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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

Learn Chemical Engineering Basics MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Chemical Engineering Basics MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-10 section-1

Each section contains 100 MCQs on Chemical Engineering Basics .
91
Steel produced from phosphatic iron is __________ in nature.
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Answer & Solution
Answer: Option C
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92
Swaging is a/an __________ operation.
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Answer & Solution
Answer: Option B
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93
Thermal efficiency of an internal combustion engine is around __________ percent.
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Answer & Solution
Answer: Option B
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94
Pick out the wrong statement
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Answer & Solution
Answer: Option C
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95
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.
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Answer & Solution
Answer: Option B
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96
The phenomenon of strain-ageing is generally experienced with
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Answer & Solution
Answer: Option B
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97
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?
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Answer & Solution
Answer: Option C
Solution:
Rubber is the most elastic material among the options provided. A highly elastic material deforms the least on loading and retains its original form on removal of the load. Rubber exhibits high elasticity due to its molecular structure, which allows it to undergo significant deformation under stress and return to its original shape once the stress is removed.

Steel is a strong material but not as elastic as rubber. It exhibits more plastic deformation under stress, meaning it retains some of the deformed shape even after the load is removed.

Glass is brittle and exhibits minimal elasticity. It fractures easily under stress and does not return to its original shape once deformed.

Brass is a metal alloy that is ductile but not as elastic as rubber. It deforms plastically under stress and does not regain its original shape completely upon load removal.

Therefore, Option C: Rubber is the most elastic material among the given options.
98
Which of the following phenomenon/ phenomena is/are diffusion controlled ?
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Answer & Solution
Answer: Option D
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99
On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.
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Answer & Solution
Answer: Option B
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100
With increase in steam pressure, its specific volume decreases
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Answer & Solution
Answer: Option A
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