gravel

sand

silt

clay

constant head method

falling head method

horizontal permeability test

none of the above

constant head method

falling head method

both the above

none of the above

increases by 25%

increases by 50%

increases by 33.3%

decreases by 33.3%

does not depend upon temperature

increases with the increase in temperature

increases with the decrease in temperature

none of the above