SURVEYING QUIZ | EXAMIANS

The correction for parallax, is

+ 8".8 cos α

- 8".8 cos α

+ .8" sin α

- 8".8 cos α

TRUE ANSWER : ?
YOUR ANSWER : ?

Sensitiveness of a level tube is designated by

radius of level tube

length of level tube

None of these

length of bubble of level tube

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.

By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres

By subtracting their longitudes if places are in the same hemisphere

By adding their longitudes if places are in the different hemispheres

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The point on the celestial sphere vertically below the observer's position, is called

Pole

Nadir

Zenith

Celestial point

TRUE ANSWER : ?
YOUR ANSWER : ?

On vertical photographs, height displacement is

Positive for points above datum

All listed here

Negative for points below datum

Zero for points vertically below the air station

TRUE ANSWER : ?
YOUR ANSWER : ?

If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about

10 km

50 km

25 km

30 km

TRUE ANSWER : ?
YOUR ANSWER : ?

The zenith is the point on the celestial sphere

West of observer

East of observer

South of observer

North of observer

TRUE ANSWER : ?
YOUR ANSWER : ?

With the rise of temperature, the sensitivity of a bubble tube

decreases

increases

remains unaffected

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by

sin λ

cot λ

cos λ

tan λ

TRUE ANSWER : ?
YOUR ANSWER : ?

If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is

75 m

50 m

25 m

7.5 m

TRUE ANSWER : ?
YOUR ANSWER : ?