| 1. | When 1 cm on a map represents 10 M on the ground , the representative fraction of the scale is ? | |
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1/10
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1/100
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1/1000
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1/10000
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Report Question| 2. | In measuring horizontal angles, the theodolite should be turned ? | |
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clockwise from the forward station to the back station
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clockwise from the back station to the forward station
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anticlockwise from the forward station to the back station
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anticlockwise from the forward station to the back station
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| 3. | When the centres of the arcs lie on the opposite sides of the common tangent at the junction the two curves, it is known as a ? | |
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simple curve
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vertical curve
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compound curve
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reverse curve
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| 4. | In the surveying telescope, diaphragm is held ? | |
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inside the eye piece
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inside the objective
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nearer to the eye piece
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nearer to the objective
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| 5. | When the cross-hairs are not clearly visible ? | |
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the cross-hairs should be adjusted
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the eye-piece should be focussed
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the objective should be focussed
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the parallex should be removed
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| 6. | The angle of field of the telescope ? | |
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is independent of the size of the object glass
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increases as the size of the eye piece increases
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decreases as the distance between eye piece and object increases
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all of the above
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| 7. | The instrument, belonging to a class of reflecting instrument, is ? | |
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line ranger
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box sextent
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prismatic compass
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all of these
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| 8. | A base line in a chain survey ? | |
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checks the accuracy of the framework
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enables the surveyor to locate the interior details which are far away from the main chain lines
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fixes up the directions of all other lines
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all of the above
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| 9. | The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the ground, is called ? | |
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levelling
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centering
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setting
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orientation
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| 10. | In order to measure a horizontal angle more accurately than a vernier, a ? | |
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method of repetition is used
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method of reiteration is used
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method of deflection angles is used
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method of double observations is used
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