The surface of the concrete structure of a new construction is covered with straw/gunny bags by wetting. This is done to :
prevent fast evaporation, until hydration has proceeded well
protect the concrete structure from contamination by dust particles
prevent development of any fungus on the surface
give smoother and cleaner surface over cement structure
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy