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
Volume of air in cylinder before compression to that after compression
Clearance volume to the volume swept by piston per stroke

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Chemical Engineering Basics
Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means

Writing off the obsolete machine/ property
Disposing off machine/property, which is no longer useful in the present scenerio
Disposing off a machine/property on as is where is basis
Mortgaging the obsolete machine/property

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