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Chemical Engineering Basics

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

Spark
None of these
Fuel injection
Hot compressed air

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Chemical Engineering Basics
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

100
None of these
50

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Chemical Engineering Basics
Filler material used in welding having the lowest melting point out of the following is

Silver solder
Soft solder
Brazing spelter
Aluminium

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Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Dry air
Moisture
Sunlight
Pure oxygen

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Chemical Engineering Basics
Creep consideration is the most important in case of the

Cast iron pipes
Cycle chains
Blades of gas turbines
Steam engine flywheel

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Chemical Engineering Basics
__________ is the most important element, which controls the physical properties of steel.

Vanadium
Manganese
Carbon
Silicon

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