Loksewa Questions of Forestry (Survey) MCQ

1. Revenue Chain is divided into?

➡16 links
(Revenue Chain: It is mainly used in cadastral survey. It is 33 feet long having 16 links.)

2. Anemometer measures ...................
➡ Wind Velocity
(An anemometer is a device used for measuring wind speed, and is a common weather station instrument)

3. Length of meter chain is :

➡20m and 30 m

• The most commonly used metric chains in surveying are 20m and 30m chains
• The 20m chain is divided into 100 links and the 30m chain is divided into 150 links. So that each links is 20cm long.

Some other chains are:

1. Gunter's Chain: It is 66 feet long and is divided into 100 links. Each link is 0.66 feet long.
2. Revenue Chain: It is 33 feet long and is divided into 16 links. Each link is 2.0625 feet long.
3. Engineer's Chain: It is 100 feet long and divided into 100 links. Each link is 1 foot long.

4. Gunter's Chain is how much fit long and contains how many links?

➡ 66 feet and 100 links

5. The Survey in which curvature effect of the earth is taken into account is ....?

➡ Geodetic Surveying

Note: 

Surveying is primarily classified as:

1. Plane Surveying

2. Geodetic Surveying

Plane Surveying: It is the type of surveying in which

• the mean surface of the earth is considered as plane and spheroidal shape is neglected.
• All triangles formed by survey lines are considered plane triangles.
• Plumb Lines are considered Parallels.

Geodetic Surveying: It is a type of surveying in which

• the shape of the earth is taken into account
• all triangles formed by surface are spherical triangles.
• Plumb Lines are not considered parallel.

6. The survey in which the curvature of the earth is ignored is called:

➡ Plane Survey

7.Surveying is the art of determining ........... position of different features on the surface of the earth.

➡ Relative

8.The surveying used to determine additional details such as boundaries of field, is called?

➡Cadastral Survey

9.One right angle =

➡π/ 2 radian

10. To determine the relative position of objects under water ......... survey is conducted?

➡Marine Survey

Surveying