ESE 2021 Technical Quiz : Chain Surveying & Levelling

A scale has a representative fraction of  . What will be the length measured on the ground if the length of plan is 5 cm.

What will be the length of one division of Vernier scale when length of main division of main scale is 0.2 mm and least count of Vernier is 0.12 mm

A line measuring 16 cm on plan is actually 245 m long on ground. What is the scale adopted for surveying?

Match list 1 with list 2 and select the correct answer using the codes given below the lists:

List 1

P) Ranging Rod

Q) Cross Staff

R) Chains

S) Arrows

List 2

1) To measure distance between two points

2) To draw offsets perpendicular to main line

3) To mark the points measured on the chain line

4) To establish intermediate points on the survey line

A chain was designated to be 30 m long was found to be 0.2 m too long. If the measured length of chain is 354.89 m, what will be the true length