Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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61.
Maximum permissible sulphur content in steel is __________ percent.

A. 0.015

B. 0.055

C. 0.505

D. 0.805

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62.
Prandtl mixing length in turbulent flow signifies the

A. Average distance perpendicular to the mean flow covered by the mixing particles

B. Wavelength corresponding to the lowest frequency present in the flow field

C. Ratio of mean free path to characteristic length of the flow field

D. Magnitude of turbulent kinetic energy

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63.
__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

A. Vaneering

B. Galvanising

C. Electroplating

D. Calorising

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64.
The concentration of (H⁺) ions is 4 × 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6 )

A. 4.4

B. 5.6

C. 8.4

D. 2.4

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65.
Maxwell's thermodynamic relations applies to the

A. Chemical systems in equilibrium

B. Mechanical systems in equilibrium

C. Irreversible thermodynamic processes

D. Reversible thermodynamic processes

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66.
Which of the following is not found in iron-carbon equilibrium diagram?

A. Curie point

B. Peritectic point

C. Eutectic point

D. Eutectoid point

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67.
Heating of an ore below its melting point in presence of excess of air is called

A. Calcination

B. Smelting

C. Roasting

D. Sublimation

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68.
Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are

A. Nickel, cobalt & chromium

B. Tungsten, chromium & cobalt

C. Manganese, chromium & cobalt

D. Tungsten, molybdenum & nickel

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69.
When the weight of a ball inside the ball mill is just balanced by the centrifugal force,

A. The ball abandons its circular path for a parabolic path

B. The ball abandans its parabolic path for a circular path

C. The ball continues to move on a circular path

D. The ball continues to move on a parabolic path

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70.
Electrode potential is not concerned with the measurment of

A. pH value

B. Temperature

C. Viscosity

D. Density

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

61. Maximum permissible sulphur content in steel is __________ percent.

Answer & Solution

62. Prandtl mixing length in turbulent flow signifies the

Answer & Solution

63. __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

Answer & Solution

64. The concentration of (H+) ions is 4 × 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6 )

Answer & Solution

65. Maxwell's thermodynamic relations applies to the

Answer & Solution

66. Which of the following is not found in iron-carbon equilibrium diagram?

Answer & Solution

67. Heating of an ore below its melting point in presence of excess of air is called

Answer & Solution

68. Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are

Answer & Solution

69. When the weight of a ball inside the ball mill is just balanced by the centrifugal force,

Answer & Solution

70. Electrode potential is not concerned with the measurment of

Answer & Solution

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61.
Maximum permissible sulphur content in steel is __________ percent.

62.
Prandtl mixing length in turbulent flow signifies the

63.
__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

64.
The concentration of (H⁺) ions is 4 × 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6 )

65.
Maxwell's thermodynamic relations applies to the

66.
Which of the following is not found in iron-carbon equilibrium diagram?

67.
Heating of an ore below its melting point in presence of excess of air is called

68.
Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are

69.
When the weight of a ball inside the ball mill is just balanced by the centrifugal force,

70.
Electrode potential is not concerned with the measurment of