Materials and Construction __________ is a donor impurity for semi-conductors. Boron Gallium None of these Antimony Boron Gallium None of these Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Urea-formaldehyde Dacron Polybutadiene Phenol formaldehyde Urea-formaldehyde Dacron Polybutadiene Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest compressive strength? Mild steel Wrought iron High carbon steel Cast iron Mild steel Wrought iron High carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plastics are All of these Not suitable for drainage pipe manufacture Used in very high temperature applications Non-biodegradable All of these Not suitable for drainage pipe manufacture Used in very high temperature applications Non-biodegradable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Urea autoclave is made of Refractory blocks Cast iron Lead lined steel Stainless steel Refractory blocks Cast iron Lead lined steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by None of these Hydrochloric acid Sea water Sulphuric acid (10%) None of these Hydrochloric acid Sea water Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
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