Oxygen percentage (by weight) in atmospheric air is
Question: Oxygen percentage (by weight) in atmospheric air is
[A].
19
21
23
29
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Similar Posts
Partial molar free energy of an element A in solution is same as its
Question: Partial molar free energy of an element A in solution is same as its
[A].chemical potential [B].
activity [C].
fugacity [D].
activity co-efficient Answer: Option A
Explanation:
No answer description available for this question.
Which of the following is not applicable to fluidised bed combustion of coal ?
Which of the following is not applicable to fluidised bed combustion of coal ?A. It cannot burn low grade coal
B. It achieves higher fuel combustion efficiency
C. Less heat transfer surface area is required in boilers
D. None of theseFunction of blow down valve in a boiler is to
Question: Function of blow down valve in a boiler is to
[A].maintain the drum level. [B].
keep the drum pressure constant. [C].
drain out the sludge from the drum. [D].
empty the boiler during shutdown. Answer: Option C
Explanation:
No answer description available for this question.
Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
Question: Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
[A].straight line [B].
sine curve [C].
parabola [D].
hyperbola Answer: Option A
Explanation:
No answer description available for this question.
Multiple effect evaporation is generally recommended, when the
Question: Multiple effect evaporation is generally recommended, when the
[A].large scale evaporation of liquor is needed. [B].
corrosive liquids are to be concentrated. [C].
fuel is cheaply available. [D].
evaporation on small scale is to be done. Answer: Option A
Explanation:
No answer description available for this question.
The caking of crystals can be prevented by
Question: The caking of crystals can be prevented by
[A].maintaining high critical humidity. [B].
maintaining low critical humidity. [C].
coating the product with inert material. [D].
both (a) and (c) Answer: Option D
Explanation:
No answer description available for this question.