Materials and Construction Ball bearings are normally made of __________ steel. High speed Chrome High carbon Silicon High speed Chrome High carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Chromel Constantan Alumel Invar Chromel Constantan Alumel Invar ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is Iron impregnated with resin (usually bakelite) Carbon free iron None of these An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) Iron impregnated with resin (usually bakelite) Carbon free iron None of these An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica All of these Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica All of these Never exhibit polymorphism ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Fatigue None of these Creep Endurance Fatigue None of these Creep Endurance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is shipped in __________ drums. Cast iron Steel Aluminium Either B & C Cast iron Steel Aluminium Either B & C ANSWER DOWNLOAD EXAMIANS APP
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