COMPASS SURVEYING - Practice Mode

1) What angle is differed due is local attraction at a particular place detected in fore and back bearing line?

45 Degree 90 Degree 180 Degree 270 Degree

Correct Answer: 180 Degree

2) What is the true bearing, if the magnetic bearing of the line is N 37 Degree W and the magnetic declination is 2 Degree E?

N 35 Degree W S 35 Degree E N 39 Degree W S 39 Degree N

Correct Answer: N 35 Degree W

3) What is the variation of declination occured due to magnetic storms such as earth quakes and the amount of variation may be even 1 Degree or 2 Degree?

Secular variation Annual variation Irregular variation Regular Variation

Correct Answer: Irregular variation

4) What is the variation, in the magnetic merdian swings like a pendulum in one direction for a long period and gradually comes to rest and then swings in the opposite direction?

Secular variation Annual variation Irregular variation Daily variation

Correct Answer: Secular variation

5) What is the compass with the graduations are marked as south with 0 Degree and north with 180 Degree?

Trough compass Magnetic compass Surveyor compass Prismatic compass

Correct Answer: Prismatic compass

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