During the opening of a valve in a pipe line, the flow is________?
Alaminar
Bfree vortex type
Cunsteady
D
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Correct answer
C. unsteady
Explanation
The correct answer is unsteady.
Correct answer
A. adiabatic compression
Explanation
The correct answer is adiabatic compression.
Correct answer
A. 100°C
Explanation
The correct answer is 100°C.
Correct answer
B. separate ash from coal
Explanation
The correct answer is separate ash from coal.
Correct answer
D. ferrite and cementite
Explanation
The correct answer is ferrite and cementite.
Correct answer
A. normal time + allowances
Explanation
The correct answer is normal time + allowances.
Correct answer
C. 421 kgm
Explanation
The correct answer is 421 kgm.
Correct answer
A. none of the above
Explanation
The correct answer is none of the above.
Correct answer
B. closed cycle
Explanation
The correct answer is closed cycle.