Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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91.
Which of the following gases cause global warming?

A. Carbon monoxide

B. Carbon dioxide

C. Nitrogen

D. Ozone

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92.
Principal alloying element in Elinvar (used for making hair springs for watches) is

A. Copper

B. Aluminium

C. Nickel

D. Zinc

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93.
The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A. Cyaniding

B. Sheardising

C. Spherodising

D. None of these

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94.
The life of a ball bearing is inversely proportional to

A. (load)¹

B. (load)²

C. (load)³

D. (load)^0.33

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95.
Boiler rating is normally done in terms of

A. Steam temperature & pressure

B. Steam output (tons/hr)

C. Heat transfer rate (kcal/hr)

D. Heat transfer area (m²)

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96.
Which of the following is not an ore of aluminium?

A. Troosite

B. Kaolin

C. Alunite

D. Cryolite

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97.
Which of the following is not an ore of aluminium?

A. Troosite

B. Kaolin

C. Alunite

D. Cryolite

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98.
Matte smelting is used in the extraction of

A. Lead

B. Zinc

C. Aluminium

D. Copper

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99.
Which of the following material handling equipments is not suitable for moving materials in varying paths?

A. Hand trolley

B. Belt conveyor

C. Crane

D. Truck

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100.
Earing is a defect found in steels after the following metal working operation (s).

A. Deep drawing

B. Rolling

C. Extrusion

D. Wire drawing

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

91. Which of the following gases cause global warming?

Answer & Solution

92. Principal alloying element in Elinvar (used for making hair springs for watches) is

Answer & Solution

93. The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

Answer & Solution

94. The life of a ball bearing is inversely proportional to

Answer & Solution

95. Boiler rating is normally done in terms of

Answer & Solution

96. Which of the following is not an ore of aluminium?

Answer & Solution

97. Which of the following is not an ore of aluminium?

Answer & Solution

98. Matte smelting is used in the extraction of

Answer & Solution

99. Which of the following material handling equipments is not suitable for moving materials in varying paths?

Answer & Solution

100. Earing is a defect found in steels after the following metal working operation (s).

Answer & Solution

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91.
Which of the following gases cause global warming?

92.
Principal alloying element in Elinvar (used for making hair springs for watches) is

93.
The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

94.
The life of a ball bearing is inversely proportional to

95.
Boiler rating is normally done in terms of

96.
Which of the following is not an ore of aluminium?

97.
Which of the following is not an ore of aluminium?

98.
Matte smelting is used in the extraction of

99.
Which of the following material handling equipments is not suitable for moving materials in varying paths?

100.
Earing is a defect found in steels after the following metal working operation (s).