Railways, Airports, Docks and Harbour Engineering | Set 1
1. percentage of Indian rails routes are electrified.
Correct : C. 45%
2. is the predominant gauge used by Indian railways.
Correct : A. broad gauge
3. Sleepers (ties) are mostly made up of
Correct : B. prestressed concrete
4. forms the trackbed upon which railroad ties (sleepers) are laid.
Correct : A. track ballast
5. The surface of the head of each of the two rails can be maintained by using a
Correct : C. rail grinder
6. The track and ballast form the
Correct : D. permanent way
7. The longest railway platforms is
Correct : B. gorakhpur railway station, up
8. The design of horizontal and vertical alignments, super elevation, gradient is worst affected by
Correct : C. speed of vehicle
9. The most raised portion of the pavement is called
Correct : C. crown
10. The extra width of pavement is provided on
Correct : A. horizontal curve
11. Transition curve is introduced in
Correct : C. between horizontal curve and circular curve
12. The most important factor that is required for road geometrics is
Correct : D. speed of vehicle
13. The design speed of NH on a cross slope of up to 10% is
Correct : A. 100kmph
14. A part of pavement raised with respect to one side keeping the other side constant is called
Correct : C. super elevation
15. The main purpose of providing camber is
Correct : A. to collect storm water
16. The legal axle load of the design vehicle used in India is?
Correct : B. 8.2 tonne
17. In India, the type of traffic assumed to design pavements is?
Correct : C. mixed traffic flow
18. The final choice of stabilisation technique is based on
Correct : D. cost
19. The flexural strength is based on
Correct : C. cbr
20. How many types of challenges are encountered in bitumen stabilisation?
Correct : C. three
21. The mix design should take into consideration is?
Correct : C. stability and durability
22. The modification factor used in base course thickness is called
Correct : B. gravel equivalence
23. The colloidal content in BC soils can be up to
Correct : D. 50%
24. What is the shrinkage limit value in BC soil?
Correct : C. 15%
25. The cement content required for BC soil is
Correct : B. very high
26. The desert sand is
Correct : B. weak
27. The water content in the emulsion is about
Correct : D. 40%
28. The distance shown by red line represents
Correct : D. gauge
29. Name the organization which is the research and development wing of Indian Railways.
Correct : B. rdso
30. The Railways has a degree of freedom for its movement.
Correct : A. single
31. Track modulus is defined as:
Correct : D. load/unit length of rail to produce unit depression/deflection in track
32. The track modulus is not affected by gauges.
Correct : B. false
33. Which of the following causes stresses in Sleepers?
Correct : D. track components
34. There are types of rail sections.
Correct : B. 3
35. How does the depth of ballast cushion affect rail section?
Correct : B. depth is less, bigger the rail section
36. The mountain alignment can be classified into types.
Correct : C. 2
37. What must be done to wooden sleepers before use?
Correct : A. seasoning
38. Airports can be classified on how many basis?
Correct : B. 4
39. ICAO classification system considers how many things?
Correct : A. 2
40. The FAA classification of the airport is based on:
Correct : C. airport approach speed
41. Which of the following is not a characteristic of centralized system of the terminal Area?
Correct : B. passenger facilities in small units
42. Which of the below does not affect the site- selection of an airport site?
Correct : D. number of ground staff
43. Runways are oriented in a direction against the prevailing wind.
Correct : B. false
44. The wind intensity during a calm period in runways should be:
Correct : D. below 6.4km/hr
45. The application of diagram is used to find the orientation of the runway to get the desired wind coverage.
Correct : D. wind rose
46. Elevation of airport site above MSL is a factor that controls airport size.
Correct : A. true
47. How many types of Fly Rules are there?
Correct : A. 2
48. Term marked by ’?’ in diagram is
Correct : A. tip chord
49. Let’s consider flat wrapping is to be used for lofting. If wing has taper ratio of 0.4, span of 26.6ft and root chord Cr is 76in then, find the area to be covered by flat wrapping.
Correct : A. 118ft2
50. From following diagram find the value of MAC of wing.
Correct : A. 5.8m
51. Following graph represents
Correct : A. graphical method to find mac
52. For wing to be lofted as shown in below figure, what will be the approximated value of MAC?
Correct : A. 8m from l.e.
53. If wing has MAC of 8m then, what will be the location of aerodynamic centre?
Correct : A. 2m from l.e.
54. Which of the following is correct in terms of the wing layout with twist?
Correct : A. incidence at each span station must be considered and chord should be rotated accordingly
55. Which of the following is correct?
Correct : A. generally, tip airfoils are selected for stall characteristics
56. In linear interpolation method, new airfoil is created as
Correct : A. weighted average of root and tip airfoil
57. 3 AIRPORT ZONES - PASSENGER FACILITIES AND SERVICES RUNWAY AND TAXIWAY MARKINGS
Correct : B. false
58. Which of the following can be considered as inland water transportation?
Correct : A. transportation by river
59. Which of the following can act as an advantage of water transportation?
Correct : D. cheap mode of transportation
60. Goods can be transported within less time.
Correct : B. false
61. A basin which can protect water well from the actions of wind and waves can be designated as
Correct : C. harbor
62. Which of the following is considered in case stable floating condition of ship?
Correct : D. draft
63. Which of the following is used as a basis for the classification of harbor?
Correct : A. protection
64. Which of the following will not come under the category of harbor classification?
Correct : B. semi artificial harbor
65. Bombay harbor will come under the classification of
Correct : C. natural harbor
66. On what basis a harbor can be designated as natural roadstead?
Correct : D. semi natural harbor
67. Which of the following harbor areas are having artificial protection?
Correct : A. vishakhapatnam port
68. Every port is a harbour.
Correct : A. true
69. How many components does a harbour comprise of?
Correct : B. 10
70. The solid parallel platform in a harbour with berthing facility on one side only is:
Correct : C. wharf
71. is a type of utility based harbour.
Correct : C. commercial harbour
72. The open type of wharves are made of:
Correct : C. timber, r.c.c. or both
73. The marine structure located alongside or at the entrance of a pier or a wharf is:
Correct : B. dolphins
74. The ferry designs are dependent on:
Correct : B. length of route
75. The alignment of breakwater should be:
Correct : B. straight
76. The main objective of transportation is?
Correct : D. safe economical and efficient transport of goods and passengers
77. Which is the most flexible type of transportation available?
Correct : A. roadway
78. The transportation system that requires a low initial investment among the following is?
Correct : A. roadway
79. The road density in India in km per 100 sq. km land area in 2008 is?
Correct : C. 129
80. The current road length in India is in which position in the world?
Correct : B. 2nd
81. The current highway development works in India are undertaken by?
Correct : A. nhai
82. The scope of highway engineering is divided into how many parts.
Correct : B. two
83. A constant percent chord line is drawn from root airfoil to tip airfoil in linear interpolation method.