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Tuesday, 24 July 2012

Remote sensing and image interpretation-for B.E/B.Tech –model question paper

1(a) What are the basic components of an ideal remote sensing system? Explain. (10 Marks)
(b) Write a note on Stefan-Boltzmann law. (4 Marks)
(c) Explain in detail the interaction of energy with the surface of earth. (6 Marks)
2(a) Explain the working of a densitometer with the help of a figure. (6 Marks)
(b) Write a note on aerial film cameras. (6 Marks)
(c) Explain the term multiband imaging. (4 Marks)
(d) A film is properly exposed when the lens aperture setting is f/8 and the exposure time is 1/125 sec. If the lens aperture setting is changed to f/4, and the scene brightness does not change, what exposure time should be used to yield a proper film exposure? (4 Marks)
3 (a) Explain in detail basic geometric characteristics of aerial photographs. (12 Marks)
(b) Write a note on orthophotos. (4 Marks)
(c) The area of a well is 12 cm2 on a 1: 2000 vertical photograph. Find the ground area of the well.  (4 Marks)
4(a) Explain geological mapping and soil mapping. (8 Marks)
(b) Write a note on natural disaster assessment. (6 Marks)
(c) Differentiate between intrusive igneous rocks and extrusive igneous rocks. (6 Marks)
5 (a) Explain the working of an airbone multispectral scanner. (6 Marks)
(b) Draw blackbody radiation spectrum and explain it using various laws. (10 Marks)
(c) What is internal blackbody source referencing? (4 Marks)
6 (a) Write and explain Elachi’s formula for the period of a satellite. (4 Marks)
(b) Write a note on Landsat satellite program of NASA. (8 Marks)
(c) What are hyperspectral satellite systems? (4 Marks)
(d) Write a brief note on MODIS sensor. (4 Marks)
7(a) Explain biophysics modeling. (4 Marks)
(b) What is level slicing? (4 Marks)
(c) Write a detailed note on classification of mixed pixels. (6 Marks)
(d) Write a note on different forms of multitemporal data merging. (6 Marks)
8(a) Explain the working of a synthetic aperture RADAR. (6 Marks)
(b) What is radar image speckle? (4 Marks)
(C) Write a nte on shuttle radar topography mission. (6 Marks)
(d) A given SLAR system transmits pulses over duration of 0.1 microseconds. Find the range resolution of the system at a depression angle of 45 degrees. (4 Marks)

Sunday, 22 July 2012

Airport planning and design for civil engineering B.E/B.Tech- model question paper

