Chemical Engineering Basics Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Molybdenun, tungsten & chromium Cobalt, chromium & nickel Cobalt, zirconium & molybdenum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Isotropic materials have the same __________ in all directions. Elastic properties Density Thermal properties Induced stresses Elastic properties Density Thermal properties Induced stresses ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 25/2 21/3 23/2 23 25/2 21/3 23/2 23 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. 2400 3000 1800 2000 2400 3000 1800 2000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. None of these Hexagonal close packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) None of these Hexagonal close packed (hcp) Body centred cubic (bcc) Face centred cubic (fcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression None of these Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression Pressure after compression to that before compression None of these ANSWER DOWNLOAD EXAMIANS APP
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