Materials and Construction Kel-F is a material, which is All of these Having excellent chemical & high temperature resistance (upto 200°C) Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties All of these Having excellent chemical & high temperature resistance (upto 200°C) Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties 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 Armature of small motors/generators Generators and small motors High frequency transformers Induction motors Armature of small motors/generators Generators and small motors High frequency transformers ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is a/an __________ steel. High alloy High carbon Medium carbon Low carbon High alloy High carbon Medium carbon Low carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is an alloy of nickel and copper? Inconel Monel Duriron Hastelloy Inconel Monel Duriron Hastelloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 50 70 80 90 50 70 80 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Post weld heat treatment is done by Solution annealing Normalising Stress relieving Tempering Solution annealing Normalising Stress relieving Tempering ANSWER DOWNLOAD EXAMIANS APP
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