Materials and Construction Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? High silicon iron, silicon rubber, Kel-F and teflon Copper, nickel and monel Cast iron, tin and aluminium Mild steel and stainless steel High silicon iron, silicon rubber, Kel-F and teflon Copper, nickel and monel Cast iron, tin and aluminium Mild steel and stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An elastic behaviour of materials is expressed in terms of Hysterisis loop area Relaxation time None of these Stress-strain curve Hysterisis loop area Relaxation time None of these Stress-strain curve ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Tenacity & hardness Ductility Malleability Electrical conductivity Tenacity & hardness Ductility Malleability Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven regenerators are made of __________ bricks. Fire clay Silica High electrical conductivity Low thermal conductivity Fire clay Silica High electrical conductivity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Centrifugal pump made of pyrex or glass can't be used to pump Dilute H₂SO₄ at room temperature Brine Alkaline solutions Milk and fruit juices Dilute H₂SO₄ at room temperature Brine Alkaline solutions Milk and fruit juices ANSWER DOWNLOAD EXAMIANS APP
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