IV/IV B.Tech (Regular) DEGREE EXAMINATION. Answer ONE question from each unit.

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1 CE421 March, 2017 EighthSemester IV/IV B.Tech (Regular) DEGREE EXAMINATION Transportation Engineering - II 1 Answer all questions (1X12=12 Marks) a) Define vehicular characteristics? b) Write down the average of speed of vehicles on national highways? c) What is meant by possible capacity? d) What is the driver reaction time required for road accidents? e) Draw a sketch which is suitable road marking for no overtaking? f) What is the design capacity of rotary intersection at rural areas? g) Draw a neat sketch of suspended rail joint? h) Write down component part of crossing? i) Illustrate the types of marshalling yards? j) Describe the reason for topography study in airport site selection? k) What is the minimum spacing between the airports for piston engine aircraft under IFR condition l) Define harbor? 2 a) What are the different road user characteristics which affect the road design? Briefly Explain? b) Explain the term traffic volume. What are the objects of carrying out traffic volume studies? 3 a) Write a short note on 30 th highest hourly traffic volume? 4M b) How the spot speed studies conducted? Explain the procedure to analyze the average speed of a vehicle? 8M I 4 a) What are the different causes of traffic accidents? Discuss briefly? b) Explain various types of traffic signals & their function? 5 a) Explain briefly the various design factors that are to be considered in rotary intersection design? b) Illustrate with neat sketch recommended types of markings in road design? II 6 a) Compare railways transportation with road transportation & mention characteristics of railways transportation? b) Draw a typical cross section of a permanent way. Discuss in brief the basic function of various components of a railways track? 7 a) Discuss different types of rail joints with the help of neat sketch and give their merits & limitations? b) Explain the different type of signals used in the station yards? V 8 a) Explain the various factors to be considered for airport site selection? 8M b) Write a short note on clear zone? 4M 9 a) Explain various types of break waters? 8M b) Write a short essay on wharves? 4M

2 CE 422 March, 2017 IV/IV B.Tech (REULAR) DEGREE EXAMINATION Construction Management 1 Answer all questions (1X12=12 Marks) a) Define critical activity. b) Define a Dummy activity. c) List out the errors in framing the network. d) Name any two types of documents with respect to quality. e) What is meant by ROI? f) What are the different time estimates of PERT network? g) Name any two quality assurance technique. h) Write any two objectives of material management. i) Define equity. j) KBES stands for? k) What is ISO-9000? l) Give an expression for average time estimate. 2 a) What are the basic principles of planning? Explain their advantages and limitations? b) Draw a bar chart for the following data: Activities: A B C D E F G Duration (days): (i) Activities A and B start simultaneously (ii) Activities c starts after 50% of activity B completed. (iii) Activities D and E start simultaneously and follow activity C (iv) Activity F follows activity E (v) Activity starts after 50% of activity F is over. Find the project duration. 3 a) What is scheduling? Explain the methods of scheduling? b) Explain in detail the work break down structure with suitable example? I 4 a) What are the different types cost involved in any projects? Explain the cost-time optimization of project in detail? b) Explain in detail the difference between CPM and PERT networks? 5 a) Explain various types of floats and explain how the critical path is identified using floatsin CPM technique? b) What are the different elements of networks? Explain the rules governing the drawing of networks?

3 CE 422 II 6 a) Classify the construction equipment. What are the factors affecting the selection and operation of equipment? 7M b) Explain the material procurement process indetail? 5M 7 a) What factors contribute to the productivity of workers and discuss the methods of enhancing productivity? b) Explain various aspects of time and motion studies? V 8 a) Explain quality circles and Total Quality Management? 12M 9 a) What is safety information system? Explain what are the preventive measures of fire in construction industries? b) Write short notes on payback period, Cost-benefit ratio and business cycle.

4 CE 423 March, 2017 IV/IV B.Tech (Regular/Supplementary) DEGREE EXAMINATION Assume suitable data if necessary data Bridge Engineering (5X12= 60 Marks) UNITI 1. a) write the salient features about selection of site for a bridge. (8M) b) Explain about scour depth. (4M) 2. a) Explain the preliminary drawings briefly. (8M) b)write about economical span. (4M) UNITII 3. Explain classification of bridges with neat sketches. 4. Design a slab culvert over an effective span of 7.0 m for the following data: Clear carriage way width 7.0 m, Width of kerb 650 mm on either side, Load IRC Class A, Thickness of wearing coat 80 mm, Use M25 and Fe415 grades. II 5. a) How the live load is distributed on the longitudinal girders of a T Beam bridge? Explain.(7M) b) Explain pigeauds theory? (5M) 6. Explain the design of simply supported T beam bridge with a neat sketch and mention any two characteristics and why it is most preferable. V 7. What are the various types of piers? What are the various forces which are considered in the design of piers? 8.Verify the stability of the abutment for the following data: Top width 1.5 m Height 4.0 m Back batter 1 in 6 Front face of abutment is vertical Type of material Stone masonry Unit weight of soil 18 KN/m 3 Angle of repose Superstructure T- beam bridge of span 15.0 m Loading IRC class A-A (Tracked) Assume suitable dimensions for the components of the superstructure. UNITV 9. Design an elastomeric bearingfor following data: Dead load reaction per bearing = 230 KN Live load reaction per bearing = 480 KN Longitudinal force = 38 KN Effective span of bridge = 16.0 m Concrete for T beam and bed block = M20

5 CE A well foundation is to be designed for an abutment of 10 X 5 m base dimensions. The well is founded on sandy soil, the following data is Height of bearing above maximum scour level = 28 m Permissible horizontal displacement of the bearing level = 50 mm Height of abutment = 6.0 m Total vertical load including weight of abutment and well = 20,000 KN Total lateral load at the scour level = 400 KN Submerged unit weight of soil = 10 KN/m 3 Design the well and verifying the stresses in the steining. Also sketch the reinforcement details.

6 CE 424 April, 2017 IV/IV B.Tech (Regular) DEGREE EXAMINATION Advanced Environmental Engineering 1. Answer all questions (1X12=12 Marks) a) What is self purification? b) Define floura and fauna? c) What is aeration? d) Define aerobic condition? e) Define waste water? f) Define nitrification? g) What is biological contactor? h) Define aerosol? i) Define air pollution? j) Define global warming? k) What is atmospheric stability l) Define decibel? 2. a) Explain stabilization ponds with a neat sketch? b) Derive Streeter-Phelp s Equation? 3. a) Explain different zones of self-purification? b) Explain with a neat diagram about oxidation ditch? I 4. a) What are the characteristics of liquid waste of pulp industry? b) Explain the various treatment methods of sugar plant? 5. a) Explain the quantity of liquid waste in diary industry? b) How the liquid waste is treated in paper industry? II 6. a) Explain the phosphate removal from activated sludge process? b) Explain the anaerobic filters? 7. a) What are the various gaseous pollutants? b) Write the differences between primary and secondary pollutant? V 8. a) Explain with a neat sketch for maximum mixing depth? b) Explain with a neat sketch about electrostatic precipitator? 9. a) Explain the Gaussian dispersion model equation? b) What are the effects of noise pollution?

7 CE 424 April, 2017 IV/IV B.Tech (Regular) DEGREE EXAMINATION Advanced Environmental Engineering 1. Answer all questions (1X12=12 Marks) a) What is self purification? b) Define floura and fauna? c) What is aeration? d) Define aerobic condition? e) Define waste water? f) Define nitrification? g) What is biological contactor? h) Define aerosol? i) Define air pollution? j) Define global warming? k) What is atmospheric stability l) Define decibel? 2. a) Explain stabilization ponds with a neat sketch? b) Derive Streeter-Phelp s Equation? 3. a) Explain different zones of self-purification? b) Explain with a neat diagram about oxidation ditch? I 4. a) What are the characteristics of liquid waste of pulp industry? b) Explain the various treatment methods of sugar plant? 5. a) Explain the quantity of liquid waste in diary industry? b) How the liquid waste is treated in paper industry? II 6. a) Explain the phosphate removal from activated sludge process? b) Explain the anaerobic filters? 7. a) What are the various gaseous pollutants? b) Write the differences between primary and secondary pollutant? V 8. a) Explain with a neat sketch for maximum mixing depth? b) Explain with a neat sketch about electrostatic precipitator? 9. a) Explain the Gaussian dispersion model equation? b) What are the effects of noise pollution?

: TRANSPORTATION ENGINEERING COURSE CODE : 6014 COURSE CATEGORY : A PERIODS/WEEK : 6 PERIODS/SEMESTER : 90 CREDITS : 5

COURSE TITLE : TRANSPORTATION ENGINEERING COURSE CODE : 6014 COURSE CATEGORY : A PERIODS/WEEK : 6 PERIODS/SEMESTER : 90 CREDITS : 5 TIME SCHEDULE MODULE TOPICS PERIODS 1 Highway Engineering 22 2 Traffic