FS Exam Questions with Correct Answers 2025

FS Exam Questions with Correct Answers 2025 Multipath errors are most likely to occur in a receiver in which of the following locations? - Correct Answer Urban area with numerous tall buildings Elevations determined by GPS are reference to which of the following? - Correct Answer Ellipsoid Which of the following conditions would be expected with an increasing value for PDOP? - Correct Answer A decrease in positional accuracy The most suitable elevation masks for differential GPS surveys are - Correct Answer 10 degrees at the base and 15 at the subordinate station Compared with single-frequency receivers, dual-frequency receivers generally are associated with which of the following? - Correct Answer Fewer errors due to atmospheric effect With a base station data collection interval of 2 sec, which of the following would be an acceptable collection rate for a GPS receiver at a subordinate station? - Correct Answer 4 sec In an area where the geoid is considerably above the earth's surface, which of the following is probably true? - Correct Answer The area is below sea level Parallels, or lines of latitude, measure the arc distance (in degrees) - Correct Answer Northerly and southerly from the equator to the poles Meridians, or lines of longitude, measure the arc distance (in degrees) - Correct Answer East and west of the prime meridian A Mercator projection uses which of the following? - Correct Answer Cylinder A Lambert projection uses which of the following? - Correct Answer Cone