Chemical Engineering Basics Air refrigeration cycle is used in the air crafts, because of Its higher co-efficient of performance (COP) Its high heat transfer rate Low temperature encountered at high altitude Its low unit weight per ton of refrigeration Its higher co-efficient of performance (COP) Its high heat transfer rate Low temperature encountered at high altitude Its low unit weight per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Cold chiesel & hammers are made of Mild steel Forged steel High speed steel High carbon steel Mild steel Forged steel High speed steel High carbon steel 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. Equal to 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Deformation band is absent in materials having __________ lattice crystal structure. Bcc Fcc Hcp None of these Bcc Fcc Hcp None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C. 1800 3000 2000 2400 1800 3000 2000 2400 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Grain hardness is measured by the __________ hardness testing method. Rockwell F Shore sceleroscope Vicker's Knoop Rockwell F Shore sceleroscope Vicker's Knoop ANSWER DOWNLOAD EXAMIANS APP