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Mapping & Platting Techniques Flashcards

7 cards from real CST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Mapping & Platting Techniques flashcards as text

  1. Using the coordinate method, what is the area of a triangle with vertices at (0,0), (100,0), and (0,50) in feet?

    Answer: 2,500 sq ft

    The area is ½ × 100 × 50 = 2,500 sq ft.

  2. A rectangular lot measures 200 ft by 217.8 ft. What is its area in acres?

    Answer: 1.00 acre

    200 × 217.8 = 43,560 sq ft, which is exactly one acre.

  3. A traverse with a 2,400 ft perimeter has a linear misclosure of 0.24 ft. What is its relative precision?

    Answer: 1:10,000

    2,400 ÷ 0.24 = 10,000, giving 1:10,000.

  4. Which item is typically required on a final subdivision plat before it can be recorded?

    Answer: The surveyor's signed and sealed certificate

    Recording jurisdictions require a licensed surveyor's certification, signature, and seal on the plat.

  5. Under the U.S. National CAD Standard, which discipline designator is used for survey and mapping layers?

    Answer: V-

    NCS uses 'V' for survey/mapping, 'C' for civil, 'S' for structural, and 'L' for landscape.

  6. A line bears N 60° E and is 200.00 ft long. What is its departure?

    Answer: 173.21 ft

    Departure = 200 × sin 60° = 173.21 ft.

  7. What is the back bearing of a line with a forward bearing of S 45°15' W?

    Answer: N 45°15' E

    A back bearing keeps the same angle and reverses both direction letters.