Na2CO3 is called
Question: Na2CO3 is called
[A].
washing soda
soda ash
plaster of paris
calcite
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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Which of the following phenomenon will exhibit the minimum heat transfer?
Question: Which of the following phenomenon will exhibit the minimum heat transfer?
[A].Boiling. [B].
Forced convection in air. [C].
Free convection in air. [D].
Conduction in air. Answer: Option D
Explanation:
No answer description available for this question.
In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
Question: In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
[A].concentrations [B].
chemical potentials [C].
activity co-efficients [D].
mass transfer co-efficients Answer: Option A
Explanation:
No answer description available for this question.
Naphtha in a fertiliser plant is used as a source of
Question: Naphtha in a fertiliser plant is used as a source of
[A].fuel [B].
H2 [C].
N2 [D].
O2 Answer: Option B
Explanation:
No answer description available for this question.
Deficiency of combustion air during combustion of a gaseous fuel
Question: Deficiency of combustion air during combustion of a gaseous fuel
[A].lengthens the flame. [B].
causes heat loss of fuel by its partial combustion. [C].
both (a) & (b). [D].
shortens the flame. Answer: Option C
Explanation:
No answer description available for this question.
Combustion reaction of fuels is a/an __________ reaction.
Question: Combustion reaction of fuels is a/an __________ reaction.
[A].auto catalytic [B].
exothermic [C].
endothermic [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
In an ordinary chemical plant, electrical installation cost may be about
Question: In an ordinary chemical plant, electrical installation cost may be about
[A].10-15% of purchased equipment cost. [B].
3-10% of fixed capital investment. [C].
either (a) or (b). [D].
neither (a) nor (b). Answer: Option C
Explanation:
No answer description available for this question.