143) The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2, the coefficient of compressibility is

144) Pick up the incorrect statement from the following

145) The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known

146) A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is

147) The specific gravity of sands, is approximately