In an internal focussing type of telescope, the lens provided is_______________?

Related Mcqs:

1. If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to_________________?

   1. altitude bubble on index frame
   2. altitude bubble on index frame if it is to be used as a level
   3. altitude bubble on telescope
   4. altitude bubble on telescope if it is to be used as a level
   The correct answer is?

   A. only (1)
   B. both (1) and (4)
   C. only (3)
   D. both (2) and (3)

2. The process of turning the telescope about the vertical axis in horizontal plane is known as______________?

   A. transiting
   B. reversing
   C. plunging
   D. swinging

3. A telescope is said to be inverted if its______________?

   A. vertical circle is to its right and the bubble of the telescope is down
   B. vertical circle is to its right and the bubble of the telescope is up
   C. vertical circle is to its left and the bubble of the telescope is down
   D. vertical circle is to its left and the bubble of the telescope is up

4. The cross hairs in the surveying telescope are placed_____________?

   A. midway between eye piece and objec¬tive lens
   B. much closer to the eye-piece than to the objective lens
   C. much closer to the objective lens than to the eye piece
   D. anywhere between eye-piece and objective lens

5. The maximum tolerance in a 20 m chain is_______________?

   A. ±2 mm
   B. ±3 mm
   C. ±5 mm
   D. ±8 mm

6. In the double application of principle of reversion, the apparent error is_______________?

   A. equal to true error
   B. half the true error
   C. two times the true error
   D. four times the true error

7. Contour interval is_______________?

   A. inversely proportional to the scale of the map
   B. directly proportional to the flatness of ground
   C. larger for accurate works
   D. larger if the time available is more

8. 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_______________?

   A. 0.1
   B. 0.4
   C. 0.6
   D. 1.33

9. The type of surveying which requires least office work is________________?

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

10. 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