Practice Test: Question Set - 07
1. If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant
- (A) 0.1
- (B) 0.4
- (C) 0.6
- (D) 1.33
2. 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) Same at all
latitudes and during different months
3. Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by
- (A) Degree of
the curve
- (B) Square of
the degree of the curve
- (C) Inverse
of the degree of the curve
- (D) None of
these
4. In case of a double line river, contours are
- (A) Stopped at
the banks of the river
- (B) Stopped at
the edge of the river
- (C) Drawn across
the water
- (D) Drawn by
parabolic curves having their vertex at the centre of the water
5. The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known
- (A) Tacheometry
- (B) Tachemetry
- (C) Telemetry
- (D) All the
above
6. Refraction correction
- (A) Completely
eliminates curvature correction
- (B) Partially
eliminates curvature correction
- (C) Adds to the
curvature correction
- (D) Has no
effect on curvature correction
7. Pick up the correct statement from the following:
- (A) In the
earth's magnetic field, a magnetic needle rests in magnetic meridian
- (B) The
angle between the true meridian and the magnetic meridian is called magnetic
variation
- (C) One end of
the magnetic needle supported at its centre of gravity tends to dip down
towards the nearer magnetic pole of the earth
- (D) All the
above
8. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for
- (A) Horizontal
sights
- (B) Inclined sights
upward
- (C) Inclined
sight downward
- (D) None of
these
9. The conventional sign shown in below figure represents a
- (A) Bridge
carrying railway below road
- (B) Bridge
carrying road below railway
- (C) Bridge
carrying road and railway at the same level
- (D) A level
crossing
10. In optical reading instruments
- (A) The vertical
circle is usually continuous from 0° to 359°
- (B) The readings
increase when the telescope is elevated in the face left position
- (C) The readings
decrease when the telescope is elevated in the face right position
- (D) All the
above
11. Select the correct statement.
- (A) A
contour is not necessarily a closed curve
- (B) A
contour represents a ridge line if the concave side of lower value contour lies
towards the higher value contour
- (C) Two contours
of different elevations do not cross each other except in case of an
overhanging cliff
- (D) All of the
above statements are correct
12. Pick up the correct statement from the following:
- (A) If
the slope of the curve of a mass diagram in the direction of increasing
abscissa is downward, it indicates an embankment
- (B) The
vertical distance between a maximum ordinate and the next forward maximum
ordinate represents the whole volume of the embankment
- (C) The
vertical distance between a minimum ordinate and the next forward maximum
ordinate represents the whole volume of a cutting
- (D) All the
above
13. Pick up the correct statement from the following:
- (A) The
diaphragm is placed between eyepiece and the objective but nearer to the former
- (B) The
diaphragm is placed between the eyepiece and objective but nearer to the later
- (C) The
outer component of the objective is a double-convex lens of crown glass
- (D) All the
above
14. If the whole circle bearing of a line is 270°, its reduced bearing is
- (A) N 90° W
- (B) S 90° W
- (C) W 90°
- (D) 90° W
15. Pick up the correct statement from the following:
- (A) The length
of the brass handle is included in the length of chain
- (B) The handles
are on swivel joints to prevent twisting of the chain
- (C) The fifth
tag from either end of the chain is numbered 5
- (D) All the
above
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