Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Shock resisting steels should possess high Wear resistance Tensile strength Hardness Toughness Wear resistance Tensile strength Hardness Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. German silver Kanthal Chromel Constantan German silver Kanthal Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High degree of toughness is a must for High speed steel None of these Cold work tool steel Shock resisting steel High speed steel None of these Cold work tool steel Shock resisting steel 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%)? High frequency transformers 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction White metal is an alloy of Copper, tin and zinc Copper and lead Lead, tin and cadmium None of these Copper, tin and zinc Copper and lead Lead, tin and cadmium None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS