The expected out turn of brick work in cement mortar in foundation and plinth per mason per day, is ________?

Yellow lighthand signal indicates________?

Surface energy per unit area of a surface is numerically equal to________?

Which of the following cements is suitable for use in massive concrete structures such as large dams?

Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is________?

Which one of the following gases is most significant as air pollutant?