Chemical Engineering - Chemical Engineering Basics

46. 

The maximum axial compression stress during cold upsetting of a cylinderical rod of radius (r) occurs at

A. the outer edge of the rod.
B. r/3 from the centre.
C. r/2 from the centre.
D. the centre.

Answer: Option D

Explanation:

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47. 

Electrode potential is not concerned with the measurment of

A. pH value
B. temperature
C. viscosity
D. density

Answer: Option B

Explanation:

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48. 

__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

A. Packed
B. Bubble
C. Spray
D. Tray

Answer: Option C

Explanation:

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49. 

Tungsten in high speed steel is responsible for its

A. toughness & wear resistance
B. cold hardness
C. hot hardness
D. sharp cutting edge

Answer: Option C

Explanation:

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