Surveying 3
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1) Question.
If "Fore bearing" of a line is S 49° 52' E (assuming there is no local attraction), the "Back bearing" of the line will be
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2) Question.
It is required to produce a smal- scale map of an area in a magnetic zone by directly plotting and checking the work in the field itself. Which one of the following surveys will be most appropriate for this purpose?
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3) Question.
An angle measuring instrument reading upto one-sixth of a degree on a main scale is equipped with a vernier having 19 main scale divisions divided into 20 parts. The correct least count for the instrument is
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4) Question.
While measuring horizontal angles by the method of repitition with a theodolite readings are taken on both the verniers. Which of the following errors will be eliminated by reading both the verniers?
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5) Question.
Agonic line is the line joining points having
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6) Question.
The maximum value of centrifugal ratio on roads and railways respectively are taken as
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7) Question.
Read the following two statements and select the correct answer.
i) shift bisects the transition curve
ii) transition curve bisects the shift
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8) Question.
The difference in elevation of points between a vertical and a tangent is
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9) Question.
If an upgrade of 1.5% is followed by a downgrade of 0.5% and rate of change of grade is 0.2% for 20m chain, then the length of vertical curve is
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10) Question.
If L is the length of transition curve and R is the radius of circular curve, then the shift of the curve is directly proportionate to
Answer.L2/24 R