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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Q. If L is true length of chain and L’ is incorrect length of the chain the correction to Volume V is _______

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

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Q. The difference between a measurement and the true value of the quantity measured is _____

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Q. The difference between the two measured values of the same quantity is ______

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Q. Which of the following are not sources of errors?

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Q. A tape may be too long or an angle measuring instrument may be out of adjustment. Then such type of error comes under which source of error?

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Q. Investigation of observations of various types shows that accidental errors follow a definite law. This law is called ______

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Q. A line which joins subsidiary stations on the main line is called _____

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Q. In which type of surveying only linear measurements are made?

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Q. A survey station is prominent on the chain line and can be either at the beginning of the chain or at the end. Such stations are known as ______

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Q. What is laid by joining the apex of the triangle to any point on the opposite side or by joining two points on any two sides of a triangle?

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Q. The accuracy in the location of the objects depends upon the accuracy in laying the ________

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Q. Survey stations must be mutually visible to obtain a good system of line.

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