Chemical Engineering - Chemical Engineering Basics

31. 

Ammonia leakage in the refrigeration system is detected by

A. sulphur stick, which on detection gives white smoke.
B. using chemical reagents.
C. its smell.
D. soap solution.

Answer: Option A

Explanation:

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32. 

Fibre glass is a composite material of

A. glass fibre in a polymer matrix.
B. glass fibre in a metallic matrix.
C. polymer fibre in a glassy matrix.
D. both 'b' & 'c'.

Answer: Option A

Explanation:

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33. 

According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

A. 180°
B. 212°
C. 32°
D. 273°

Answer: Option A

Explanation:

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34. 

Maximum consumption of limestone is in the __________ industry.

A. iron and steel
B. cement
C. glass
D. fertiliser

Answer: Option D

Explanation:

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35. 

Austenite is not

A. ductile
B. malleable
C. magnetic
D. soft

Answer: Option C

Explanation:

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