[] HORIZONTAL AND VERTICAL DISTANCE

Question 1

[Horizontal Distance]
Distance by Measurement

Answer 1

Pacing
Taping
Tachymetry (Stadia and Subtense Bar Method)

Question 2

length of step in walking

Answer 2

pace

Question 3

length of one’s pace

Answer 3

pace factor

Question 4

pacing relative precision

Answer 4

1/200

Question 5

Most common method of measuring or laying out of horizontal distances

Answer 5

taping

Question 6

Measured by stretching a calibrated tape between two points and reading distance indicated on the tape

Answer 6

taping

Question 7

taping relative precision

Answer 7

1:1000 to 1:25000

Question 8

Tacheometry based on optical geometry

Answer 8

Tachymetry

Question 9

Precision depends on instrument, skills of the observer, length to be measured, parallax and refraction

Answer 9

Stadia Method

Question 10

Used in the topographic survey

Answer 10

Stadia Method

Question 11

tachymetry relative precision

Answer 11

1:300 and 1:1000

Question 12

D=Ks+C

Answer 12

Stadia Method

Question 13

D=(𝑆/2)/tan⁡〖𝛼/2〗

Answer 13

Subtense Bar Method

Question 14

Subtense Bar

Answer 14

2 meters long

Question 15

[Horizontal Distance]
Distance by Mechanical Drive

Answer 15

Odometer
Measuring Wheel
Optical Rangefinder

Question 16

Measuring the number of revolution of the wheel

Answer 16

Odometer

Question 17

odometer precision

Answer 17

1:200

Question 18

Similar to odometer except more portable and self-Contained

Answer 18

measuring wheel

Question 19

Uses single-lens reflex camera

Answer 19

Optical Rangefinder

Question 20

Optical Rangefinder

Answer 20

1:50 for distance less than 500 meters