(3)A piston-cylinder device contains nitrogen that is initially at 105 kPa, 52°C, and 3.6 m³. The nitrogen is now compressed in a polytropic process (PV"=C), with n=1.19, to 560 kPa. The magnitude of the work done during this process is: (а) 610 kJ (b) 620 kJ (с) 630 kJ (d) 640 kJ (е) 650 kJ

(3)A piston-cylinder device contains nitrogen that is initially at 105 kPa, 52°C, and 3.6 m³. The nitrogen is now compressed in a polytropic process (PV"=C), with n=1.19, to 560 kPa. The magnitude of the work done during this process is: (а) 610 kJ (b) 620 kJ (с) 630 kJ (d) 640 kJ (е) 650 kJ

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

(3)A piston-cylinder device contains nitrogen that is initially at 105 kPa, 52°C,
and 3.6 m³. The nitrogen is now compressed in a polytropic process (PV"=C),
with n=1.19, to 560 kPa. The magnitude of the work done during this process
is:
(а) 610 kJ
(b) 620 kJ
(с) 630 kJ
(d) 640 kJ
(е) 650 kJ

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