1(a) Explain in brief the growth of domestic air traffic in India. (6 Marks)
(b) Write a short note on B 747-400 Aircaraft KONARK. (4 Marks)
(c) Explain in detail the influence of air craft design on runway length. (10 Marks)
2 (a) Explain how the movement of an aircraft is controlled by the pilot. (10 Marks)
(b) Mention the advantages of jet engines over conventional engines. (4 Marks).
(c) Discuss in brief the future requirements and trends in the aircraft design. (6 Marks)
3(a) Mention the various factors to keep in mind during the selection of a site for an airport. (6 Marks)
(b) Discuss the effect of noise on airport planning. (6 Marks)
(c) Sketch a typical topographical map for an airport which is planned for two parallel runways. (4 Marks)
(d) Sketch a typical master plan of the airport which is to be developed in three stages. (4 Marks)
4 (a) Explain with neat sketches the limiting heights of objects in the approach and turning zone of an instrumental runway. (12 Marks)
(b) The runway length required for landing at sea level in standard atmospheric conditions is 3km. Runway length required for take-off at sea level in standard atmospheric condition is 2.5 km. Aerodrome reference temperature is 25 degree centigrade and that of the standard atmosphere at aerodrome elevation of 150 m is 14.025 degree centigrade. If the effective runway gradient is 0.5 percent, determine the runway length to be provided. (8 Marks)
5 (a) Define the term gate capacity. Explain the factors on which the gate occupancy time depends. (8 Marks)
(b) Discuss the principles of design of runway intersection area. Draw a typical sketch showing the gradation of the intersection area. (12 Marks).
6 (a) Explain in detail the various factors which affect the layout of taxiway. (8 Marks)
(b) Write a short note on optimum location of exit taxiway. (6Marks)
(c) Determine the radius of a taxiway for a supersonic transport whose wheel base is 35 m and the tread of main landing gear is 7.2m. The design turning speed is 60 kmph. Assume any other data, if required. (6 Marks)
7 (a) What is ESWL? How can it be determined for dual and dual-in-tendem wheel assembly? (6 Marks)
(b)  Name and discuss in brief the various methods used for designing flexible airport pavements. (10 Marks)
(c) An existing runway and taxiway consists of 15 cm of cement concrete slab resting on subgrade. The subgrade soil is grouped as Rb type. It is necessary to strengthen the pavement for supporting ESWL of 26300 kg. Determine an overlay thickness of bituminous concrete. (4 Marks)
8 (a) What are the broad principles kept in view for the convenience of passengers and baggage flow in terminal area. (4 Marks)
(b) Explain the necessity of airport lighting. (4 Marks)
(c) Enumerate the various criterias for designing the filter material for sub surface drainage. (6 Marks)
(d) Discuss in brief the various aspects of environmental management and monitoring programme needed after the airport is in operation. (6 Marks).

Research Methodology for PhD –Model question paper

1(a) What do you mean by research? Explain its significance in modern times. (4 Marks)
(b) Explain in detail different techniques involved in defining a research problem. (8 Marks)
(c) Write detailed notes on data collection and data analysis. (8 Marks)
2(a) Write a short note on data collection through telephone. (6 Marks)
(b) Explain the terms arithmetic mean, median, mode, geometric mean and harmonic mean. (10 Marks)
(c)  The growth rate of the demand of a product during last four years: 2008, 2009, 2010 and 2011 when compared to the demand of the base year 2007, are 20%, 30%, 35% and 40% respectively. Find the average growth rate of the demand of the product. (4 Marks)
3(a) Distinguish between restricted and unrestricted sampling. (8 Marks)
(b) Distinguish between systematic and stratified sampling. (8 Marks)
(c) Explain and illustrate the procedure of selecting a random sample. (6 Marks)
4 (a) Mention 6 differences between survey and experiment. (6 Marks)
(b) What are the guiding considerations in the construction of questionnaire? Explain. (6 Marks)
(c) Explain in detail different sampling distributions. (8 Marks)
5 (a) Explain the law of statistical regularity and the law of inertia of large numbers. (8 Marks)
(b) Describe briefly probability methods and non-probability methods of sampling. (8 Marks)
(c) The following data relates to the age distribution f 50 persons:
No. of persons
Draw a histogram for the data and find the modal value. Check the value by direct calculation.  (4 Marks)
6(a) What is Sandler’s A-test. (6 Marks)
(b) Explain null hypothesis of hypothesis testing. (6 Marks)
(c) Write a note on measuring the power of a hypothesis test. Illustrate it with the help of an example. (8 Marks)
7(a) Explain in detail different parametric testing of hypothesis. (12 Marks).
(b) The specimen of copper wires drawn from a large lot have the following breaking strength in kg.wt: 578,572,570,568,572,578,570,572,596,544.Test (using student’s t-statistic) whether the mean breaking strength of the lot may be taken o be 578 kg.weight. Test at 5% level of significance. Verify the inference so drawn by using Sandler’s A-statistic as well. (8 Marks)
8(a)What do you understand by interpretation of data? Write a detailed note on its utility. (8 Marks)
(b) Describe the chief features of a good research report. Give suitable examples. (8 Marks)
(c) Mention important points to be taken care of during a power point presentation. (4 Marks)