# Practice Test: Question Set - 01

**1. What is the variation, in the magnetic meridian swings like a pendulum in one direction for a long period and gradually comes to rest and then swings in the opposite direction?**

- (A) Secular
variation

- (B) Annual
variation

- (C) Irregular
variation

- (D) Daily
variation

**2. What is the error if the magnetic needle of a compass not being straight?**

- (A) Instrumental
error

- (B) Manipulation
error

- (C) Sighting
error

- (D) External
influences

**3. What is the sum of the interior angle of a pentagon?**

- (A) 260°

- (B) 360°

- (C) 440°

- (D) 540°

**4. Which is location attraction in compass survey?**

- (A) Steel
Structure

- (B) Building

- (C) Trees

- (D) Hills

**5. What is the value of back bearing of the line AB when the fore bearing of the line is 85 Degree 30 Minutes?**

- (A) 215 Degree
30 Minutes

- (B) 240 Degree
30 Minutes

- (C) 265 Degree
30 Minutes

- (D) 300 Degree
30 Minutes

**6. Which method is more accurate in plotting a compass survey?**

- (A) Parallel meridian
method

- (B) Included
angle method

- (C) Paper
protractor method

- (D) Rectangular
co-ordinate method

**7. What is the direction of magnetic needle always pointing?**

- (A) East

- (B) West

- (C) South

- (D) North

**8. What is back bearing of AB if fore bearing of AB = 63 Degree 30 Minutes?**

- (A) 243 Degree
30 Minute

- (B) 116 Degree
30 Minute

- (C) 242 Degree
30 Minute

- (D) 115 Degree
30 Minute

**9. What is the compass with the graduations are marked as south with 0° and north with 180°?**

- (A) Trough
compass

- (B) Magnetic
compass

- (C) Surveyor
compass

- (D) Prismatic
compass

**10. What angle is differed due is local attraction at a particular place detected in fore and back bearing line?**

- (A) 45°

- (B) 90°

- (C) 180°

- (D) 270°

**11. What is the variation of declination occurred due to magnetic storms such as earth quakes and the amount of variation may be even 1° or 2°?**

- (A) Secular
variation

- (B) Annual
variation

- (C) Irregular
variation

- (D) Regular Variation

**12. What is the direction indicated by an imaginary circle passing around the earth through the place north and South Pole?**

- (A) True
meridian

- (B) Arbitrary
meridian

- (C) Magnetic
meridian

- (D) Assured
meridian

**13. What is the error if the compass is affected by external influences?**

- (A) The pivot
being bent

- (B) Local
attraction

- (C) Inaccurate
levelling

- (D) The vertical
hair being thick

**14. What is the compass that has graduation marked as 0° on North and South and 90° on East and West?**

- (A) Trough
compass

- (B) Magnetic
compass

- (C) Surveyor’s
compass

- (D) Prismatic
compass

**15. What is the true bearing, if the magnetic bearing of the line is N 37°W and the magnetic declination is 2°E?**

- (A) N 35° W

- (B) S 35° E

- (C) N 39° W

- (D) S 39° N

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