Surveying
The correction applied to the measured base of length ‘L’ is

Sag = L³w²/24P² where w is the weight of tape/m
All of these
Tension = (P - Ps)L/AE
Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The prismatic compass and surveyor’s compass

both give WCB of a line
both give QB of a line and 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

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Theodolite is an instrument used for

measurement of both horizontal and vertical angles
measurement of horizontal angles only
tightening the capstan-headed nuts of level tube
measurement of vertical angles only

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The difference between a level line and a horizontal line is that

horizontal line is normal to plumb line while level line may not be normal to the plumb line
level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
level line is a curved line while hori-zontal line is a straight line
both are same

ANSWER DOWNLOAD EXAMIANS APP

Surveying
For a line AB

none is correct
the forebearing of AB and back bearing of AB differ by 180°
both (A) and (B) are correct
the forebearing of AB and back bearing of BA differ by 180°

ANSWER DOWNLOAD EXAMIANS APP