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BARC 2020: Transportation and surveying Nuclear Quiz 1

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Question 1

In a one way traffic, the speed of overtaking & overtaken vehicles are 65 kmph & 40 kmph resp. Avg acceleration is 0.92 m/s². Determine the OSD. Take t_R = 2sec.

Question 2

If the ruling gradient is 1 in 20, what is compensated gradient for a radius of 60m

Question 3

Estimate the basic capacity of a traffic lane at a speed of 60 kmph and assume the following :
All vehicles are of average length of 6.1 metres
Average reaction time is 2.5 seconds
Coefficient of longitudinal friction is 0.35
No gradient.

Question 4

In a flexible pavement, actual wheel load is 3900 kg and standard wheel load is 9400 kg. The equivalency factor of that pavement is

Question 5

is the angle of crossing, then the number of crossings 'N' according to right angle method is given by

Question 6

What is the angular error and the radius of the bubble if the deviation of the bubble is 3 div and the corresponding staff reading is 1.56 m. The true staff reading is 1.45 m with the staff held at a distance of 98 m away from the instrument.

Question 7

A survey was made with a chain 0.5 link two short and plotted to a scale of 1 cm = 300m. the plan now found to have shrunk so that a line originally 6 cm long was found 5.4 cm. If the area of the plan was measured and is 24.5 sq. cm. find the true area of the survey.

Question 8

In levelling, if the sum of back sight and fore sight is 1.365 and 0.875 m and reduced level of B.M. is 100 m. then reduced level of end point will be-

Question 9

The observation ray between two triangular stations A and B just grazes the sea. If the heights of A and B are 9000 metres and 3000 metres respectively, distance AB will be (diameter of earth 12880 km). Consider the effect of curvature only.

Question 10

During chaining along a straight line, the leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is

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ESE & GATE CE Surveying Highway Engineering

Feb 4ESE & GATE CE