Virtual Labs

a: Sag downwards to a distance of 30mm under the weight of a steel ball b: Sag downwards to a distance of 25mm under the weight of a steel ball c: Bulk upwards to a distance of 25mm under the weight of a steel ball d: Bulk upwards to a distance of 30mm under the weight of a steel ball

The maximum temperature recorded in Rajasthan in 2018 is 50.3°C, then the bitumen suitable for road construction in this region is

a: Bitumen having softening point of 61°C b: Bitumen having softening point of 51°C c: Bitumen having softening point of 41°C d: All the above

The following general statement may be made about the penetration value and softening point of bitumen

a: For very high and very low penetration value the softening point is very low b: Absolutely no correlation can be drawn between penetration value and softening point of bitumen c: Higher the penetration value, higher is the softening point d: Higher the penetration value, lower is the softening point

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