SURCON Professional Practice Questions - SURCON Professional Examination - Surveyor Exam - SURCON Professional Practice Questions - SURCON Professional Examination

Question 1

What is the mathematical relationship between ellipsoidal height (h), orthometric height (H), and geoid undulation (N)?

H = h - N H = h + N h = H - N N = H + h

Correct Answer:

H = h - N

Question 2

Which station serves as the origin point (L40) for the triangulation network of the local Minna Datum in Nigeria?

L40 station near Minna, Niger State L50 station near Abuja, FCT Kano geodetic station Lagos coastal tidal station

Correct Answer:

L40 station near Minna, Niger State

Question 3

What are the geometric parameters of the Clarke 1880 (Modified) ellipsoid used as the reference surface for the Minna Datum in Nigeria?

Semi-major axis a = 6,378,249.145 m, inverse flattening 1/f = 293.465 Semi-major axis a = 6,378,137.000 m, inverse flattening 1/f = 298.257 Semi-major axis a = 6,378,206.400 m, inverse flattening 1/f = 294.979 Semi-major axis a = 6,378,388.000 m, inverse flattening 1/f = 297.000

Correct Answer:

Semi-major axis a = 6,378,249.145 m, inverse flattening 1/f = 293.465

Question 4

In the Nigeria Transverse Mercator (NTM) projection grid system, what are the central meridians assigned to the three longitudinal belts?

4.5° E (West), 8.5° E (Mid), and 11.5° E (East) 4.0° E (West), 8.0° E (Mid), and 12.0° E (East) 5.0° E (West), 9.0° E (Mid), and 13.0° E (East) 3.0° E (West), 7.0° E (Mid), and 11.0° E (East)

Correct Answer:

4.5° E (West), 8.5° E (Mid), and 11.5° E (East)

Question 5

What is the design scale factor at the central meridian for the Nigeria Transverse Mercator (NTM) projection, and how does it compare to the Universal Transverse Mercator (UTM)?

NTM scale factor is 0.99975, which is higher than the UTM scale factor of 0.9996 NTM scale factor is 0.9996, which is identical to the UTM scale factor NTM scale factor is 1.00000, indicating no distortion at the central meridian NTM scale factor is 0.99990, which is lower than the UTM scale factor of 0.9996

Correct Answer:

NTM scale factor is 0.99975, which is higher than the UTM scale factor of 0.9996

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Prepare with the SURCON Professional Practice Questions - SURCON Professional Examination - Surveyor Exam practice quiz. This question bank includes 100 questions covering nigeria, survey, surveyor, registered, and surcon. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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SURCON Professional Practice Questions - SURCON Professional Examination - Surveyor Exam

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SURCON Professional Practice Questions - SURCON Professional Examination - Surveyor Exam

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