What is the primary purpose of chain surveying?
a) To measure angles
b) To determine elevations
c) To measure distances and areas
d) To locate underground utilities
Answer: c
Which of the following is a common error in chain surveying?
a) Incorrect reading of angles
b) Sagging of the chain
c) Parallax error
d) Instrumental error in theodolite
Answer: b
Which method is commonly used to calculate the area in chain surveying?
a) Bowditch Rule
b) Simpson's Rule
c) Tangential Method
d) Compass Rule
Answer: b
What is a significant obstacle in chain surveying?
a) Steep slopes
b) Dense vegetation
c) Water bodies
d) All of the above
Answer: d
The primary purpose of compass surveying is to measure:
a) Angles
b) Distances
c) Bearings
d) Elevations
Answer: c
What is the main instrument used in compass surveying?
a) Dumpy Level
b) Prismatic Compass
c) Theodolite
d) Tacheometer
Answer: b
Which error is caused by local attraction in compass surveying?
a) Incorrect leveling
b) Deflection in magnetic needle readings
c) Sag correction error
d) Parallax error
Answer: b
What is the process of determining the relative heights of points on the ground called?
a) Levelling
b) Contouring
c) Tacheometry
d) Traversing
Answer: a
Which component of a leveling instrument helps in focusing the object?
a) Telescope
b) Bubble Tube
c) Vertical Circle
d) Plumb Bob
Answer: a
What is the main principle of tacheometry?
a) Traversing
b) Measurement of distances indirectly
c) Leveling with high precision
d) Angle measurement
Answer: b
What is the stadia interval factor used in stadia tacheometry?
a) 100
b) 0.5
c) 200
d) 1000
Answer: a
What is the purpose of a Bowditch Rule in surveying?
a) To calculate bearings
b) To adjust traverse errors
c) To determine elevations
d) To perform contouring
Answer: b
Which of the following is a major advantage of using Total Station in surveying?
a) Measures only vertical angles
b) Requires manual data recording
c) Provides high precision and electronic data storage
d) Can only be used for small areas
Answer: c
What is the main function of a Global Positioning System (GPS) in surveying?
a) To measure internal angles
b) To provide absolute positions in latitude and longitude
c) To determine the slope of the ground
d) To find magnetic north
Answer: b
Which of the following is an application of GIS in Civil Engineering?
a) Planning and management of urban development
b) Designing of structural components
c) Calculation of bearing capacity
d) Preparation of concrete mix design
Answer: a