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( 1 ) The theodolites used for making tacheometric observations by optical wedge system, are
- 1) fitted with a glass wedge in front of telescope.
- 2) not provided with stadia hairs at all
- 3) fitted with a glass wedge inside the telescope
- 4) provided with stadia hairs in front of eye piece
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Show Answer Report Discussion in forumAnswer : 1) fitted with a glass wedge in front of telescope.
Solution : The theodolites used for making tacheometric observations by optical wedge system, are fitted with a glass wedge in front of telescope.
discussion
Answer : 1) fitted with a glass wedge in front of telescope.
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( 2 ) The constant vertical distance between two adjacent contours, is called
- 1) horizontal interval
- 2) horizontal equivalent
- 3) contour interval
- 4) vertical equivalent
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Show Answer Report Discussion in forumAnswer : 3) contour interval
Solution : The constant vertical distance between two adjacent contours, is called contour interval
discussion
Answer : 3) contour interval
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( 3 ) Pick up the incorrect statement from the following :
- 1) a 100 m tape of cross section 10 mm x 0.25 mm stretches about 10 mm under 5 kg pull.
- 2) while measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length
- 3) an increase in temperature causes a tape to increase in length and the measured distance is too large
- 4) the straight distance between end points of a suspended tape is reduced by an amount called the sag correction
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Show Answer Report Discussion in forumAnswer : 3) an increase in temperature causes a tape to increase in length and the measured distance is too large
Solution : an increase in temperature causes a tape to increase in length and the measured distance is too large
discussion
Answer : 3) an increase in temperature causes a tape to increase in length and the measured distance is too large
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( 4 ) The method generally preferred to for contouring an undulating area, is
- 1) chain surveying
- 2) plane table surveying
- 3) tacheometrical surveying
- 4) compass surveying.
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Show Answer Report Discussion in forumAnswer : 3) tacheometrical surveying
Solution : Chain survieng is used for small area. And plane table is used for plain area.
discussion
Answer : 3) tacheometrical surveying
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( 5 ) Pick up the correct statement from the following :
- 1) In surveys of large extent, the effect of curvature of the earth must be considered
- 2) In surveys of small extent, the effect of curvature may b
- 3) The directions of plumb lines suspended at different points in a survey are not strictly parallel
- 4) all
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( 6 ) If the declination of the needle is 10° W
- 1) in the quadrantal method, the corrections is negative in 2nd and 4th quadrants
- 2) all
- 3) each of the whole circle reckoning has to be micros by 10°
- 4) in the quadrantal method, the correction is positive in the 1st and 3rd quadrants
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Show Answer Report Discussion in forumAnswer : 2) all
Solution : If the declination of the needle is 10° W
discussion
Answer : 2) all
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( 7 ) The chaining on sloping ground is
- 1) easier along the falling gradient
- 2) easier along the up gradient
- 3) equally convenient along falling as well as up gradient
- 4) all the above.
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Show Answer Report Discussion in forumAnswer : 1) easier along the falling gradient
Solution : The chaining on sloping ground is easier along the falling gradient
discussion
Answer : 1) easier along the falling gradient
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( 8 ) You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of
- 1) repetition
- 2) reiteration
- 3) reiteration
- 4) exactness.
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Show Answer Report Discussion in forumAnswer : 1) repetition
Solution : You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of repetition.
discussion
Answer : 1) repetition
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( 9 ) 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
- 1) horizontal sights
- 2) inclined sights upward
- 3) inclined sight downward
- 4) none of these.
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Show Answer Report Discussion in forumAnswer : 1) horizontal sights
Solution : 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 horizontal sights.
discussion
Answer : 1) horizontal sights
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( 10 ) If the whole circle bearing of a line is 180°, its reduced bearing is
- 1) S 0° E
- 2) S 0° W
- 3) S
- 4) N.
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Show Answer Report Discussion in forumAnswer : 3) S
Solution : If the whole circle bearing of a line is 180°, its reduced bearing is S
discussion
Answer : 3) S
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