| 1. | The horizon glass in an optical square is ? | |
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wholly silvered
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wholly unsilvered
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one-fourth silvered and three-fourth unsilvered
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half silvered and half unsilvered
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Report Question| 2. | The obstacle, which obstructs vision but not chaining, is a ? | |
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river
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pond
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hill
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all of these
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| 3. | The true or geographical meridians through the various stations ? | |
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are parallel
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converge to the poles
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converge from north pole to south pole
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converge from south pole to north pole
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| 4. | The horizontal angle between the true meridian and magnetic meridian is known as ? | |
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true bearing
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dip
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local attraction
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magnetic decline
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| 5. | When the object lies on the left hand side of the chain line, then while taking offset with at optical square, it is held in ? | |
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left hand upside down
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right hand upside down
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left hand upright
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right hand upright
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| 6. | In a whole circle system, the bearing of a line is measured ? | |
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always clockwise from the south point of the reference meridian towards the line right round the circle
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clockwise or anticlockwise from the east or west whichever is nearer the line towards north or south
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clockwise or anticlockwise from the north or south whichever is nearer the line towards east or west
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none of the above
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| 7. | Due to the magnetic influence of the earth, the magnetic needle of the prismatic compass be inclined downward towards the pole. This inclination of the needle with the horizontal is know ? | |
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true bearing
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dip
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local attraction
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magnetic decline
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| 8. | Which of the following statement is wrong ? | |
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The magnetic meridian coincides with the true meridian at all the places.
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The magnetic meridian does not vary from place to place on the earth's surface.
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The magnetic declination at a place is constant.
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all of the above
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| 9. | In plane surveying, ? | |
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the curvature of the earth is taken into consideration
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the curvature of the earth is taken into consideration
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the surveys extend over small areas
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the surveys extend over large areas
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| 10. | An average length of a pace is ? | |
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60 cm
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80 cm
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100 cm
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120 cm
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