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Home » Engineering » Aptitude Test - 61
Hassan
1.In a perfect prismatic compass
A. Magnetic axis and geometric axis of the needle coincide
B. Ends of the needle and pivot are in same vertical and horizontal planes
C. Pivot is vertically over the centre of the graduated circle
D. Magnetic axis and geometric axis of the needle coincide
2. Pick up the correct statement from the following:
A. Box sextant is used for the measurement of horizontal angles
B. Cross staff is used for setting out right angles
C. Gradiometer is used for setting out any required gradient
D. Box sextant is used for the measurement of horizontal angles
3.The formula for the horizontal distances for inclined sights, on staff held normalis (f/i) s cos θ + (f + d) cos θ ± h sin θ
A. Minus sign is used for angle of depression
B. Plus sign is used for angle of depression
C. Minus sign is used for angle of elevation
D. Minus sign is used for angle of depression
4. Accidental or compensating errors of length ‘L’ are proportional to
A. L
B. √L
C. ∛L
D. L
5.The latitude of a traverse leg is obtained by multiplying its length by
A. Tangent of its reduced bearing
B. Sign of its reduced bearing
C. Cosine of its reduced bearing
D. Tangent of its reduced bearing
6.If D is the degree of the curve of radius R, the exact length of its specified chord, is
A. Radius of the curve × sine of half the degree
B. Diameter of the curve × sine of half the degre
C. Diameter of the curve × cosine of half the degree
D. Radius of the curve × sine of half the degree
7.To avoid large centering error with very short legs, observations are generally made
A. To chain pins
B. By using optical system for centering the theodolite
C. To a target fixed on theodolite tripod on which theodolite may be fitted easily
D. To chain pins
8. Different grades are joined together by a
A. Compound curve
B. Transition curve
C. Reverse curve
D. Compound curve
9. Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations?
A. Measuring angle and distance from one transit station
B. Measuring angles to the point from at least two stations
C. Measuring angle at one station and distance from other
D. Measuring angle and distance from one transit station
10. The line of collimation method of reduction of levels, does not provide a check on
A. Intermediate sights
B. Fore sights
C. Back sights
D. Intermediate sights
11.Which of the following methods of contouring is most suitable for a hilly terrain?
A. Direct method
B. Square method
C. Cross-sections method
D. Direct method
12. The chord of a curve less than peg interval, is known as
A. Small chord
B. Sub-chord
C. Normal chord
D. Small chord
13.Magnetic bearing of a survey line at any place
A. remains constant
B. changes systematically
C. varies differently in different months of the year
D. remains constant
14. Prismatic compass is considered more accurate than a surveyor's compass, because
A. it is provided with a better magnetic needle
B. it is provided with a sliding glass in the object vane
C. its graduations are in whole circle bearings
D. it is provided with a better magnetic needle
15.If whole circle bearing of a line is 1200, its reduced bearing is
A. S 20? E
B. S 60? E
C. N 120? E
D. S 20? E
16. The reduced bearing of a line is N 87? W. Its whole circle bearing is
A. 87?
B. 273.?
C. 93?
D. 87?
17.The magnetic meridian at any point, is the direction indicated by a freely suspended
A. magnetic needle
B. and properly balanced magnetic needle
C. properly balanced and uninfluenced by local attractive force
D. magnetic needle
18.The horizontal angle between true meridian and magnetic meridian, is known
A. bearing
B. magnetic declination
C. dip
D. bearing
19.Imaginary line passing through points having equal magnetic declination is termed as
A. isogon
B. agonic line
C. isoclinic line
D. isogon
20.Magnetic declination at any place
A. remains constant
B. does'n remain constant
C. fluctuates
D. remains constant
21. The zero of the graduated circle of a prismatic compass is located at
A. north end
B. east end
C. south end
D. north end
22.. The true meridian of a place is the line in which earth's surface is intersected by a plane through
A. east and west points
B. zenith and nadir points
C. north and south geographical poles
D. east and west points
23. True meridian of different places
A. converge from the south pole to the north pole
B. converge from the north pole to the south pole
C. converge from the equator to the poles
D. converge from the south pole to the north pole
24.True meridians are generally preferred to magnetic meridians because
A. these converge to a point
B. these change due to change in time
C. these remain constant.
D. these converge to a point
25. During secular variation of magnetic meridian at different places
A. range of oscillations is constant
B. period of oscillation is constant
C. range and period of oscillation both vary
D. range of oscillations is constant
26.Diurnal variation of magnetic declination is
A. greater at equator than nearer the poles
B. less at equator than nearer the poles
C. less in summer than in winter
D. greater at equator than nearer the poles
27. Grid lines are parallel to
A. magnetic meridian of the central point of the grid
B. line representing the central true meridian of the grid
C. geographical equator
D. magnetic meridian of the central point of the grid
28. Whole circle bearing of a line is preferred to a quadrantal bearing merely because
A. bearing is not completely specified by an angle bearing is completely specified by an angle
B. Sign of the correction of magnetic declination is different in different quadrants
C. its trigonometrical values may be extracted from ordinary tables easily.
D. bearing is not completely specified by an angle bearing is completely specified by an angle
29. In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
A. adding 180?, if the given bearing is less than 180'
B. subtracting 180?, if the given bearing, is more than 180?
C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
D. adding 180?, if the given bearing is less than 180'
30.Reduced bearing of a line is an angle between
A. north line and given line measured clockwise
B. north line and given line measured anti-clockwise
C. east or west and the given line
D. north line and given line measured clockwise
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