Civil Engineering All Engineering Career
Question 61
A reverse curve consists of ?
A reverse curve consists of two arcs of equal or different radii bending in opposite directions. This type of curve is used in road design and railway tracks to change the direction of travel smoothly.
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Question 62
In order to determine the natural features such as valleys, rivers, lakes etc., the surveying preferred is ?
In order to determine natural features such as valleys, rivers, lakes, etc., the preferred type of surveying is topographical surveying. Topographical surveys are used to map and describe the physical features of an area, including both natural and man-made elements.
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Question 63
The vertical distance above or below the datum is called ?
The vertical distance above or below the datum is called either the reduced level of the point or the elevation of the point. So, the correct answer is either (a) or (b).
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Question 64
The index glass in an optical square is ?
The index glass in an optical square is actually wholly silvered. The silvered surface reflects the image of the sighting line, while the unsilvered part allows the sighting line to pass through, facilitating alignment and measurement.
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Question 65
The rise and fall method for obtaining the reduced levels of points provides a check on ?
The rise and fall method for obtaining the reduced levels of points provides a check on all of these: foresights, backsights, and intermediates sights. This method helps in ensuring the accuracy of the leveling process by allowing for the verification of each measurement.
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Question 66
An angle made by a survey line with the prolongation of the proceeding line, is known as ?
An angle made by a survey line with the prolongation of the preceding line is known as a deflection angle. This angle is used in surveying to determine the change in direction of a line from the previous line or reference direction.
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Question 67
The method of intersection in plane tabling is commonly used for ?
all of the above
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Question 68
The collimation method for obtaining the reduced levels of points does not provide a check on ?
The collimation method for obtaining the reduced levels of points does not provide a check on intermediate sights. This method primarily checks the accuracy of foresights, backsights, and change points but does not directly verify the intermediate sights.
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Question 69
In a prismatic compass, the zero of the graduated ring is located at ?
In a prismatic compass, the zero of the graduated ring is located at the south end. This arrangement allows the compass to read the bearing directly as the sighted object aligns with the corresponding reading on the compass card.
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Question 70
A tie line in a chain surveying ?
enables the surveyor to locate the interior details which are far away from the main chain lines
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These question are based on selected poems from Ker, D.et al (eds.) New poetry from Africa; Soyinka, (ed.): Poems of Black Africa; Senanu K.E. and Vincent, T.(eds.): A Selection of African poetry; Umukoro, M et al (eds.): Exam focus: Literature in English; Eruvbetine, A.E.et al (eds): Longman Examination Guide and Nwoga, D.I. (eds.): West African Verse.
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