Plane table survey mcq

Which instrument is used to sight to an object?

A. Alidade

B. Plumbing fork

C. U-frame

D. Compass

• A

• B

• C

• D

Plane table (PT) surveying is a which method?

A. Angular

B. Circular

C. Linear

D. Graphical

• A

• B

• C

• D

Plane table is made of?

A. Plastic

B. Wood

C. Rubber

D. Metal

• A

• B

• C

• D

Which of the below is used for leveling a plane table?

A. U-frame

B. Compass

C. Spirit level

D. Plumb bob

• A

• B

• C

• D

Which of the below is not an advantage of PT survey?

A. Used for accurate works

B. Less costly

C. Field book is not required

D. Rapid method

• A

• B

• C

• D

How many ways are there to orient a plane table?

A. 1

B. 2

C. 3

D. 4

• A

• B

• C

• D

Plan table surveying uses the methodology of?

A. Traversing

B. Ranging

C. Contouring

D. Triangulation

• A

• B

• C

• D

Orientation of plane table by two point problem is only

adopted when

• Saving of time is a main factor

• Better accuracy is a main factor

• Given points are inaccessible

• All the above

Answer explanation

Explanation:

Orientation of plane table: - The operation of keeping the

table at each of the successive stations parallel to the

position which it occupied at the first station is known as

orientation. The orientation is required only, when the

instrument has to be set up at more than one station.

There are two methods of orienting the table

(1) Orientation by the magnetic needle, and

(2) Orientation by backsighting.

The seconed method is most accurate method

which of the plane table is with an arrangement of ball and socket joint and vertial spindel with two thumb screws

• traverse table

• johnson table

• coast of survey table

• none of these

plumbing fork is used to which the plane table?

A. Level

B. Orient

C. Center

D. Focus

• A

• B

• C

• D