SURVEYING QUIZ | EXAMIANS

Sensitiveness of a level tube is designated by

length of bubble of level tube

None of these

length of level tube

radius of level tube

TRUE ANSWER : ?
YOUR ANSWER : ?

Local attraction in compass surveying may exist due to

incorrect levelling of the magnetic needle

presence of magnetic substances near the instrument

friction of the needle at the pivot

loss of magnetism of the needle

TRUE ANSWER : ?
YOUR ANSWER : ?

The sun's declination remains north between

September 21 to December 21

June 21 to September 21

Both (A) and (B) of above

March 21 to June 21

TRUE ANSWER : ?
YOUR ANSWER : ?

The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is

120 nautical miles

5700 nautical miles

500 nautical miles

5100 nautical miles

TRUE ANSWER : ?
YOUR ANSWER : ?

Triangulation surveys are carried out for locating

All of these

Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc.

Control points for photogrammetric surveys

Control points for surveys of large areas

TRUE ANSWER : ?
YOUR ANSWER : ?

The prismatic compass and surveyor’s compass

both give WCB of a line

give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively

both give QB of a line

both give QB of a line and WCB of a line

TRUE ANSWER : ?
YOUR ANSWER : ?

In an internal focussing type of telescope, the lens provided is

plano-convex

convex

concave

plano-concave

TRUE ANSWER : ?
YOUR ANSWER : ?

The orthogonal projection of the perspective centre on a tilted photograph, is called

Plumb point

Principal point

Isocenter

Nadir

TRUE ANSWER : ?
YOUR ANSWER : ?

A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is

Δ/3

Δ/4

Δ/2

Δ/6

TRUE ANSWER : ?
YOUR ANSWER : ?

Perspective centre relates to

Central projection

Orthogonal projection

None of these

Parallel projection

TRUE ANSWER : ?
YOUR ANSWER : ?