Materials and Construction The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. Precipitation Sintering Agglomeration Fusion Precipitation Sintering Agglomeration Fusion 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 High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers Generators and small motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage in medium carbon steel is around 0.35 to 0.5 1 to 1. 5 0.8 to 1.4 0.1 to 0.35 0.35 to 0.5 1 to 1. 5 0.8 to 1.4 0.1 to 0.35 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For platinum thermocouples, lead wires are made of Iron & nickel Copper & copper-nickel alloys Copper & iron Tin & nickel Iron & nickel Copper & copper-nickel alloys Copper & iron Tin & nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Bakelite Glass Teflon Glass lined steel Bakelite Glass Teflon Glass lined steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Only slightly Strongly With eddy currents only In a direction opposite to that of the applied field Only slightly Strongly With eddy currents only In a direction opposite to that of the applied field ANSWER DOWNLOAD EXAMIANS APP