Chemical Engineering Basics Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. 1147 959 723 1493 1147 959 723 1493 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Frost formation on the evaporator tubes in the domestic refrigerators Causes heat loss due to poor heat transfer Can be prevented by proper design Is immaterial Decreased compressor power Causes heat loss due to poor heat transfer Can be prevented by proper design Is immaterial Decreased compressor power ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics First empirical temperature scale conceived is the __________ temperature scale. Absolute Celcius Farenhite Reaumer Absolute Celcius Farenhite Reaumer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Air standard Otto cycle is more efficient than the diesel cycle for the same Cylinder dimension & rpm Compression ratio & pressure Heat addition & pressure Heat addition & compression ratio Cylinder dimension & rpm Compression ratio & pressure Heat addition & pressure Heat addition & compression ratio ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Heat treated before use Seamless & made of steel Made by sand casting Welded steel cylinders Heat treated before use Seamless & made of steel Made by sand casting Welded steel cylinders 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 90000 J 30000 J 240000 J 60000 J 90000 J 30000 J 240000 J 60000 J ANSWER DOWNLOAD EXAMIANS APP