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Chemical Engineering Basics

Chemical Engineering Basics
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

2000
1800
2400
3000

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Chemical Engineering Basics
The stress at which a metal fails by fatigue lies

In the plastic range
None of these
Near the fracture point of the stress-strain curve
In the elastic range

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Chemical Engineering Basics
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Glass
Rubber
Steel
Brass

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

Structural
Heavy
Process
Electronic

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

Dew point
None of these
Wet bulb
Dry bulb

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Chemical Engineering Basics
Thermal efficiency of an internal combustion engine is around __________ percent.

80
35
65
8

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