Chemical Engineering - Chemical Engineering Basics

16. 

The bulk modulus of a material with Poisson's ratio of 0.5 is equal to

A. 3 x Young's modulus
B. Young's modulus
C. infinity
D. zero

Answer: Option C

Explanation:

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17. 

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

Answer: Option B

Explanation:

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18. 

Two stroke engine compared to a four stroke engine has

A. higher efficiency.
B. less fuel consumption.
C. higher power to weight ratio.
D. lower initial cost.

Answer: Option C

Explanation:

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19. 

Ferrites are __________ magnetic.

A. anti
B. para
C. ferri
D. ferro

Answer: Option C

Explanation:

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20. 

The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution.

A. power of hydrogen ion concentration
B. percentage of hydrogen ions
C. presence of hydrogen ions
D. none of these

Answer: Option A

Explanation:

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