Interview Questions (Based on Building Materials & Building Construction )
Q.- What is the effect of excess amount of silica in brick??
A.- If alumina is present in excess with inadequate quantity of sand, the raw brick shrink and wrap during drying and burning.
Q.- What is the technical name for mixture of marble chips and cement ??
A.- Terrazo (Used as flooring Material)
Q.- What is quick lime??
A.- The lime obtained by the comparatively pure lime stone is known as quick lime.
Q.- Which type of foundation is most suitable in black cotton soil.
A.- Under –reamed piles
Q.- Why plate load test is carried out ??
A.-To determine the ultimate load bearing capacity of soil and the settlement under the given load.
Q.- State the nominal size and actual size of a modular brick.
A.- Nominal size :20×10×10cm. Actual size : 19×9×9cm.
Q.- Explain header in brick masonry ??
A.- A full brick when laid with its length perpendicular to the face of wall is called header.
Q.- What do you mean by nosing in stairs ??
A.-The projecting part of the tread beyond the face of riser.
Q.- Explain Coffer Dams ??
A.- A temporary structure constructed in river , lake etc. for excluding water from a given site to enable the building operation to be performed on dry surface.
Q.- For determining toughness of a stone, which test is carried out ??
A.- Impact Test