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Chemical Engineering Basics

Chemical Engineering Basics
__________ is not a heat treatment process.

Cyaniding
Martempering
Austempering
Pakerising

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

Fuel injection
None of these
Spark
Hot compressed air

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Chemical Engineering Basics
Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

Cobalt, chromium & nickel
Cobalt, chromium & tungsten
Molybdenun, tungsten & chromium
Cobalt, zirconium & molybdenum

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Chemical Engineering Basics
The weight of a body at the centre of the earth is

None of these
Infinite
Same as on the surface of the earth
Zero

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Chemical Engineering Basics
On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.

Modulus of toughness
Ultimate tensile strength (UTS)
Percent elongation
Modulus of resilience

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Chemical Engineering Basics
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Semi-conductor
Conductor
Insulator
None of these

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