Chemical Engineering - Chemical Engineering Basics

11. 

Ganister contains maximum percentage of

A. FeO
B. SiO2
C. MgO
D. MnO2

Answer: Option B

Explanation:

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12. 

Nitrogen is not an essential component of

A. protein
B. urea
C. oils & fats
D. any of these

Answer: Option C

Explanation:

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13. 

In inventory control theory, the economic order quantity (EOQ) is the

A. lot size corresponding to break even analysis.
B. average level of inventory.
C. optimum lot size.
D. none of these.

Answer: Option C

Explanation:

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14. 

The main charge in blast furnace is usually

A. iron ore & coke.
B. iron ore, coke & air.
C. limestone, coke & iron ore.
D. limestone, sand & iron ore.

Answer: Option C

Explanation:

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15. 

The atmospheric temperature during melting of ice/snow (in the atmosphere)

A. decreases
B. increases
C. remains same
D. may increase or decrease ; depends on the altitude where snow melts

Answer: Option A

Explanation:

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