76. To prevent movement of moisture from subgrade to road pavement at the same level as that of water-table, thickness of a cut off layer of coarse sand, is
77. For Indian conditions, the water bound macadam roads, are suitable if daily traffic does not exceed
78. If 3×4=25, 5×6=61, 6×7=85 then 9×10=?
79. For maximum strength and durability minimum percentage of cement, by weight is
80. Camber in pavements is provided by
81. The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of
82. Passing zones are generally not provided on
83. The normal road width of National and State highways
84. The extra widening of pavements recommended by Indian Roads Congress for hill roads having radius 150 metres, is
85. The steepest gradient permitted on roads which, in ordinary conditions, does not exceed, is known
86. For night travel, the length of a valley curve should be such that the head light beam distance is the same as
87. Stability of hill slopes depends upon
88. Selection of the routes, of highways depends upon
89. The first stage of deciding the alignment of a hill road, is
90. While designing hair pin bends on higways, the minimum
91. Cement grouted pavement is classified as
92. Intermediate catch water drains are provided only, if
93. Floating gradients are generally provided
94. Raising of outer edge of a road with respect to inner edge, is known
95. Width of the shoulders of carriage way is generally kept
96. Who is the first winner of Shilling Wall Tribute Award?
97. The inventor of road making as a building science, was
98. Use correct prepositions wherever necessary. He was absent ......... the class .?
99. Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2, is
100. Design of horizontal curves on highways, is based on