81. The limits of percentage p of the longitudinal reinforcement in a column is
given by 0.8% to 6%
82. The minimum diameter of longitudinal bars in a column is 12 mm
83. The minimum cover to the ties or spirals should not be less than 25 mm
84. The load carrying capacity of a helically reinforced column as compared to that of a tied column is about 5% more
85. A reduction factor Cr to load carrying capacity of a long column is given by
86. The diameter of ties in a column should be more than 5 mm and also more than one-fourth of diameter of main bar
87. Due to circumferential action of the spiral in a spirally reinforced column
both the capacity of column and ductility of column increase
88. Maximum percentage reinforcement in case of slabs is limited to 4
89. Which of the following R.C. retaining walls is suitable for heights beyond 6m?
counterfort type
90. For the design of retaining walls, the minimum factor of safety against over
turning is taken as 2.0
91. In counterfort type retaining walls
i) the vertical slab is designed as a continuous slab
ii) the heel slab is designed as a continuous slab
92. A T-shaped retaining wall mainly conssits of three cantilevers
93. In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on the inner face in one direction
94. The main reinforcement in the toe of a T shaped R C. retaining wall is provided on bottom face perpendicular to the wall
95. The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining
wall is provided more on front face than on inner face
96. The main reinforcement in the heel of a T shaped R.C. retaining wall is provided on top face perpendicular to wall
97. In a counterfort retaining wall, the main reinforcement is provided on the
bottom face infrontcounterfort,inclined face in back counterEort
98. In counterfort retaining walls, the main reinforcement in the stem at support is provided only on inner face
99. In the design of a front counterfort in a counterfort retaining wall, the main
reinforcement is provided on
bottom face near counterfort,top face near centre of span
100. In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on front face only
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