| 1. | The angle between the back tangent and forward tangent of a curve is known as ? | |
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deflection angle
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central angle
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angle of intersection
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none of these
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Report Question| 2. | The error in measured length due to sag of chain or tape is known as ? | |
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positive error
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negative error
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compensating error
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instrumental error
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| 3. | A line joining the apex of a triangle to some fixed point on the opposite side is called a ? | |
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check line
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tie line
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base line
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none of these
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| 4. | The length of peg interval for flat curves is ? | |
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15 m
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20 m
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25 m
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30 m
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| 5. | Chain surveying is most suitable when ? | |
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area to be surveyed is small
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ground is fairly level and open with simple details
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plans are required on a large scale
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all of the above
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| 6. | The instrument used for setting out an offset at a right angle, is called ? | |
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open cross-staff
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french cross-staff
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optical square
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adjustable cross-staff
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| 7. | The optical square is used to measure angles by ? | |
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reflection
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reflection
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double refraction
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double reflection
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| 8. | The line in which the plane passing through the given point and the north and south poles south pole 0 intersects the surface of the earth, is called ? | |
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arbitrary meridian
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magnetic meridian
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true meridian
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none of these
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| 9. | The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called ? | |
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passometer
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pedometer
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odometer
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speedometer
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| 10. | The horizontal angle between the true meridian and a survey line is called ? | |
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magnetic bearing
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azimuth
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dip
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magnetic decline
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