Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen Harden the surface Prevent the action of water Increase its glossiness and lustre Prevent the action of oxygen ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Lead Mild steel Special alloys Copper Lead Mild steel Special alloys Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Dimagnetic Is paramagnetic below 415° C (its Curie temperature) Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Dimagnetic Is paramagnetic below 415° C (its Curie temperature) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 0.5 75 40 2 0.5 75 40 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is used for making Drop forging Fish plates Die block Channels Drop forging Fish plates Die block Channels ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon content in plain carbon steel is __________ percent. 0.35 to 0.45 0.65 to 0.80 0.85 to 1.2 0.1 to 0.15 0.35 to 0.45 0.65 to 0.80 0.85 to 1.2 0.1 to 0.15 ANSWER DOWNLOAD EXAMIANS APP