Chemical Engineering - Chemical Engineering Basics

46. 

An atom bomb works on the principle of

A. nuclear fission
B. nuclear fusion
C. both the nuclear fission & fusion
D. ionisation

Answer: Option A

Explanation:

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47. 

Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

A. 723
B. 959
C. 1147
D. 1493

Answer: Option A

Explanation:

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48. 

Which of the following is an example of stress corrosion ?

A. Season cracking of brass.
B. Caustic embrittlement of steel.
C. Both (a) & (b).
D. Neither (a) nor (b).

Answer: Option C

Explanation:

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49. 

FeO (s) + CO (g) = Fe (s) + CO2 (g), k = 0. 435 at 1173E; At equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K?

A. 1.0
B. 1.3
C. 2.3
D. 3.3

Answer: Option D

Explanation:

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50. 

Fibre reinforced plastic (FRP) are

A. made of glass fibre and thermoplastic resins.
B. anisotropic.
C. made of thermosetting resin and glass fibre.
D. both 'b' & 'c'

Answer: Option D

Explanation:

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