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GATE CE 2020 Transport Engg. & Survey Quiz 8 (App update required to attempt this test)
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Question 1
Structural failures considered in the mechanistic method of bituminous pavement design are
Question 2
The flexibile plate load test conducted with 30 cm diameter plate on soil subgrade yielded a deflection of 0.25 cm under a stress of 600 kg/cm2. The modulus of elasticity of the subgrade soil (in kg/cm2) is
Question 3
A box measuring 50 cm × 50 cm × 50 cm is filled to the top with dry coarse aggregate of mass 187.5 kg. The water absorption and specific gravity of the aggregate are 0.5% and 2.5, respectively. The maximum quantity of water (in kg, round off to 2 decimal places) required to fill the box completely is _________
Question 4
A bitumen mix having 4% bitumen by volume has bulk specific gravity 2.4. The specific gravity of combined aggregates is 2.78 and they make 92% of the mix by weight. Find the percentage volume of air voids in the mix.
Question 5
Which of the following properties are possessed by bitumen?
1). It is thermoplastic
2). It is chemically inert and oxidizes slowly
3). It is soluble in carbon disulphide
4). Its specific gravity is around 2.65
1). It is thermoplastic
2). It is chemically inert and oxidizes slowly
3). It is soluble in carbon disulphide
4). Its specific gravity is around 2.65
Question 6
Which one of the following represents the hardest grade of bitumen?
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Nov 11ESE & GATE CE
