Chemical Engineering - Chemical Engineering Basics

31. 

The magnitude of water hammer caused in pipe flow is independent of the

A. pipe length.
B. fluid flow stoppage rate.
C. fluid temperature.
D. time of valve closure.

Answer: Option C

Explanation:

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32. 

A metalloid possesses the characteristics of both the metals and non-metals. Which of the following is not a metalloid ?

A. Arsenic
B. Antimony
C. Lead
D. none of these

Answer: Option C

Explanation:

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33. 

No cutting fluid is normally used, while machining

A. cast iron
B. aluminium
C. mild steel
D. stainless steel

Answer: Option A

Explanation:

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34. 

Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution

A. A1 is more alkaline than solution A2.
B. A1 is highly acidic.
C. A2 is very slightly acidic.
D. both(b) & (c).

Answer: Option D

Explanation:

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35. 

Which of the following is a disaccharide?

A. Lactose
B. Starch
C. Cellulose
D. Fructose

Answer: Option A

Explanation:

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