Chemical Engineering Basics The stress at which a metal fails by fatigue lies Near the fracture point of the stress-strain curve In the elastic range None of these In the plastic range Near the fracture point of the stress-strain curve In the elastic range None of these In the plastic range ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the 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 Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression 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 Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. Body centred cubic (bcc) Face centred cubic (fcc) Hexagonal close, packed (hcp) Simple cubic Body centred cubic (bcc) Face centred cubic (fcc) Hexagonal close, packed (hcp) Simple cubic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics If the head is doubled in & centrifugal pump, the power required will increase in the ratio of 23/2 25/2 23 21/3 23/2 25/2 23 21/3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is 0.44 0.25 0.33 0.44 0.25 0.33 ANSWER DOWNLOAD EXAMIANS APP
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