Answer:
See Explanation
Explanation:
Locomotives with 4 leading wheels, 6 driving wheels and 2 trailing wheels knowns as "Pacific" type locomotives.
The statements regarding the refrigeration system as expressed by the technicians are correct. Hence, the correct statement is Option c.
<h3>What is a refrigeration system?</h3>
Refrigeration systems are a crucial process in the industry and home applications as they carry out cooling or keep the room temperature at a preferred value.
The missing information in the question is:
A.technician A only
B.technician B only
C.both A and B
D.neither A or B
Hence, The statements regarding the refrigeration system as expressed by the technicians are correct. the correct statement is Option c.
Learn more about Refrigeration systems:
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Answer:
Change in entropy S = 0.061
Second law of thermodynamics is satisfied since there is an increase in entropy
Explanation:
Heat Q = 300 kW
T2 = 24°C = 297 K
T1 = 7°C = 280 K
Change in entropy =
S = Q(1/T1 - 1/T2)
= 300(1/280 - 1/297) = 0.061
There is a positive increase in entropy so the second law is satisfied.