Surveying MCQs
An ideal transition curve is
A) cubic parabola
B) cubic spiral
C) clothoid spiral
D) true spiral
Check Answer
C) clothoid spiral
The latitude of a traverse leg is obtained by multiplying its length by
A) tangent of its reduced bearing
B) sign of its reduced bearing
C) cosine of its reduced bearing
D) cosecant of its reduced bearing
Check Answer
C) cosine of its reduced bearing
Pantagraph is used for
A) measuring distances
B) measuring areas
C) enlarging or reducing plans
D) setting out right angles
Check Answer
C) enlarging or reducing plans
The diaphragm of a stadia theodolite is fitted with two additional
A) horizontal hairs
B) vertical hairs
C) horizontal and two vertical hairs
D) none of these
Check Answer
A) horizontal hairs
Orientation of a plane table by solving two point problem is only adopted when
A) saving of time is a main factor
B) better accuracy is a main factor
C) given points are inaccessible
D) none of these
Check Answer
C) given points are inaccessible
A back sight
A) is always taken on a point of known elevation or can be computed
B) is added to the known level to obtain the instrument height
C) taken on an inverted staff is treated as negative
D) all the above
Check Answer
D) all the above
The best method of interpolation of contours, is by
A) estimation
B) graphical means
C) computation
D) all of these
Check Answer
C) computation
Measuring with a 30 m chain, 0.01 m too short, introduces
A) positive compensating error
B) negative compensating error
C) positive cumulative error
D) negative cumulative error
Check Answer
C) positive cumulative error
When the bubble of the level tube of a level, remains central
A) line of sight is horizontal
B) axis of the telescope is horizontal
C) line of collimation is horizontal
D) geometrical axis of the telescope is horizontal
Check Answer
A) line of sight is horizontal
A relatively fixed point of known elevation above datum, is called
A) bench mark
B) datum point
C) reduced level
D) reference point
Check Answer
A) bench mark