D:-Compacted ground

Correct Answer:- Option-C
Question78:-Handles of chains are made up of

A:-mild steel

B:-galvanised iron

C:-brass

D:-copper

Correct Answer:- Option-C
Question79:-Distance between two neighbouring brass rings is

A:-less than 20 cm

B:-20 cm

C:-1m

D:-5 m

Correct Answer:- Option-C
Question80:-Due to curvature of earth the object

A:-looks higher than it is

B:-looks lower than it is

C:-looks as it is

D:-looks curved

Correct Answer:- Option-B
Question81:-Generally while chaining, the arrows which accompany with one chain must be

A:-12 nos

D:-3 nos
Correct Answer:- Option-B
Question82:-Generally the limiting length of an offset should be
A:-5 m
B:-15 m

:30ന
D:-50 m
Correct Answer:- Option-B
Question83:-In rise and fall method, a complete check is provided on the calculations of
A:-back sight
-fore sight
-intermediate sights
D:-all the sights
Correct Answer:- Option-D
Question84:-The straight line tangential to the longitudinal curve of the level tube at its centre is called as
A:-horizontal axis
-trunnion axis
C:-stadia line
D:-axis of the bubble tube
Correct Answer:- Option-D
Question85:-The axis about which the telescope and the vertical circle of a theodolite rotate in the vertical plane is called
A:-vertical axis of the telescope
B:-bubble axis
C:-trunnion axis
D:-axis of the level tube
Correct Answer:- Option-C
Question86:-The maximum tolerance in a 20 m chain is

Correct Answer:- Option-C
Question87:-The size of a plane table is

A:-750 mm x 900 mm

B:-600 mm x 750 mm