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Chemical Engineering Basics

Chemical Engineering Basics
A jig is used while __________ a hole.

Counter boring
Enlarging
Drilling
Boring

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Chemical Engineering Basics
Out of the following, the dimensionless quantity is

Mach number
Density
Viscosity
Specific weight

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Chemical Engineering Basics
Sub zero treatment of steel is done to

Reduce the retained austenite in hardened steel
Induce temper brittleness after its hardening
Enhance its working performance in sub zero atmosphere
Suppress martensite transformation

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Chemical Engineering Basics
For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

Combustion is at constant volume
Maximum temperature is higher
Heat rejection is lower
Expansion & compression are isentropic

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Chemical Engineering Basics
A compact estimate about the amount of materials handling between various work stations is obtained from the

Travel chart
Gantt chart
Bin chart
String diagram

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Chemical Engineering Basics
__________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength.

Spinning
Lancing
Shot peening
Slugging

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