Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 600 minutes 60 minutes 10 minutes 30 minutes 600 minutes 60 minutes 10 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick Impermeable Brittle and weak To crack and warp on drying To lose cohesion Impermeable Brittle and weak To crack and warp on drying To lose cohesion ANSWER DOWNLOAD EXAMIANS APP
Building Materials Geologically, marble is known as Igneous rock Stratified rock Metamorphic rock Sedimentary rock Igneous rock Stratified rock Metamorphic rock Sedimentary rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bulking of sand is caused due to Clay contents Viscosity Surface moisture Air voids Clay contents Viscosity Surface moisture Air voids ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence All listed here No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood has the advantage of Greater tensile strength in shorter direction Greater tensile strength in longer direction None of these Same tensile strength in all directions Greater tensile strength in shorter direction Greater tensile strength in longer direction None of these Same tensile strength in all directions ANSWER DOWNLOAD EXAMIANS APP