Chemical Engineering - Chemical Engineering Basics

26. 

__________ property of steel increases by addition of large amount of silicon in it.

A. Mechanical
B. Machining
C. Magnetic
D. Refractory

Answer: Option C

Explanation:

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27. 

__________ stress can not be sustained by a fluid in equilibrium.

A. Shear
B. Tensile
C. Compressive
D. none of these

Answer: Option A

Explanation:

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28. 

__________ test can be termed as the semi-distructive test.

A. Impact
B. Torsion
C. Hardness
D. Charpy

Answer: Option C

Explanation:

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29. 

Uniform ramming of sand in green sand moulding process leads to

A. reduced chance of gas porosity.
B. greater dimensional stability of the casting.
C. uniform flow of molten metal into the mould cavity.
D. less sand expansion type of casting defect.

Answer: Option B

Explanation:

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30. 

The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

A. Silicon
B. Carbon
C. Phosphorous
D. Chromium

Answer: Option B

Explanation:

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