SSC_JE_CE_Transportation Engineering Booster Quiz-7

The subgrade properties of a sample are as follows:

Soil portion passing 0.075 mm sieve = 35%

Liquidity limit = 40%

Plasticity limit = 20%

The group index of the soil is

If a vehicle is negotiating a curve of radius 50 m with a wheel base of 7 m, then the value of off tracking is

A plate bearing test was carried out on a subgrade using a 76 cm diameter rigid plate. A deflection of 1.25 mm was caused by a pressure of 0.84 kg/cm². The modulus of subgrade reaction in kg/cm³ is:

In speed and delay study, if the average journey time in a stretch of road length of 3.5 km is 7.55 minutes and the average stopped delay is 1.8 minutes, the average running speed will be nearly:

In a bituminous concrete mix, bitumen and aggregates by weight are 5% and 95% respectively. Specific gravity of bitumen and aggregates are 1 and 2.5 respectively. Theoretical unit weight of the mix will be:

If the pressure carried by a CBR specimen at 2.5 mm penetration is 3.5 N/mm², the CBR of the soil is:

While aligning a hill road with a gradient of 7%, a horizontal curve of radius 80 m is provided. Find the compensated gradient:

The Lucknow plan targeted to construct roads, giving a density of

The rectangular or the block pattern has been adopted in the city roads of

The critical stress is considered in