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Chemical Engineering Basics

Chemical Engineering Basics
Ignition of fuel in a diesel engine is by

Spark
Fuel injection
None of these
Hot compressed air

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Chemical Engineering Basics
For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

Enthalpy-pressure
Enthalpy - entropy
Temperature - entropy
Temperature - pressure

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Chemical Engineering Basics
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.

None of these
Casting
Forging
Powder metallurgy

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

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

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Chemical Engineering Basics
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Acid
Emulsion
Saponification
Precipitation

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Chemical Engineering Basics
Out of the following, the joint produced by __________ has the lowest strength.

Soldering
Brazing
Welding
Rivetting

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