WorksheetsSurveying and GPS Multiple Choice Questions
Total questions: 25
Worksheet time: 8hrs 20mins
Which of the following cannot be done with the help of theodolite in surveying?
Laying off horizontal angles
Locating points on lines
Prolonging survey lines
Measuring horizontal distances
Which branch of surveying is used to find the elevations of given points with respect to given or assumed datum?
Levelling
Contouring
Traversing
Plane table surveying
How many types do theodolites classified?
2
3
4
5
Which of the following is an integral part of the theodolite and is mounted on a spindle known as a horizontal axis?
Telescope
Index frame
Horizontal plane Vernier
Horizontal circle
Levelling deals with measurements in a _____
Horizontal plane
Inclined plane
Vertical plane
Both vertical and horizontal plane
Which term is used for the surface to which elevations are referred?
Level surface
Level line
Horizontal plane
Datum
In total station, data is stored in ______
Pen drive
Data card
Microprocessor
External hardware
When total station is sighted to the target, which of the operation acts first?
Rotation of optical axis
Rotation of vertical axis
Rotation of horizontal axis
Rotation of line of collimation
Which of the following is not a method of levelling?
Barometric levelling
Trigonometric levelling
Spirit levelling
Traverse levelling
What is the approximate time taken by the GPS for one complete orbit?
11 minutes
45 minutes
5 hours
12 hours
Global Positioning System (GPS) is operated by ______?
Russian Space Force
China Space Force
United States Space Force
French Air and Space Force
GNSS systems are ____________.
GPS
GLONASS
Galileo
All of them
How many satellites on the surface of Earth are used so that the location can be produced?
Three
Four
Five
Six
________ method is used in finding the exact coordinates for the surveying points.
Static GPS Baseline
Real-Time Kinematic Observations
Continuously Operating Reference Stations
All of them
The distance between base station and the second receiver is calculated by using ______ technique.
Static GPS Baseline
Real-Time Kinematic Observations (RTK)
Continuously Operating Reference Stations
All of them
_______ technique uses the multiple numbers of points during the period of measurement and used as the surveyed data.
Static GPS Baseline
Continuously Operating Reference Stations
Real-Time Kinematic Observations (RTK)
None of them
______ is defined as a curved surface which at each point is perpendicular to the direction of gravity at the point.
Level surface
Level line
Horizontal plane
Datum
By means of vertical circle clamp and its corresponding _______ the telescope can be set accurately at any desired position in the vertical plane.
tripod head
focusing screw
levelling head
tangent screw
Which of the following methods of levelling is a modified form of stadia levelling?
Barometric levelling
Trigonometric levelling
Spirit levelling
Traversing
In which direction it is best to place the total station for obtaining the best output?
East
West
South
North
The first staff reading taken after setting up of level on the point of known RL is known as ______.
Initial reading
Initial sight reading
Back sight reading
Four sight reading
The least count of levelling staff is _______.
5 cm
1 cm
5 mm
1mm
GPS is accurate within ________ meters.
4
5
6
7
How many satellites for GPS systems are currently in operation?
24
32
28
30
Least count of vernier transit theodolite is ______.
15”
20’
20”
1”
