Sample FUNDAMENTAL SURVEYING Practice Questions

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1. What is the purpose of the 'peg test' (two-peg test) for a level instrument?

   • A. To check if the tripod is stable
   • B. To detect and measure collimation error in the line of sight
   • C. To calibrate the rod interval factor
   • D. To check if the bubble tube is centered

   Answer: B. To detect and measure collimation error in the line of sight

   The two-peg test determines whether the instrument's line of sight is truly horizontal by comparing readings at equal and unequal distances.

2. What does a 90% confidence interval mean in surveying measurements?

   • A. 90% of observations fall within the interval
   • B. There is a 90% probability the true value lies within the interval
   • C. Only 10% of measurements are incorrect
   • D. The measurement error is less than 10%

   Answer: B. There is a 90% probability the true value lies within the interval

   A 90% confidence interval means there is a 90% probability that the true value falls within the stated range.

3. What is a 'deflection angle' in surveying?

   • A. The angle between magnetic north and a survey line
   • B. The angle measured right or left from the extension of the preceding course
   • C. The interior angle of a closed traverse
   • D. The vertical angle measured from the horizon

   Answer: B. The angle measured right or left from the extension of the preceding course

   A deflection angle is measured from the prolongation of the back course to the forward course, designated R (right) or L (left).

4. What does 'right-of-way' (ROW) refer to in surveying?

   • A. The surveyor's right to enter private property
   • B. A strip of land set aside for transportation or utility infrastructure
   • C. The legal priority given to a senior deed over a junior deed
   • D. The right to place survey monuments without a permit

   Answer: B. A strip of land set aside for transportation or utility infrastructure

   Right-of-way is a designated strip of land owned or controlled by a government or utility for roads, railroads, pipelines, or power lines.

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