21) Local attraction in compass surveying may exist due to

incorrect levelling of the magnetic needle

loss of magnetism of the needle

friction of the needle at the pivot

presence of magnetic substances near the instrument

Answer is:

presence of magnetic substances near the instrument

Surveying MCQ with Answers

For more MCQ's Click Here

22) In the quadrantal bearing system, a whole circle bearing of 293° 30' can be expressed as

W23° 30'N

N66° 30'W

S113° 30'N

N23° 30'W

Answer is:

N66° 30'W

23) The prismatic compass and surveyor's compass

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

both give QB of a line and WCB of a line

both give QB of a line

both give WCB of a line

Answer is:

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

24) The horizontal angle between the true meridian and magnetic meridian at a place is called

azimuth

declination

local attraction

magnetic bearing

Answer is:

declination

25) A negative declination shows that the magnetic meridian is to the

eastern side of the true meridian

western side of the true meridian

southern side of the true meridian

none of the above

Answer is:

western side of the true meridian

Surveying MCQ with Answers

For more MCQ's Click Here

21) Local attraction in compass surveying may exist due to

presence of magnetic substances near the instrument

Surveying MCQ with Answers

Related Surveying MCQ with Answers

22) In the quadrantal bearing system, a whole circle bearing of 293° 30' can be expressed as

N66° 30'W

23) The prismatic compass and surveyor's compass

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

24) The horizontal angle between the true meridian and magnetic meridian at a place is called

declination

25) A negative declination shows that the magnetic meridian is to the

western side of the true meridian

Surveying MCQ with Answers