Q. Degree of accuracy for Invar tape, spring balance is _____

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Q. Degree of accuracy for steel tape, Plumb bob is _______

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Q. Degree of accuracy for tested chain is _________

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Q. Degree of accuracy for chain under the average condition is _______

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Q. Degree of accuracy for a chain on rough or hilly ground is _________

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Q. Which line passes through a point, such that plane passing that point and the north and south poles, intersects with the surface of the earth?

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Q. Horizontal angle with the true Meridian through one of the extremities of the line is called?

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Q. Direction shown by a freely floating and balanced magnetic needle free from all other attractive forces is __________

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Q. Horizontal angle with the Magnetic Meridian through one of the extremities of the line is called ______

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Q. Convenient direction towards permanent and prominent mark or signal is _________

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Q. Horizontal angle with the Arbitrary Meridian through one of the extremities of the line is called _______

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Q. The Magnetic Bearing of a line is 48°24′. Calculate the true bearing if the magnetic declination is 5°38′ East.

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Q. The magnetic bearing of a line AB is S 28°30′ E. Calculate the true bearing if the declination is 7°30′ West.

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Q. Horizontal angle between true meridian and magnetic meridian is __________

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Q. When magnetic meridian is right side to true meridian, then Magnetic Declination is said to be _________

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Q. When magnetic meridian is left side to true meridian, then Magnetic Declination is said to be ________

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Q. The length of a line measured with a 20 m chain was found to be 250 m. Calculate the true length of the line if the chain was 10 cm too long.

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Q. The length of a survey line was measured with a 20 m chain and was found to be equal to 1200 m. If the length again measured with 25 m chain it is 1212 m. On comparing the 20 m chain with the test gauge, it was found to be 1 decimeter too long. Find the actual length of 25 m chain used.

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Q. A surveyor measured the distance between two points on the plan drawn to a scale of 1 cm is equal 40 m and the result was 468 m. But, actual scale is 1 cm = 20 m. Find the true distance between the two points.

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Q. If L is true length of chain and L’ is incorrect length of the chain the correction to area A is _________

(Where ∆L/L = e, e is small and A’ is measured area)

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