Materials and Construction Which of the following is a low melting point metal? Tin Stainless steel Wrought iron Copper Tin Stainless steel Wrought iron Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 2 8 4 0.2 2 8 4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is a good Conductor of electricity Conductor of heat Thermal & electrical insulator Both B & C Conductor of electricity Conductor of heat Thermal & electrical insulator Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is All of these Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) All of these Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) 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. Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In a plate type heat exchanger, heat transfer plates are never made of Stainless steel Hastealloy C Cast iron Titanium Stainless steel Hastealloy C Cast iron Titanium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS