Materials and Construction Bush bearings are made of None of these Phosphorous bronze Mild steel White metal alloys None of these Phosphorous bronze Mild steel White metal alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tank furnace used for melting of glass is made of Mild steel Cast iron Refractory blocks Stainless steel Mild steel Cast iron Refractory blocks Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Antimony Boron Gallium None of these Antimony Boron Gallium None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Between 910 & 1403 Above 1403 Above 1800 Upto 910 Between 910 & 1403 Above 1403 Above 1800 Upto 910 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 80 90 50 70 80 90 50 70 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Increases its melting point Decreases its melting point Does not affect its melting point Makes it malleable Increases its melting point Decreases its melting point Does not affect its melting point Makes it malleable ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS