Excess of sulphur present in cement will make cement to

Alternative name of potash like glass is

Defect caused by water vapour which is trapped behind the painted surface

The joint used in stairs formed by fitting the entire thickness of the end of one member for a short distance into another piece

Valve used in pipe lines for convenience in manually closing the pipes to control the flow of water

The spillway which the flow passing over a weir or ogee crest is carried away by the channel running essentially parallel to the crest

Energy correction factor for laminar flow through a circular pipe is

Diameter of bulb in a under reamed pile may be taken as

The coefficient of consolidation can be determined in laboratory by