Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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91.
Out of the following, the most ductile material is

A. Mild steel

B. Copper

C. Nickel

D. Aluminium

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92.
With increase in temperature, the surface tension of water

A. Increases

B. Decreases

C. Remains constant

D. Increases linearly

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93.
Two solutions A₁ & A₂ have pH value of 2 & 6 respectively. It implies that the solution

A. A₁ is more alkaline than solution A₂

B. A₁ is highly acidic

C. A₂ is very slightly acidic

D. Both (B) and (C)

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94.
The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

A. Full annealing

B. Bright annealing

C. Patenting

D. None of these

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95.
Compression ratio of an I.C. engine is the ratio of the

A. Clearance volume to the volume swept by piston per stroke

B. Volume of air in cylinder before compression to that after compression

C. Pressure after compression to that before compression

D. None of these

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96.
Lead is added to 60:40 brass primarily to improve

A. Machinability

B. Corrosion resistance

C. Fluidity

D. Strength

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97.
Specific __________ is a dimensionless quantity.

A. Heat

B. Humidity

C. Weight

D. None of these

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98.
The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

A. Equal to

B. Greater than

C. Less than

D. Either A, B or C; depends on the size of atom

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99.
Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature.

A. Increases

B. Decreases

C. Shows inversion of solubility

D. None of these

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100.
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

A. Hexagonal close, packed (hcp)

B. Face centred cubic (fcc)

C. Body centred cubic (bcc)

D. Simple cubic

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

91. Out of the following, the most ductile material is

Answer & Solution

92. With increase in temperature, the surface tension of water

Answer & Solution

93. Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution

Answer & Solution

94. The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Answer & Solution

95. Compression ratio of an I.C. engine is the ratio of the

Answer & Solution

96. Lead is added to 60:40 brass primarily to improve

Answer & Solution

97. Specific __________ is a dimensionless quantity.

Answer & Solution

98. The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

Answer & Solution

99. Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)2 __________ with increasing temperature.

Answer & Solution

100. Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

Answer & Solution

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91.
Out of the following, the most ductile material is

92.
With increase in temperature, the surface tension of water

93.
Two solutions A₁ & A₂ have pH value of 2 & 6 respectively. It implies that the solution

94.
The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

95.
Compression ratio of an I.C. engine is the ratio of the

96.
Lead is added to 60:40 brass primarily to improve

97.
Specific __________ is a dimensionless quantity.

98.
The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void.

99.
Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature.

100.
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.