Peclet number (Pe) is given by
Question: Peclet number (Pe) is given by
[A].
Pe = Re.Pr
Pe = Re/Pr
Pe = Pr/Re
Pe = Nu.Re
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
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Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker.
Question: Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker.
[A].1100 [B].
1250 [C].
1350 [D].
1400 Answer: Option A
Explanation:
No answer description available for this question.
Claude process of gas liquefaction employs
Question: Claude process of gas liquefaction employs
[A].merely compression of gas beyond its critical pressure. [B].
Joule-Thomson expansion cooling. [C].
heat exchange with colder stream. [D].
adiabatic expansion against a piston or in a turbine. Answer: Option D
Explanation:
No answer description available for this question.
Isentropic process means a constant __________ process.
Question: Isentropic process means a constant __________ process.
[A].enthalpy [B].
pressure [C].
entropy . [D].
none of these Answer: Option C
Explanation:
No answer description available for this question.
Consider a reversible exothermic reaction in a plug flow reactor. The maximum and minimum permissible temperatures are Tmax and Tmin respectively. Which of the following temperature (T) profiles will require the shortest residence time to achieve the desired conversion.
Question: Consider a reversible exothermic reaction in a plug flow reactor. The maximum and minimum permissible temperatures are Tmax and Tmin respectively. Which of the following temperature (T) profiles will require the shortest residence time to achieve the desired conversion.
[A].[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Aluminium is extracted from
Question: Aluminium is extracted from
[A].chalcocite [B].
bauxite [C].
galena [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
Participation of __________ is involved in the occurrence of a chemical reaction.
Question: Participation of __________ is involved in the occurrence of a chemical reaction.
[A].protons [B].
neutrons [C].
electrons [D].
none of these Answer: Option C
Explanation:
No answer description available for this question.