Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering Page-5 section-12

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41.
__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

A. Borosilicate

B. High silica

C. Supermax

D. Lead

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42.
Which of the following is not a suitable solid lubricant?

A. Talc

B. Molybdenum disulphide

C. Graphite

D. None of these

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43.
Diamond does not conduct electricity, because

A. Its structure is very compact

B. No free electrons are present

C. It is of crystalline nature

D. There are only carbon atoms present

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44.
Which one can be directly solidified from gaseous state wihtout entering into liquid state?

A. Helium

B. Oxygen

C. Carbon dioxide

D. None of these

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45.
Failure of a material is attributed to __________ if it fails below its yield point.

A. Impact loading

B. Fatigue

C. Creep

D. Straining

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46.
Increasing sulphur content in pig iron tends to make it

A. Soft

B. Hard

C. Tough

D. Ductile & malleable

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47.
Springback in sheet metal bending depends on the

A. Elastic limit

B. Bend radius

C. Degree of bend

D. Thickness of sheet

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48.
Number of electrons in the outermost orbit of a semi-conductor is

A. 2

B. 4

C. 6

D. 8

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49.
Pick out the wrong statement about powder metallurgy technique.

A. Powder metallurgy techniques are applied at room temperature

B. Final product in powder metallurgy is not necessarily metallic powder

C. The final product in powder metallurgy is made from metallic powder

D. Silver and nickel when melted together do not mix to form an alloy ; however alloy of these constituents can be made by powder metallurgy technique

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50.
Which of the following is not used as a bearing material?

A. Copper-lead alloys

B. Babbits

C. Bronzes

D. Cermets

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

41. __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

Answer & Solution

42. Which of the following is not a suitable solid lubricant?

Answer & Solution

43. Diamond does not conduct electricity, because

Answer & Solution

44. Which one can be directly solidified from gaseous state wihtout entering into liquid state?

Answer & Solution

45. Failure of a material is attributed to __________ if it fails below its yield point.

Answer & Solution

46. Increasing sulphur content in pig iron tends to make it

Answer & Solution

47. Springback in sheet metal bending depends on the

Answer & Solution

48. Number of electrons in the outermost orbit of a semi-conductor is

Answer & Solution

49. Pick out the wrong statement about powder metallurgy technique.

Answer & Solution

50. Which of the following is not used as a bearing material?

Answer & Solution

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41.
__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

42.
Which of the following is not a suitable solid lubricant?

43.
Diamond does not conduct electricity, because

44.
Which one can be directly solidified from gaseous state wihtout entering into liquid state?

45.
Failure of a material is attributed to __________ if it fails below its yield point.

46.
Increasing sulphur content in pig iron tends to make it

47.
Springback in sheet metal bending depends on the

48.
Number of electrons in the outermost orbit of a semi-conductor is

49.
Pick out the wrong statement about powder metallurgy technique.

50.
Which of the following is not used as a bearing material?