Materials and Construction Beehive coke ovens are made of __________ bricks. Silicon carbide Fireclay Silica Corundum Silicon carbide Fireclay Silica Corundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Bismuth Antimony Arsenic Both B and C Bismuth Antimony Arsenic Both B and C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Corrosive Abrasive Neither A nor B Both A & B Corrosive Abrasive Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Post weld heat treatment is done by Tempering Solution annealing Stress relieving Normalising Tempering Solution annealing Stress relieving Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is a __________ material. Malleable Brittle Tough Ductile Malleable Brittle Tough Ductile ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its High strength to weight ratio High strength and corrosion & oxidation-resistance at elevated temperature Its ability to be cast, rolled, forged & stamped Low temperature strength properties High strength to weight ratio High strength and corrosion & oxidation-resistance at elevated temperature Its ability to be cast, rolled, forged & stamped Low temperature strength properties ANSWER DOWNLOAD EXAMIANS APP