Isentropic compression is compression process without friction
This assumption is to make easier in thermodynamic calculation
Differential Entrophy is to show there is energy loss because of friction
Isentropic compression makes pressure and temperature higher but same entrophy
Agree?
Reciprocating engine characteristic :
1. Higher speed, higher flow and vice versa
2. Higher speed, higher frition and temperature in cylinder
3. Higher speed, higher power
Preventive Maintenance adalah suatu bentuk Maintenance untuk mencegah kerusakan sebelum terjadinya kerusakan tsb dgn prinsip “time-based”. Time based maksudnya adalah jangka waktu tertentu, jadi maintenance jenis ini adalah melakukan service rutin dlm jangka waktu tertentu misalnya setiap 100 jam, 1000 jam atau 10.000 jam sesuai rekomendasi dari manufaktur.
Jadi…. apakah anda sudah melakukan preventive maintanance pada motor/mobila and??? jika belum ..segera lakukan
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