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
Question: The suitable surfacing material for a bridge deck slab is________________?
- 1. sheet asphalt
- 2. bituminous carpet
- 3. mastic asphalt
- 4. rolled asphalt
Question: The thickness of bituminous carpet varies from__________________?
- 1. 20 to 25 mm
- 2. 50 to 75 mm
- 3. 75 to 100 mm
- 4. 100 to 120 mm
Question: Select the correct statement________________?
- 1. Quantity of binder required for tack coat is less than that required for prime coat
- 2. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction
- 3. Seal coat is the final coat over certain previous bituminous pavements
- 4. A bitumen primer is a high viscosity cutback