Chemical Engineering Basics Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to Bainite Sorbite Troostite Martensite Bainite Sorbite Troostite Martensite ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be 240000 J 90000 J 30000 J 60000 J 240000 J 90000 J 30000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight 3 1.5 7 5 3 1.5 7 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. Either A, B or C; depends on the size of atom Greater than Less than Equal to Either A, B or C; depends on the size of atom Greater than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The velocity of sound in air is independent of changes in its None of these Pressure Temperature Humidity None of these Pressure Temperature Humidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxyacetylene reducing flame is used while carrying out welding on Grey cast iron Alloy steel Mild steel High carbon steel Grey cast iron Alloy steel Mild steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP