Chemical Engineering Basics Compression ratio of an I.C. engine is the ratio of the None of these Pressure after compression to that before compression Clearance volume to the volume swept by piston per stroke Volume of air in cylinder before compression to that after compression None of these Pressure after compression to that before compression 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 Brinell Hardness Number (BHN) for talc is approximately in the range of 200-250 20-30 1-5 100-150 200-250 20-30 1-5 100-150 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called Toughness Impact strength Ductility Resilience Toughness Impact strength Ductility Resilience ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Pick out the wrong statement. If the net positive suction head (NPSH) requirement of a pump is not satisfied, then It will not develop sufficient head to raise water It will deliver low discharge of liquid It will be cavitated Its efficiency will not be affected It will not develop sufficient head to raise water It will deliver low discharge of liquid It will be cavitated Its efficiency will not be affected 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 Increases & decreases Decreases & increases Increases & increases Decreases & decreases Increases & decreases Decreases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Sub zero treatment of steel is done to Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
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