Materials and Construction Coke oven walls are lined with __________ bricks. Silica Fire clay Tar-dolomite Low thermal conductivity Silica Fire clay Tar-dolomite Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least value of ultimate tensile strength (UTS)? Wrought iron High carbon steel Cast iron Medium carbon steel Wrought iron High carbon steel Cast iron Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Remains unchanged May increase or decrease ; unpredictable Increases Decreases Remains unchanged May increase or decrease ; unpredictable Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for examining the macro-structure of a material. X-rays Metallurgical microscope Optical microscope Visual inspection by naked eye X-rays Metallurgical microscope Optical microscope Visual inspection by naked eye ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties High strength to weight ratio ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 500 900 1100 750 500 900 1100 750 ANSWER DOWNLOAD EXAMIANS APP