Related Questions

The ductility value of bitumen for suitability in road construction should not be less than
A 30 cm
B 40 cm
C 50 cm
D 60 cm
Bitumen felt is used for
A Water proofing
B Damp proofing
C Both (A) and (B)
D Neither (A) nor (B)
The filler used in plastic bitumen, is
A Shale powder
B Talc powder
C Asbestos powder
D Plastic powder
Bitumen felt
A Is used as water proofing material
B Is used as damp proofing material
C Is made from bitumen and hessian fibres
D All the above
Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?
A mastic asphalt
B sheet asphalt
C bituminous carpet
D bituminous concrete
Percentage of free carbon in bitumen is
A more than that in tar
B less than that in tar
C equal to that in tar
D none of the above
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
Penetration test on bitumen is used for determining its
A Grade
B Viscosity
C Ductility
D Temperature susceptibility
Road grade bitumen is produced from vacuum residue by its
A Aeration
B Pyrolysis
C Hydrogenation
D Steam reforming
Plastic bitumen is generally used for
A Road pavements
B Expansion joints
C Crack fillings
D None to these

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