Chemical Engineering - Chemical Engineering Basics

41. 

Boiler tube size is specified by its thickness and __________ diameter.

A. outside
B. inside
C. mean
D. none of these

Answer: Option A

Explanation:

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42. 

Break even point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

A. only.
B. plus variable cost.
C. plus overhead cost.
D. plus selling expenses.

Answer: Option B

Explanation:

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43. 

Unit of surface tension in S.I. unit is

A. Watt/m
B. Joule/m2
C. Newton/m2
D. Joule/m

Answer: Option B

Explanation:

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44. 

The joint for soldering is supported by binding wire made of

A. mild steel
B. copper
C. soft iron
D. stainless steel

Answer: Option C

Explanation:

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45. 

The main reducing agent in iron blast furnace is

A. carbon dioxide
B. carbon monoxide
C. oxygen
D. air

Answer: Option B

Explanation:

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