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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

Iron ore
Coke
Limestone
Sinter

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

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

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Chemical Engineering Basics
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Decreases & increases
Decreases & decreases
Increases & decreases
Increases & increases

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Chemical Engineering Basics
Load cells used for the measurement of weight has

Compact & rugged construction with an accuracy of 0.1 to 1%
Provision of thermal compensation and is hermetically sealed
No moving parts and incurs negligible deflection under load
All of these

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Chemical Engineering Basics
What is the value of included angle of a triangular notch for maximum discharge ?

120°
30°
60°
90°

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Chemical Engineering Basics
Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

959
723
1493
1147

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