Materials and Construction __________ steel is widely used for the manufacture of motor car crankshafts. Nickel Chrome High speed Silicon Nickel Chrome High speed Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following comprises of hydrocarbons? Rubber Mica flakes Glass None of these Rubber Mica flakes Glass None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is Chemically known as polychlorotrifluor-oethylene (PTFE) All of these Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) Chemically known as polychlorotrifluor-oethylene (PTFE) All of these Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) 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%)? Induction motors Generators and small motors High frequency transformers Armature of small motors/generators Induction motors Generators and small motors High frequency transformers Armature of small motors/generators ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Hot dipping Powder metallurgy Electro-deposition Spraying Hot dipping Powder metallurgy Electro-deposition Spraying ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is a process for Annealing Spheroidising Case hardening Normalising Annealing Spheroidising Case hardening Normalising ANSWER DOWNLOAD EXAMIANS APP
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