is called the __________ number
Question: is called the __________ number
[A].
Peclet
Stanton
Graetz
none of these
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
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For a spontaneous natural process at constant temperature and pressure, the free energy of the system always
Question: For a spontaneous natural process at constant temperature and pressure, the free energy of the system always
[A].increases. [B].
decreases. [C].
remains constant. [D].
increases to a maximum before decreasing. Answer: Option A
Explanation:
No answer description available for this question.
Gross calorific value will be equal to the net calorific value for
Question: Gross calorific value will be equal to the net calorific value for
[A].H2 [B].
C2H2 [C].
CO [D].
C2H6 Answer: Option C
Explanation:
No answer description available for this question.
In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process.
Question: In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process.
[A].isometric [B].
polytropic [C].
isentropic [D].
isobaric Answer: Option B
Explanation:
No answer description available for this question.
Green house effect is accentuated by
Question: Green house effect is accentuated by
[A].deforestation. [B].
rapid industrialisation. [C].
increased transportation activity. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?A. its internal energy (U) decreases and its entropy (S) increases
B. U and S both decreases
C. U decreases but S is constant
D. U is constant but S decreasesOperating principle of cyclone separator is based on the action of __________ dust particles.
Question: Operating principle of cyclone separator is based on the action of __________ dust particles.
[A].diffusion of [B].
centrifugal force on [C].
gravitational force on [D].
electrostatic force on Answer: Option B
Explanation:
No answer description available for this question.