Surveying Basics - Quiz

Quiz Question

1.	A basic field survey establishes the horizontal and/or vertical location of a series of points in relation to a starting point called a _____________.
		Landmark
		Benchmark
		Greymark
		None of the above
2.	Which of the following is recommended methods for establishing a benchmark?
		Boulder monument
		Spike monument
		Cement monument
		All of the above
3.	The __________ profile survey is important for measuring the slope of the water surface, channel bed, flood plain and terraces.
		Latitudal
		Longitudinal
		Perpetual
		Ellipsoidal
4.	The following figure shows how to ________________?
		Center the base plate
		Centering the bubble
		Clean the leveling screws
		All of the above
5.	__________ is a rod reading taken on a point of know elevation. It is the actual vertical distance from the point of known elevation to a horizontal line projected by the instrument.
		Fore sight
		Rod sight
		Back sight
		None of the above
6.	The points for which elevations are known or determined are called
		Benchmarks
		Turning Points
		Both
		None of the above
7.	Equation to estimate the error at the closure of survey is
		None of the above
8.	The process of differential levelling with many intermediate foresights between turning points is called profile levelling
		False
		True
9.	While measuring the channel cross-section, least number of measurements recommended to accurately portray most channel are
		2
		20
		200
		2000
10.	Features to look for when locating the permanent cross-section are
		A straight reach between two meander bends
		Active floodplain or bankfull discharge
		Presence of terraces
		All the above