Electromagnetic distance measurement enables the accuracy up to

• (a)1 x 〖10〗^3
• (b)1 x 〖10〗^5
• (c)1 X 〖10〗^4
• (d)1 x 〖10〗^6

How many types of EDM instruments are there based on wavelength?

• 2
• 4
• 5
• 3

Which of the below is used up to a range of 100km?

• a) Infrared
• b) Microwave
• c) Visible range
• d) Ultra-violet

A total station is a combination of:

• a) EDM and Theodolite
• b) Compass and EDM
• c) Electronic Theodolite and EDM
• d) EDM and electronic Compass

Which unit in total station processes data collected?

• a) Data collector
• b) EDM
• c) Storage system
• d) Microprocessor

The bubble in total station is centralised using:

• a) Tripod
• b) Levelling screw
• c) Tangent screw
• d) Foot screw

Which is the latest development in total station?

• a) High resolution
• b) High accuracy
• c) Robotic
• d) Automatic

With a single prism assembly, total station can measure the distance up to

• (a)1 km
• (b)3 km
• (c)2 km
• d) 4km

Which of the below is not an application of total station?

• a) Crime scene investigation
• b) Furniture manufacture
• c) Mining
• d) Archaeology

How many types of EDM are there based on reflector type?

• 3
• 5
• 4
• 2