Chemical Engineering - Chemical Engineering Basics

26. 

The best guide to judge the general quality of water is the measurement of its

A. pH value.
B. electrical conductivity.
C. turbidity.
D. dissolved oxygen content.

Answer: Option B

Explanation:

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27. 

Wrought iron is not

A. ductile & resistant to corrosion/rusting.
B. weldable easily.
C. having uniform strength in all directions.
D. having maximum tensile strength along the lines of slag distribution.

Answer: Option C

Explanation:

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28. 

Which of the following is the largest quantum of pressure?

A. 1 kg/cm2
B. 1 bar
C. 1 atmosphere
D. 1 kilo Pascal

Answer: Option C

Explanation:

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29. 

Which of the following is not a charge material for cupola ?

A. Limestone
B. Iron scrap
C. Iron ore
D. Pig iron

Answer: Option C

Explanation:

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30. 

Which of the following is an undesirable property of slag produced during the pyrometallurgical method of metal extraction from its ore ?

A. High fusibility & fluidity.
B. High thermal conductivity.
C. Low density.
D. High chemical activity.

Answer: Option B

Explanation:

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