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Questions
101 In the penetration macadam construction, the bitumen is
A sprayed after the aggregates are spread and compacted
B premixed with aggregates and then spread
C sprayed before the aggregates are spread and compacted
D none of the above

Answer: sprayed after the aggregates are spread and compacted
102 For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is
A dry rolling, wet rolling, application of screening and application of filler
B dry rolling, application of filler, wet rolling and application of screening
C dry rolling, application of screening, wet rolling and application of filler
D dry rolling, application of screening, application of filler and wet rolling

Answer: dry rolling, application of screening, wet rolling and application of filler
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103 In highway construction, rolling starts from
A sides and proceed to centre
B centre and proceed to sides
C one side and proceed to other side
D any of the above

Answer: sides and proceed to centre
104 The binder normally used in flexible pavement construction is
A cement
B lime
C bitumen
D none of the above

Answer: bitumen
105 The camber of shoulders in water bound macadam roads is
A equal to the cross slope of pavement
B less than the cross slope of pavement
C greater than the cross slope of pavement
D zero

Answer: equal to the cross slope of pavement
106 The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is
A 8 cubic meter
B 10 cubic meter
C 12 cubic meter
D 15 cubic meter

Answer: 12 cubic meter
107 The most suitable equipment for compacting clayey soils is a
A smooth wheeled roller
B pneumatic tyred roller
C sheep foot roller
D vibrator

Answer: sheep foot roller
108 Maximum daily traffic capacity of bituminous pavements is
A 500 tonnes per day
B 1000 tonnes per day
C 1500 tonnes per day
D 2000 tonnes per day

Answer: 1500 tonnes per day

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