STUPIDSID
Attemptt any four.
1 (a)
What roles do transport infrastructure of a country play? Enlist the different modes of transport and their characteristics.
5 M
1 (b)
Write short notes on : Transit sheds and ware houses.
5 M
1 (c)
On a particular track, the speeds of various trains are: 10 trains at 50 kmph, 8 trains at 55 kmph, 4 trains at 60 kmph. Calculate the weighted average speed and find out its deviation from the maximum speed.
5 M
1 (d)
What is the necessity of visual aids in connection with airport? Name the different visual aids.
5 M
1 (e)
Draw a layout of an airport having 2 intersecting runway. Show the markings on it.
5 M
2 (a)
It is observed that at present tracks, are mostly laid with Flat-footed rails. Give reasons for this preference in relation to other types of rail section.
8 M
2 (b)
Calculate and show it in diagram the elements required to set out a 1 in 8.5 turnout with switch angle of 1°34'27'. Use the IRS method.
12 M
3 (a)
Explain the necessity of sleepers in railways track. Using sleeper density of M+6, estimate that quantity of track material required for constructing a B.G railway track that is 6 km long. If the length of the rail is 13 m.
10 M
3 (b)
Briefly discuss the various steps involved in the construction of a new B.G railway line.
10 M
4 (a)
What is ballast? Why it is used in the railway track ? Briefly describe the various types and its advantages, disadvantages and suitability.
10 M
4 (b)
Calculate actual length of runway required if basic length obtained is 1000 m. The airport is located at an elevation if 120 m. Mean of average daily temperature is 38°C and the Mean of Maximum daily temperature is 47°C. Longitudinal section details are given below.
| End to end of runway (m) | Gardient(%) |
| 1 to 400 | +1% |
| 400 to 800 | -0.8% |
| 800 to 1200 | +0.6% |
10 M
5 (a)
Explain various factors affecting size of Apron. Draw a neat sketch showing the basic parking configurations of aircrafts.
10 M
5 (b)
Determine the capacity of 12 gates that serve three classes of aircraft using the following aircraft mix and average gate occupancy time.
| Aircraft Class | Mix(%) | Average Occpancy Time (min) |
| 1 | 50 | 25 |
| 2 | 35 | 50 |
| 3 | 50 | 60 |
10 M
6
The average wind data collected at a particular site is given below. Determine the calm period, the pest orientation of runways and the total wind coverage along the direction of EW and , NS by using wind rose diagram Type IT. Permissible cross wind component is 25 kmph.
| Wind data | |||
| Wind direction | Duration of wind | ||
| 6.4-25 (kmph) | 25-50 (kmph) | 50-75 (kmph) | |
| N | 7.4 | 2.7 | 0.2 |
| NNE | 5.7 | 2.1 | 0.3 |
| NE | 3.4 | 0.9 | 0.5 |
| ENE | 1.2 | 0.4 | 0.2 |
| E | 0.8 | 0.2 | 0.0 |
| ESE | 0.3 | 0.1 | 0.0 |
| SE | 4.3 | 3.0 | 0.0 |
| SSE | 5.5 | 3.2 | 0.0 |
| S | 9.7 | 4.6 | 0.0 |
| SSW | 6.3 | 3.2 | 0.5 |
| SW | 3.6 | 1.8 | 0.3 |
| WSW | 1.0 | 0.5 | 0.1 |
| W | 0.4 | 0.1 | 0.0 |
| WNW | 0.2 | 0.2 | 0.0 |
| NW | 5.3 | 1.9 | 0.0 |
| NNW | 4.0 | 1.3 | 0.3 |
20 M
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