If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is_______________?

Related Mcqs:

The permissible error in chaining for measurement with chain on rough or hilly ground is_____________?

A. 1 in 100 B. 1 in 250 C. 1 in 500 D. 1 in 1000...

If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is________________?

A. 77° N B. 23° S C. 13° E D. 13° W...

As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be________________?

A. 98.70 B. 100.00 C. 102.30 D. 103.30...

The type of surveying which requires least office work is________________?

A. tacheomefry B. trigonometrical levelling C. plane table surveying D. theodolite surveying...

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________________?

A. 7.5 m B. 25 m C. 50 D. 75 m...