A. straightening the links
B. removing one or more small circular rings
C. closing the joints of the rings if opened out
D. all of the above
Related Mcqs:
- The length of a chain is measured from_______________?
A. centre of one handle to centre of other handle
B. outside of one handle to outside of other handle
C. outside of one handle to inside of other handle
D. inside of one handle to inside of other handle - Sensitiveness of a level tube is designated by______________?
A. radius of level tube
B. length of level tube
C. length of bubble of level tube
D. none of the above - 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 - The maximum tolerance in a 20 m chain is_______________?
A. ±2 mm
B. ±3 mm
C. ±5 mm
D. ±8 mm - For accurate work, the steel band should always be used in preference to chain because the steel band______________?
A. is lighter than chain
B. is easier to handle
C. is practically inextensible and is not liable to kinks when in use
D. can be easily repaired in the field - The allowable length of an offset depends upon the______________?
A. degree of accuracy required
B. method of setting out the perpendiculars and nature of ground
C. scale of plotting
D. all of the above - If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be________________?
A. +50 m, +86.6 m
B. +86.6 m, -50 m
C. +50m, -86.6 m
D. +70.7 m,-50 m - 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 - Cross staff is an instrument used for________________?
A. measuring approximate horizontal angles
B. setting out right angles
C. measuring bearings of the lines
D. none of the above - If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will_________________?
A. increase
B. decrease
C. not change
D. either ‘a’ or ‘b’