Chemical Engineering - Chemical Engineering Basics

1. 

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?

A. Zirconia
B. Alumina
C. Bakelite
D. Tungsten carbide

Answer: Option D

Explanation:

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2. 

Enzymes belong to the category of

A. proteins
B. carbohydrates
C. vitamins
D. fats

Answer: Option A

Explanation:

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3. 

What is the value of included angle of a triangular notch for maximum discharge ?

A. 30°
B. 60°
C. 90°
D. 120°

Answer: Option C

Explanation:

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4. 

For separating small pieces of metal from engine oil of a car, the best separating technique is the

A. chromatography
B. evaporation
C. filtration
D. fractional distillation

Answer: Option C

Explanation:

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5. 

Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional to

A.
B.
C.
D.

Answer: Option B

Explanation:

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