Which of the following gradients exerts maximum influence on properties of steel?

Which of the following sedimentary rocks changes into quartzite by metamorphic action?

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

Pick up the correct statement from the following:

Refractory bricks resist

Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grai…

The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

Spalling hammer is used for

The commonly used lime in white washing, is