Materials and Construction Which of the following is produced by addition polymerisation? Polybutadiene Urea-formaldehyde Phenol formaldehyde Dacron Polybutadiene Urea-formaldehyde Phenol formaldehyde Dacron 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. 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 Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In a plate type heat exchanger, heat transfer plates are never made of Hastealloy C Stainless steel Cast iron Titanium Hastealloy C Stainless steel Cast iron Titanium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Centrifugal pump made of pyrex or glass can't be used to pump Alkaline solutions Dilute H₂SO₄ at room temperature Milk and fruit juices Brine Alkaline solutions Dilute H₂SO₄ at room temperature Milk and fruit juices Brine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction German silver in an alloy of Silver, nickel and zinc Copper, aluminium and silver Copper, nickel and zinc Silver, zinc and aluminium Silver, nickel and zinc Copper, aluminium and silver Copper, nickel and zinc Silver, zinc and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Both A & B Stronger than cast iron Neither A nor B Produced by adding 10-20% steel to the cupola charge Both A & B Stronger than cast iron Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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