires distance measurements, whereas resection requires only GPS measurem…
• BIn intersection, the instrument is set up at points of known coordinates; in resection, t…
• CIntersection is used only for vertical control, while resection is used for horizontal co…
• DIntersection calculations can only be performed in the first quadrant, while resection ca…

A double-run levelling loop is run over a total distance of 4 km. The misclosure is found to be +16 mm. If the first section was 1 km long, what correction should be applied to it?

• A-4 mm
• B-8 mm
• C-12 mm
• D-16 mm

If a distance of 300 m is measured using a 30-meter steel tape, and the random error per tape length is ±0.005 m, what is the expected cumulative random error of the total measurement?

• A±0.050 m
• B±0.016 m
• C±0.005 m
• D±0.001 m

Why is the Bowditch Rule usually preferred over the Transit Rule when adjusting closing errors of ordinary engineering and cadastral traverses?

• AThe Bowditch rule is simpler to compute by hand because it does not use cosine functions
• BThe Bowditch rule assumes that angular and distance measurements are of equal precision,…
• CThe Bowditch rule does not alter the bearings of the lines, maintaining original angular…
• DThe Bowditch rule is only legally allowed in Nigeria for agricultural surveys

In cadastral surveying in Nigeria, what is the primary purpose of a "connection survey"?

• ATo connect the surveyor with the local landowner for payment negotiations
• BTo reference the new boundary survey to the national geodetic control network
• CTo connect different survey instruments to a single Bluetooth device in the field
• DTo join two independent cadastral files into a single GIS database table

Which instrument integrates an electronic transit theodolite, an electronic distance meter (EDM), and an internal microprocessor with data storage?

• AAutomatic Level
• BTotal Station
• CPlanimeter
• DSextant

In GNSS surveying, what is the key difference between "carrier phase" and "code phase" measurements?

• ACode phase measures only vertical coordinates, while carrier phase measures horizontal co…
• BCarrier phase tracks the actual radio wave cycle, providing millimeter to centimeter accu…
• CCode phase is only used by GLONASS, while carrier phase is used by GPS
• DCarrier phase requires a direct cable link to the satellite, whereas code phase is wirele…

What is a "cycle slip" in GNSS surveying, and what is its primary cause?

• AA battery failure in the receiver caused by high tropical temperatures
• BA sudden jump or discontinuity in the carrier phase measurements caused by a temporary lo…
• CA mechanical slip of the receiver on the tripod due to loose screws
• DA scheduling conflict where satellites pass overhead too quickly

When levelling across a wide body of water like the River Niger, which method is employed to eliminate earth curvature, atmospheric refraction, and collimation errors?

• ATrigonometric Levelling
• BReciprocal Levelling
• CBarometric Levelling
• DProfile Levelling

In differential levelling, why is it critical to keep the backsight (BS) and foresight (FS) distances approximately equal?

• ATo speed up the field work and reduce staff fatigue
• BTo cancel out systematic errors due to earth curvature, atmospheric refraction, and instr…
• CTo ensure the instrument remains physically balanced on the tripod
• DTo allow the auto-compensator to function without battery power

A digital level is designed to read heights and distances automatically. What special accessory is required to perform these measurements?

• AA retro-reflective prism target
• BA barcoded levelling staff
• CA high-frequency radio transceiver link
• DA hand-held laser pointer