Chemical Engineering Basics Alloys having more than 80% copper are generally more Abrasion resistant Corrosion resistant Prone to season cracking Machinable Abrasion resistant Corrosion resistant Prone to season cracking Machinable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 5CaO . 3 Al2O₃ 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 3CaO . Al2O₃ 2CaO . SiO₂ 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 & compression ratio Heat addition & pressure Cylinder dimension & rpm Compression ratio & pressure Heat addition & compression ratio Heat addition & pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In radiative heat transfer, a grey surface is the one, which has Emissivity independent of wavelength Zero reflectivity Grey appearance to the eye Equal brightness in all directions Emissivity independent of wavelength Zero reflectivity Grey appearance to the eye Equal brightness in all directions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Out of the following, the most ductile material is Nickel Mild steel Aluminium Copper Nickel Mild steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP