Materials and Construction Which of the following is the hardest? Pearlite Cementite Austenite Ferrite Pearlite Cementite Austenite Ferrite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Chemical equipments Boiler tubes Surgical instruments Powerful magnets Chemical equipments Boiler tubes Surgical instruments Powerful magnets 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
Materials and Construction Kel-F is a material, which is Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) All of these Chemically known as polychlorotrifluor-oethylene (PTFE) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is never shipped in glass carboys. Formaldehyde Acetic acid Ammonia Phenol Formaldehyde Acetic acid Ammonia Phenol ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin vessels are corroded by Synthetic detergent solution Aromatic solvents None of these Anhydrous ammonia Synthetic detergent solution Aromatic solvents None of these Anhydrous ammonia ANSWER DOWNLOAD EXAMIANS APP
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