cameroon gce A level digital processing and survey technology 1
cameroon gce A level digital processing and survey technology 1
1. The kind of surveys where only a small area is considered is known as
A Geodetic surveys
B plane surveys
C aerial surveys
D hydrographic surveys
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2. A staff reading of 1.360m was read on a staff held on a Bench Mark whose height is 150.00.Determine the staff reading required to set out a point whose height is 149.316m.
A 2.404m
B 2.044m
C 0.684m
D 0.648m
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3. The polar coordinates of a point are defined by
A A distance D and a bearing V
B An height H and a distance D
C An angle β and a bearing V
D A vertical angle Vz and a horizontal angle Hz
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4. The sum(∑) of the internal angle of a triangle is
A 190o or 210gr
B 270o or 180gr
C 180o or 200gr
D 360o or 400gr
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5. The operation required to determine height differences between points on the surface of the earth is known as
A Plane surveying
B Levelling
C Setting out
D Traversing
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6. A line which is at a constant height relative to mean sea level is referred to as
A Level line
B Contour line
C Building line
D Plumb line
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7. The abbreviation EDM in topography stands for
A Electrical Digital measurement
B Electromagnetic Distance measurement
C Easy Distance measurement
D Elementary distance measurement
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8. LIS’s as an abbreviation in surveys stands for;
A Land information system
B Local information system
C Local information satellites
D Local internet system
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9. Which of the following is true for a +2% gradient?
A For every 1m moved, the land rises by 2cm
B For every 10 m moved the land rises by 2cm
C For every 100m moved the land rises by 2cm
D For every 50m moved, the land rises by 2cm
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10. HPC stands for
A Height of plane of collimation
B Higher precision collimation
C Height of parallel collimation
D Height of perfect collimation
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11. The first reading taken at an instrument’s station in direct levelling circuit is
A Foresight
B Back sight
C Intermediate sight
D Reduced sight
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12. The slope of a longitudinal alignment is expressed as 1 in 40, rising .Express this gradient in percentage
A +2.5%
B +0.025%
C -2.5%
D -0.05%
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13. The difference between a measured results and the exact value of a quantity is known as
A Blunder
B Mistake
C Error
D Deviation
