Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Bismuth Oxygen Antimony Arsenic Bismuth Oxygen Antimony Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softness of silver can be converted into hardness by alloying it with small quantity of Aluminium Copper & nickel Zinc Tin Aluminium Copper & nickel Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardest material so far found is Graphite Diamond Pumice stone Carborundum Graphite Diamond Pumice stone Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel storage vessels are suitable for the storage of Fatty acids Anhydrous ammonia Sulphuric acid (25%) Hydrochloric acid (95%) Fatty acids Anhydrous ammonia Sulphuric acid (25%) Hydrochloric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon tetrachloride can be stored in a storage vessel made of All of these Tin Stainless steel High silicon iron (14% Si) All of these Tin Stainless steel High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? Armature of small motors/generators Generators and small motors Induction motors High frequency transformers Armature of small motors/generators Generators and small motors Induction motors High frequency transformers ANSWER DOWNLOAD EXAMIANS APP
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