SURVEYING MCQS SET 03

SURVEYING MCQS SET 03

1.  In chain surveying field work is limited to
A. linear measurements only
B. angular measurements only
C. both linear and angular measurements
D. all the above.
Answer: Option A
 

2. Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is
A. 10 cm
B. 20 cm
C. 30 cm
D. 40 cm
Answer: Option C
 

3. Geodetic surveying is undertaken
A. for production of accurate maps of wide areas
B. for developing the science of geodesy
C. making use of most accurate instruments and methods of observation
D. for determination of accurate positions on the earth's surface of system of control points
E. all the above.
Answer: Option E
 

4. One of the tacheometric constants is additive, the other constant, is
A. subtractive constant
B. multiplying constant
C. dividing constant
D. indicative constant.
Answer: Option B
 

5.  The limiting length of an offset does not depend upon
A. accuracy of the work
B. method of setting out perpendiculars
C. scale of plotting
D. indefinite features to be surveyed.
Answer: Option D
 

6. In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
A. adding 180°, if the given bearing is less than 180°
B. subtracting 180°, if the given bearing, is more than 180°
C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
D. none of these.
Answer: Option C
 

7. For setting out a simple curve, using two theodolites.
A. offsets from tangents are required
B. offsets from chord produced are required
C. offsets from long chord are required
D. deflection angles from Rankine's formula are required
E. none of these.
Answer: Option E
 

8. Pick up the correct statement from the following:
A. the theodolite in which telescope can be rotated in vertical plane is called a transit
B. when the vertical circle is to the left of the telescope during observation, it is called to be in left face
C. when the vertical circle is to the right of the telescope during observation, it is called to be in right face
D. all the above.
Answer: Option D
 

9. Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following
A. chain surveying
B. compass surveying
C. plan table surveying
D. tacheometric surveying.
Answer: Option C
 

10. While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is
A. correctly focussed
B. not correctly focussed
C. said to have parallax
D. free from parallax.
Answer: Option C