The wedging is adopted for quarrying costly stratified rock such as

The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is

Pegmatite is a/an

The rocks formed from molten magma, are called

Bitumen paints offer

Pick up the correct statement from the following:

For high grade instruments the steel preferred to, is

With storage, strength of cement

The commonly used raw material in the manufacture of cement, is

Rapid hardening cement attains early strength due to

A prime coat is given to steel work with

Bulking of sand is caused due to

Clay and silt content in a good brick earth must be at least

A ferrous metal is

Glazing is used to make earthenware

Excess of silica in brick earth results in

The normal curing period for lime mortar, is:

Which of the following metamorphic rocks has the most weather resisting characteristics?

Percentage content of silica in window glass, is

The usual percentages of clay and metal in cermet are:

The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:

Spalling hammer is used for

Geologically, marble is known as

In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is

Chemically, marble is known as

Which of the following stone is best suited for construction of piers and abutments of a railway bridge?

Wrought iron contains carbon about

Good quality stones must

Acrylic sheets

The tendency of a stone is, to split along:

The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to

Quick lime (or caustic lime)

The variety of pig iron used for manufacture of wrought iron, is

For a good building stone, its specific gravity should the greater than

In arches, stratified stones are placed so that their planes are

Whitworth compressed steel is obtained when molten steel is subjected to a pressure of

To give a brilliant finish, the type of varnish used, is

A mortar joint in masonry which is normal to the face of wall is known as

Plywood has the advantage of

Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength

The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called

The type of roof which slopes in two directions with a break in the slope on each side is known as

If ‘P’ is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

For high grade instruments the steel preferred to, is

Inner part of a timber log surrounding the pitch, is called

Pick up the correct statement from the following: Method of sawing timber

For construction of structures under water, the type of lime used, is

The slenderness ratio for masonry walls should not be more than

The nominal size of the modular brick is

Crushing strength of a first class brick should not be less than