Chemical Engineering Basics
Consideration of the creep is the most important in case of the

Cycle chain
Blades of gas turbine
Flywheel of steam engine
Piston of an I. C. engine

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Chemical Engineering Basics
In extrusion of metals, which of the following statement is true ?

Redundant work is a function of the die angle
Relative motion between the billet surface and the container wall is always present
Speed of the extruded material is same as that of ram speed
Hollow ram is used for indirect extrusion

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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
Pressure after compression to that before compression
Volume of air in cylinder before compression to that after compression
None of these

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