Question: The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is________________?

• 1. 8 cubic meter
• 2. 10 cubic meter
• 3. 12 cubic meter
• 4. 15 cubic meter

Question: The binder normally used in flexible pavement construction is________________?

• 1. cement
• 2. lime
• 3. bitumen
• 4. none of the above

Question: For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?

• 1. dry rolling, wet rolling, application of screening and application of filler
• 2. dry rolling, application of filler, wet rolling and application of screening
• 3. dry rolling, application of screening, wet rolling and application of filler
• 4. dry rolling, application of screening, application of filler and wet rolling

Question: 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________________?

• 1. seal coat
• 2. tack coat
• 3. prime coat
• 4. spray of emulsion

Question: The most suitable equipment for compacting clayey soils is a_______________?

• 1. smooth wheeled roller
• 2. pneumatic tyred roller
• 3. sheep foot roller
• 4. vibrator

Question: Most suitable material for highway embankments is______________?

• 1. granular soil
• 2. organic soil
• 3. silts
• 4. clays

Question: The camber of shoulders in water bound macadam roads is________________?

• 1. equal to the cross slope of pavement
• 2. less than the cross slope of pavement
• 3. greater than the cross slope of pavement
• 4. zero

Question: In highway construction, rolling starts from________________?

• 1. sides and proceed to centre
• 2. centre and proceed to sides
• 3. one side and proceed to other side
• 4. any of the above

Question: In the penetration macadam construction, the bitumen is__________________?

• 1. sprayed after the aggregates are spread and compacted
• 2. premixed with aggregates and then spread
• 3. sprayed before the aggregates are spread and compacted
• 4. none of the above

Question: Which of the following premix methods is used for base course ?

• 1. bituminous carpet
• 2. mastic asphalt
• 3. sheet asphalt
• 4. bituminous bound macadam