Chemical Engineering - Chemical Engineering Basics

26. 

The underground well of a biogas plant is called the

A. septic tank
B. oxidation well
C. digestor
D. lagoon

Answer: Option C

Explanation:

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27. 

Use of water as a manometric liquid suffers from the disadvantage of its

A. low vapour pressure.
B. corrosive nature.
C. high vapour pressure.
D. high boiling point.

Answer: Option C

Explanation:

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28. 

The following thermocouple may be used for measuring temperature upto 1873°K.

A. Chromel-alumel
B. Copper-constantan
C. Platinum-platinum rhodium
D. Iron-constatan

Answer: Option C

Explanation:

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29. 

Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.

A. Joule
B. Carnot
C. Rankine
D. Brayton

Answer: Option C

Explanation:

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30. 

Closeness of packing is maximum in case of __________ crystal lattice.

A. face centred
B. simple cubic
C. body centred
D. none of these

Answer: Option A

Explanation:

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