Question No : 1
For melting one tonne of cast iron
Question No : 2
Turpentine oil is used in paints as
Question No : 3
The internal size of mould used in brick preparation is
Question No : 4
The slump recommended for mass concrete is about
Question No : 5
Bitumen felt is used for
Question No : 6
The timber having maximum resistance against white ants, is obtained from
Question No : 7
A stone is rejected if it absorbs water more than