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Chemical Engineering Basics

Chemical Engineering Basics
In a casting, cold shut defect is caused by

Very low mould permeability
Low pounhg temperature
Melt-mould reactions
Faulty gating system

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

Mach number
Specific weight
Density
Viscosity

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Chemical Engineering Basics
During sensible cooling of air, its wet bulb temperature

Increases & the dew point decreases
Decreases & the dew point increases
Decreases but dew point remains constant
Increases but dew point remains constant

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Chemical Engineering Basics
Laser welding is widely employed in the __________ industries.

Heavy
Electronic
Process
Structural

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Chemical Engineering Basics
The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called

Impact strength
Ductility
Resilience
Toughness

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Chemical Engineering Basics
Surface tension is due to the __________ forces.

Difference between adhesive & cohesive
Adhesive
Cohesive
Viscous

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