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BARC 2020: Transportation and surveying Nuclear Quiz 2

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Question 1

Consider the following statements
I. If an angle is multiplied by its own weights, the weight of the resulting equation is equal to the reciprocal of weight of the equation.
II. If there is an angle (0.5) and its weight is 2, then the weight of (0.33) is 9.
Which statement(s) is (are) CORRECT?

Question 2

For a sight with a distance of 700 m, match the degree of precision with the different types of levelling.

Question 3

The plus sight reading of a vertically held staff at a point A on the floor along the center line of a tunnel is 3.725m, the minus sight taken on the staff held vertically inverted at the roof of the tunnel just above the point A is 1.125m. Determine the height of the tunnel along the center line at floor point A.

Question 4

An instrument located at a distance of 2500m away focusses the vane attached to a levelling staff at a height of 4.12m. The angle of elevation reads to be 9 °. Considering the reduced level of the telescope trunnion axis as 412.56m, compute the RL of the staff.

Question 5

Find the radius of curvature of bubble tube of each 2 mm from the average reading of the ends of the bubble and of a staff 80 m away.

Question 6

What is the thickness (in mm) of an existing WBM overlay when the mean deflection observed was 1.75 mm, the standard deviation was 0.35 mm and the temperature at time of observation was 35?
[Assume traffic at the end of 10 years is 3500 commercial vehicles per day]

Question 7

The free speed of cars, having length of 5 m, on a highway is 75 kmph. The maximum capacity of a lane of road is -------- cars/hour/lane.

Question 8

In a town signal at the Ramadas road Ghokale road has been designed for a 25 second cycle based on a 30 minute traffic count of 300 and 200 vehicles. Assuming 2.5 seconds per vehicle total yellow signal time will be-

Question 9

From floating car method following observation are determined -:
Average journey time of test vehicle against and with the direction of flow 15minute and 21 minutes respectively.
Average number of vehicle in direction of against flow = 76
Average number of vehicle overtaking the test vehicle= 39
Average number of vehicle overtaken the test vehicle = 25
What is the traffic flow (vehicle /hr)?

Question 10

A circular load of radius 20 cm with uniform contact pressure of 8.0 kg/cm2 is applied surface of a homogeneous elastic mass. The vertical stress under the centre of the load at a depth of 50 cm from the surface is ___________ kg/cm2.
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Nov 11ESE & GATE CE