Apr 12, 20202 min
Updated: Apr 26, 2020
121. The fundamental factor in the selection of pavement type is type and intensity of traffic
122. Most suitable material for highway embankments is granular soil
123. Maximum daily traffic capacity of bituminous pavements is 1500 tonnes per day
124. The most suitable equipment for compacting clayey soils is a sheep foot roller
125. The aggregates required for one kilometre length of water bound macadam road per metre width and for 10 mm thickness is 12 cubic metre
126. The camber of shoulders in water bound macadam roads is equal to the cross slope of pavement
127. The binder normally used in flexible pavement construction is bitumen
128. In highway construction, rolling starts from sides and proceed to centre
129. For the construction of water bound macadam roads, the correct sequence of
operations after spreading coarse aggregates is dry rolling, application of screening,wet rolling and application of filler
130. In the penetration macadam construction,the bitumen is sprayed after the aggregates are spread and compacted
131. When the bituminous surfacing is done on already existing black top road or over existing cement concrete road, the type of treatment to be given is
tack coat
132. Which of the following premix methods is used for base course ? bituminous bound macadam
133.A bitumen primer is a high viscosity cutback
134. The suitable surfacing material for a bridge deck slab is mastic asphalt
135. Which of the following is considered to be the highest quality construction in the group of black top pavements ? bituminous concrete
136. The thickness of bituminous carpet varies from 20 to 25 mm
137. Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ? sheet asphalt
138. In highway construction on superelevated curves, the rolling shall proceed from lower edge towards the upper edge
139.Expansion joints in cement concrete pavements are provided at an interval of
18 m to 21 m
140. Dowel bars are provided in longitudinal joints