Chemical Engineering - Chemical Engineering Basics

21. 

The routing function in a production system design is concerned with the

A. material flow optimisation through the plant.
B. machine utilisation.
C. quality control of the product.
D. manpower utilisation.

Answer: Option B

Explanation:

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22. 

Filler material used in welding having the lowest melting point out of the following is

A. aluminium
B. soft solder
C. silver solder
D. brazing spelter

Answer: Option B

Explanation:

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23. 

Which of the following has the highest density and the lowest melting point ?

A. Stainless steel
B. Titanium
C. Lead
D. Aluminium

Answer: Option C

Explanation:

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24. 

Electrolytes conduct electric current by

A. the movement of ions.
B. the movement of molecules.
C. allowing electrons to flow through them from cathode to anode.
D. movement of electric charge through them.

Answer: Option A

Explanation:

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25. 

To improve the machinability of steel by its softening, it is subjected to

A. cold working
B. annealing
C. shot blasting
D. heating

Answer: Option C

Explanation:

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