Q. The constant vertical distance between two adjacent contours, is called

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Q. The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is

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Q. The correction to be applied to each 30 metre chain length along θ° slope, is

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Q. If + 0.8% grade meets - 0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be

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Q. The included angles of a theodolite traverse, are generally measured

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Q. Location of contour gradient for a high way is best set out from

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Q. If h1 and h2 are the differences in level between ground and the formation levels, m is the slope of the sloping sides. D is the distance between the cross sections then, prismoidal correction for a level section is

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Q. In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is

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Q. The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is

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Q. If i is the stadia distance, f is the focal length and d is the distance between the objective and vertical axis of the techeometer, the multiplying constant, is

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Q. The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is

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Q. It is more difficult to obtain good results while measuringhorizontal distance by stepping

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Q. The additional lines which are measured to show the correctness of the chain surveying are called:

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Q. The line normal to the plumb line is known as

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Q. The angle of intersection of a curve is the angle between

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Q. Planimeter is used for measuring

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Q. In a perfect prismatic compass

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Q. The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as

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Q. Under ordinary conditions, the precision of a theodolite traverse is affected by

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Q. Pick up the incorrect statement from the following :

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